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CFX-5 Reference Guide • Introduction to CFD • CFX Expression Language • Import Mesh API • CFX-Pre CCL Details • CFX-Post CCL Details • Frequently Asked Questions • Bibliography • Master Index
Introduction to CFD • Introduction to Computational Fluid Dynamics p. 24 • Further Background Reading p. 30
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Introduction to Computational Fluid Dynamics What is Computational Fluid Dynamics? Computational Fluid Dynamics (CFD) is a computer-based tool for simulating the behaviour of systems involving fluid flow, heat transfer and other related physical processes. It works by solving the equations of fluid flow (in a special form) over a region of interest, with specified (known) conditions on the boundary of that region.
The History of CFD Computers have been used to solve fluid flow problems for many years. Numerous programs have been written to solve either specific problems, or specific classes of problem. From the mid-1970’s the complex mathematics required to generalise the algorithms began to be understood, and general purpose CFD solvers were developed. These began to appear in the early 1980’s and required what were then very powerful computers, as well as an in-depth knowledge of fluid dynamics, and large amounts of time to set up simulations. Consequently CFD was a tool used almost exclusively in research. Recent advances in computing power, together with powerful graphics and interactive 3-D manipulation of models mean that the process of creating a CFD model and analysing the results is much less labour-intensive, reducing the time and therefore the cost. Advanced solvers contain algorithms which enable robust solution of the flow field in a reasonable time. As a result of these factors, Computational Fluid Dynamics is now an established industrial design tool, helping to reduce design timescales and improving processes throughout the engineering world. CFD provides a cost-effective and accurate alternative to scale model testing, with variations on the simulation being performed quickly, offering obvious advantages.
The Mathematics of CFD The set of equations which describe the processes of momentum, heat and mass transfer are known as the Navier-Stokes equations. These are partial differential equations which were derived in the early nineteenth century. They have no known general analytical solution but can be discretised and solved numerically. Page 24
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Equations describing other processes, such as combustion, can also be solved in conjunction with the Navier-Stokes equations. Often, an approximating model is used to derive these additional equations, turbulence models being a particularly important example. There are a number of different solution methods which are used in CFD codes. The most common, and the one on which CFX-5 is based, is known as the finite volume technique. In this technique, the region of interest is divided into small subregions, called control volumes. The equations are discretised and solved iteratively for each control volume. As a result, an approximation of the value of each variable at specific points throughout the domain can be obtained. In this way, one derives a full picture of the behaviour of the flow. For full details on the Navier-Stokes equations and other mathematical aspects of the CFX-5 software suite see Basic Solver Capability Theory (p. 1 in Solver Theory).
Uses of CFD CFD is used by engineers and scientists in a wide range of fields. Typical applications include: • Process industry: Mixing vessels, chemical reactors • Building services: Ventilation of buildings, such as atria • Health and safety: Investigating the effects of fire and smoke • Motor industry: Combustion modelling, car aerodynamics • Electronics: Heat transfer within and around circuit boards • Environmental: Dispersion of pollutants in air or water • Power and energy: Optimisation of combustion processes • Medical: Blood flow through grafted blood vessels
CFD Methodology CFD may be used to determine the performance of a component at the design stage or it can be used to analyse difficulties with an existing component and lead to its improved design.
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For example, the pressure drop through a component may be considered excessive:
The first step is to identify the region of interest:
The geometry of the region of interest is then defined. If the geometry already exists in CAD, it can be imported directly. The mesh is then created. After importing the mesh into the pre-processor, other elements of the simulation are then defined, including the boundary conditions (inlets, outlets etc.) and fluid properties.
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The flow solver is then run to produce a file of results which contain the variation of velocity, pressure and any other variables throughout the region of interest. The results can be visualised and provide the engineer with a full understanding of the behaviour of the fluid throughout the region of interest.
This can lead to design modifications which can be tested by changing the geometry of the CFD model and seeing the effect. The process of performing a single CFD simulation is split into four components: Geometry/Mesh
Physics Definition
Solver
Post-processing
Geometry/Mesh This interactive process is the first pre-processing stage. Its aim is to produce a mesh for input to the physics pre-processor. Before a mesh can be produced, a closed geometric solid is required. The geometry and mesh can be created in CFX-Build or one of a variety of other geometry/mesh creation tools. The basic steps involve: • Defining the geometry of the region of interest. • Creating regions of fluid flow, solid regions and surface boundary names. • Setting properties for the mesh. This pre-processing stage is becoming increasingly automated. In CFX-5, geometry can be imported from most major CAD packages using native format, and the mesh of control volumes is generated automatically. CFX-5.6
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Physics Definition This interactive process is the second pre-processing stage and is used to create the input for the solver. The mesh files are loaded into the physics pre-processor, CFX-Pre, and then the following properties are defined: • The physical models which are to be included in the simulation are selected. • The properties of the fluid are specified. • The boundary conditions are specified. The Solver The solver is the component which solves the CFD problem, producing the required results. It is a non-interactive/batch process. It solves the CFD problem as follows: • The partial differential equations are integrated over all the control volumes in the region of interest. This is equivalent to applying a basic conservation law (e.g. for mass or momentum) to each control volume. • These integral equations are converted to a system of algebraic equations by generating a set of approximations for the terms in the integral equations. • The algebraic equations are solved iteratively. An iterative approach is required because of the non-linear nature of the equations and as the solution approaches the exact solution it is said to converge. For each iteration, an error, or residual, is reported as a measure of the overall conservation of the flow properties. How close the final solution is to the exact solution depends on a number of factors, including the size and shape of the control volumes and the size of the final residuals. Complex physical processes, such as combustion and turbulence are often modelled using empirical relationships, and the approximations inherent in these models also contribute to differences between the CFD solution and the real flow. The solution process requires no user interaction and is therefore usually carried out as a batch process. The solver produces a file of results which is then passed to the post-processor.
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The Post-processor The post-processor is the component used to analyse, visualise and present the results interactively. Post-processing includes anything from obtaining point values to complex animated sequences. Examples of some important features of post-processors are: • Visualisation of the geometry and control volumes. • Vector plots showing the direction and magnitude of the flow. • Visualisation of the variation of scalar variables (variables which have only magnitude, not direction, such as temperature, pressure and speed) through the domain. • Quantitative numerical calculations. • Animation • Charts showing graphical plots of variables • Hardcopy output.
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Further Background Reading A selection of books related to fluids, thermodynamics, CFD and computing are given below. • An Introduction to Computational Fluid Dynamics, The Finite Volume Method, H K Versteeg and W Malalasekera, Longman, 1995. An excellent introduction to the theory of CFD with well presented derivations of the equations. • Using Computational Fluid Dynamics, C T Shaw, Prentice Hall, 1992. An introduction to the practical aspects of using CFD. • Numerical Heat Transfer and Fluid Flow, S V Patankar, Taylor & Francis, 1980. A standard text on the details of numerical methods. • Engineering Thermodynamics, Work and Heat Transfer, G F C Rogers and Y R Mayhew, Longman, 1980. An undergraduate thermodynamics text book. • Mechanics of Fluids, B S Massey, Chapman and Hall, 1989. An undergraduate fluid mechanics text book. • Viscous Fluid Flow, F M White, McGraw Hill, 1991. An advanced text on fluid dynamics. • Perry’s Chemical Engineer’s Handbook (6th Edition), McGraw Hill, 1984. A superb reference for the physical properties of fluids. • An Album of Fluid Motion, Milton Van Dyke, The Parabolic Press, 1982. Fluid flow phenomena demonstrated in pictures. • UNIX in a Nutshell, Daniel Gilly and the staff of O’Reilly & Associates, Inc, O’Reilly & Associates, Inc, 1992. An excellent UNIX reference book. If you are unfamiliar with using the UNIX operating system or with UNIX system administration, you may like to obtain and read the following books published by O’Reilly & Associates. • Learning the UNIX Operating System by Grace Todino, John Strange and Jerry Peek. • Essential System Administration by Æleen Frisch. • A Scientist’s and Engineer’s Guide to Workstations and Supercomputers, Rubin H Landau and Paul J Fink Jr., John Wiley and Sons Inc., 1993. A clear and practical guide to powerful computers which use the UNIX operating system.
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CFX Expression Language • Introduction to CFX Expression Language (CEL) p. 10 • CEL Fundamentals p. 11 • CEL Variables, Functions and Constants p. 14 • CEL Examples p. 28 • The Expression Editor p. 32 • CEL Technical Details p. 33
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Introduction to CFX Expression Language (CEL) CEL is an interpreted, declarative language which has been developed to enable CFX-5 users to enhance their simulations without recourse to writing and linking separate external FORTRAN routines. You can use CEL expressions in CFX-Pre and CFX-Post anywhere a value is required for input. CEL can be used to: • Define material properties which depend on other variables. • Specify complex boundary conditions. • Add terms to the solved equations. You can also monitor the value of an expression during the solution using monitor points; see Monitor Points (p. 318 in CFX-Pre).
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CEL Fundamentals How CEL Interacts with the CFX-5 Solver At various points in the flow solver operation, the calculation requires information such as the rate of flow at an inlet boundary, or the viscosity in some part of the fluid. This dependence can be specified in a simple manner, but more complex dependencies may be developed by using CEL. Consider the case of flow through a pipe. You may wish to set a velocity profile at the inlet which will typically be greatest at the centre. The profile can be expressed mathematically in terms of a function of x, y and z, which are CFX-5 System Variables known to the CFX-5 Solver. The mathematical definition of the profile is called an Expression, and the value of this expression is a Term which is input to the flow solver. You can define many terms in CFX-5 by way of expressions: fluid properties, subdomain sources, boundary conditions and initial values are all CFX-5 terms which can be described using expressions. A key feature of CEL is that it is used dynamically by the CFX-5 Solver. For example, you can set viscosity to be dependent on temperature using CEL, and the current heat transfer CFD solution will be computed for this relationship.
Values and Expressions CEL can be used to generate both Values and Expressions. Values are dimensional (i.e. with units) or dimensionless constants. The simplest type of definition is the dimensionless value, for example: b = 3 .743 You can also specify a value with units, for example: g = 9.81 [m s^-2] The dimensions of the quantities of interest for CFD calculations can be written in terms of mass, length, time, temperature and angle. The concept of units is fundamental to the behaviour of values and expressions. Values can be used directly, or they can be used as part of an Expression. For example, you can use an expression to add two values together: CFX-5.6
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= + . In this example, you may wish to pre-define and , but this is not required. However, in order to add two quantities together, they must have the same dimension, i.e. it is meaningful to add a quantity in inches to one expressed in metres, but it is not meaningful to add one expressed in kilograms to one in square feet. Expressions can also be functions of other (pre-defined) expressions: = + Units follow the conventions in the rest of CFX-5, in that a calculation has a set of solution units (by default, SI units), and that any quantity can be defined either in terms of the solution units, or any other set of units with the correct form. An expression does not have its own units string, but if it references quantities which have dimensions, these will determine the resulting units for the expression. For example, if an expression depends inversely on the square of the x coordinate, then it has implied dimensions of length to the power -2.
CFX Expression Language Statements The CFX Expression Language is declarative. You declare the name and definition of the expression (and an optional comment or description) using expression language statements. The statements must conform to a predefined syntax which is similar to FORTRAN mathematical statements. The statement must consist of the following: • a number, optionally with associated units. This defines a constant. Constants without units are termed dimensionless. • one or more references to constants, system variables, or existing user variables, separated by + (addition), - (subtraction), * (multiplication), / (division) and ^ (exponentiation), with optional grouping of these by parentheses. The syntax rules for these expressions are the same as those for conventional arithmetic.
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Use of Constants Constants do not need to be defined prior to being used in an expression. For example, you could choose to evaluate the expression x + 5 [m]. Or, you could define a constant, b = 5 [m] and then create an expression x + b. The use of constants may be of benefit in generating complicated expressions or if you have several expressions that use the same constants. Expression Syntax All numbers are treated as real numbers. The precedence of operators is as follows (from highest to lowest): • The unary minus or negation operator ‘-’ as in ‘-x’. • The power operator ‘^’ as in ‘x^y’. • Multiplication and division as in ‘x*y/z’. • Addition and subtraction as in ‘x+y-z’. Note a difference from FORTRAN is that in FORTRAN, if A has the value 1, then -A**2 is interpreted as -(A**2) and has the value -1. In CEL -A^2 is interpreted as (-A)^2 and has the value 1. For clarity, you can always use brackets to specify the order of operations. Multiple-Line Expressions It is often useful, particularly with complex expressions, to use more than one line when creating your expression. CFX-5 allows you to use multiple lines to generate an expression, provided each line is separated by an appropriate operator. For example, you may have an equation, A + B/C, that consists of three complex terms, A, B, and C. In this case, you could use three lines to simplify creating the expression: A+ B /C Note that the operator may be used at the end of a line (A +) or at the beginning of a line (/ C). You do not need to enter the operator twice. Once the expression has been created, it will appear in the Existing Definitions listbox as if it was generated on a single line (A + B/C). CFX-5.6
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CEL Variables, Functions and Constants Variables Available for use in CEL Expressions The following is a list of the more common variables that are available for use with CEL when defining expressions. To view a complete list you can right-click in the Expression Editor Definition panel in CFX-Pre, see Expression Editor (p. 150 in CFX-Pre). Many variables have a long and a short form (e.g. Pressure or p). CEL only supports the short form for variable names, as shown in the above table. Additional variable are available in CFX-Post, see CFX Expression Language (CEL) in CFX-Post (p. 198 in CFX-Post) for details. Table 1 Common CEL variables Name
Units
Meaning
u
m s^-1
Velocity in the x coordinate direction
v
m s^-1
Velocity in the y coordinate direction
w
m s^-1
Velocity in the z coordinate direction
velstn u
m s^-1
Velocity in Stationary Frame in the x coordinate direction
velstn v
m s^-1
Velocity in Stationary Frame in the y coordinate direction
velstn w
m s^-1
Velocity in Stationary Frame in the z coordinate direction
p
kg m^-1 s^-2
Pressure
pabs *
kg m^-1 s^-2
Absolute Pressure
ptot
kg m^-1 s^-2
Total Pressure
ptotstn
kg m^-1 s^-2
Total Pressure in Stationary Frame
vfc
Dimensionless
Conservative Volume Fraction. See Volume Fraction (p. 144 in Solver Modelling).
Direction 1, 2 and 3 in Local Coordinate Frame. See Coordinate Frames (p. 24 in Solver Modelling) for details. Cannot be used as the variable in the functions documented in Table 4 (p. 24).
xGlobal yGlobal zGlobal
m
Direction 1, 2 and 3 in Global Coordinate Frame. See Coordinate Frames (p. 24 in Solver Modelling) for details.
r
m
2 2 Radial spatial location, r = x + y . See CEL Variables “r” and “theta” (p. 17).
theta
rad
Angle, arctan(y/x). See CEL Variables “r” and “theta” (p. 17).
t*
s
Time
atstep *
Dimensionless
Accumulated time step. See CEL Variables “atstep”, “ctstep”, “aitern” and “citern” (p. 18).
ctstep *
Dimensionless
Current time step. CEL Variables “atstep”, “ctstep”, “aitern” and “citern” (p. 18).
aitern *
Dimensionless
Accumulated iteration number. CEL Variables “atstep”, “ctstep”, “aitern” and “citern” (p. 18).
citern *
Dimensionless
Current iteration number. CEL Variables “atstep”, “ctstep”, “aitern” and “citern” (p. 18).
rNoDim *
Dimensionless
Non-dimensional radius (only available when a rotating domain exists). See CEL Variable “rNoDim” (p. 18).
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Name
Units
Meaning
subdomain *
Dimensionless
Subdomain variable (1.0 in Subdomain, 0.0 elsewhere). See CEL Variable “subdomain” (p. 18).
mean particle diameter *
m
Mean Particle Diameter
af *
Dimensionless
Contact Area Fraction
mixture length scale *
m
Mixture Model Length Scale
deneff *
kg m^-3
Effective Density
mixfrc
Dimensionless
Mixture Fraction Mean
mixvar
Dimensionless
Mixture Fraction Variance
sootmf
Dimensionless
Soot mass fraction
sootncl
m^-3
Soot nuclei specific concentration
AV name
Additional Variable name
* Not output to CFX-Post. See CEL Variables In CFX-Post (p. 198 in CFX-Post) for details.
System Variable Prefixes In order to distinguish system variables of the different components and fluids in your CFX-5 model, prefixes are used. For example, if carbon dioxide is a material used in the fluid air, then some of the system variables that you might expect to see are:
air.density - the density of air air.viscosity - the viscosity of air air.carbondioxide.mf - the mass fraction of carbon dioxide in air In a single phase simulation the fluid prefix may be omitted, however for multiphase cases you must include the fluid prefix to distinguish between different fluids. CEL Variables “r” and “theta” r is defined as the normal distance from the third axis with respect to the Reference Coordinate Frame. theta is defined as the angular rotation about the third axis with respect to the Reference Coordinate Frame. Note: theta is expressed in Radians and will have values between -π and π. CFX-5.6
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r and theta are particularly useful for describing radial distributions, for instance the velocity profile at the inlet to a pipe. Figure 1 r and theta with respect to the reference coordinate frame
Y Reference Coordinate Frame r
theta X
Z
CEL Variable “rNoDim” rNoDim is a dimensionless system variable which can be useful for rotating machinery applications. It is a ratio of radii, defined to be zero at the minimum radius and unity at the maximum radius, so that in general: R – R min rNoDim = ----------------------------R max – R min where R is the radius of any point in the Domain from the axis of rotation. rNoDim is only available for Domains defined with a rotating frame of reference. CEL Variable “subdomain” subdomain is essentially a step function variable, defined to be unity within a Subdomain and zero elsewhere. This is useful for describing different initial values or fluid properties in different regions of the Domain. It works in all subdomains, and cannot be applied to specific subdomains (e.g. an expression for temperature in a subdomain could be 373*subdomain [K]). CEL Variables “atstep”, “ctstep”, “aitern” and “citern” These variables allow access to timestep and iteration number in CEL expressions. They may be useful in setting parameters such as the Physical Timescale via CEL expressions. Page 18
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Steady-State Runs In steady-state runs, only aitern and citern are of use. citern gives the timestep number of the current run. The timestep number begins at 1 for each run, irrespective of whether it is a restarted run. aitern gives the accumulated timestep number, which accumulates across multiple restarted run. atstep is equivalent to aitern in a steady-state run and ctstep is equivalent to citern. Transient Runs In transient runs, atstep and ctstep are used for the accumulated and current timestep numbers of the outer timestep loop. citern gives the current timestep number of the inner coefficient loop within each timestep. Thus, citern will cycle between 1 and n for each timestep during a transient run, where n is the number of coefficient loops. aitern is of no use in a transient run, but if used is equivalent to citern. Expression names Your CEL expression name can be any name that does not conflict with the name of a CFX-5 system variable, mathematical function, or an existing CEL expression. See The RULES and VARIABLES Files (p. 87 in CFX-5 Solver Manager) for further details on viewing reserved names. Scalar expressions A scalar expression is a real valued expression using pre-defined variables, user variables and literal constants (e.g. 1.0). Note that literal constants have to be of the same dimension. Scalar expressions can include the operators + - * / and ^ and several of the mathematical functions found in standard FORTRAN (e.g. sin() and exp()). An expression’s value is a real value and has specified dimensions (except where it is dimensionless - but this is also a valid dimension setting). For example, if t is time and L is a length then the result of L/t has the same dimensions as speed. The + and - operators are only valid between expressions with the same dimensions and result in an expression of those dimensions.
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The * and / operators combine the dimensions of their operands in the usual fashion. X^I, where I is an integer, results in an expression whose dimensions are those of X to the power I. The trigonometric functions all work in terms of an angle in radians and a dimensionless ratio. Expression properties There are three properties of expressions: • An expression is a simple expression if the only operations are +, -, *, / and there are no functions used in the expression. • An expression is a constant expression if all the numbers in the expression are explicit (i.e. they don’t depend on values from the solver). • An expression is an integer expression if all the numbers in the expression are integers and the result of each function or operation is an integer. For example (3+5)/2 is a simple, constant, integer expression. However, 2*(1/2) is not a constant integer expression, since the result of 1/2 is 0.5, not an integer. Also 3.*4 is not a constant integer expression, since 3. is not an integer. Moreover 2^3 is not a simple, constant, integer expression, since ^ is not in the list (+, -, *, /). Expressions are evaluated at runtime and in single precision floating point arithmetic. Available and Unavailable Variables CFX-5 System Variables and user-defined expressions will be available or unavailable depending on the simulation you are performing and the expressions you wish to create. In some circumstances, System Variables are logically unavailable; for instance, time (t) is not available for steady-state simulations. In others, the availability of a System Variable is not allowed for physical model reasons. For example, density can be a function of pressure (p), temperature (T) and location (x, y, z), but no other system variables. See The RULES and VARIABLES Files (p. 87 in CFX-5 Solver Manager) for information on how to find dependencies for all parameters. CFX-Pre checks expressions for syntax and use of system variables when you use them to define a parameter in CFX-Pre. Page 20
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The expression definition can depend on any system variable. If, however, that expression depends on a system variable which is unavailable for a particular context, then that expression will also be unavailable.
CEL Operators CFX-5 provides a range of mathematical operators as built-in mathematical functions to help you create complex expressions using the Expression Editor. Table 2 CEL operators Operator
First Operand’s Dimensions [x]
-x
Any
x+y
Any
x-y
Second Operand’s Dimensions [y]
Operands’ Values (Approx)
Result’s Dimensions
Any
[x]
[x]
Any
[x]
Any
[x]
Any
[x]
x*y
Any
Any
Any
[x]*[y]
x/y
Any
Any
y≠0
[x]/[y]
x^y (if y is a simple, constant, integer expression)
Any
Dimensionless
Any*
[x]^y
x^y (if y is any simple, constant, expression)
Any
Dimensionless
x>0
[x]^y
x^y (if y is not simple & constant)
Dimensionless
Dimensionless
x>0
Dimensionless
*For y < 0, x must be non-zero.
The following mathematical functions are available for use with all CEL expressions. In the ‘Function’ column in the table below, [ ] denotes a dimensionless quantity and [a] denotes any dimension of the first operand.
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CEL Functions Standard Mathematical Functions The mathematical functions listed in the table below can be incorporated into any CEL expression in CFX-Pre, the CFX-5 Solver or CFX-Post. Table 3 Standard mathematical CEL functions Function
Operand’s Values
Result’s Dimensions
sin( [radians] )
Any
Dimensionless
cos( [radians] )
Any
Dimensionless
tan( [radians] )
Any **
Dimensionless
asin( [ ] )
-1 ≤ x ≤ 1
Radians
acos( [ ] )
-1 ≤ x ≤ 1
Radians
atan( [ ] )
Any
Radians
atan2( [a], [a] )
Any
Radians
exp( [ ] )
Any
Dimensionless
loge( [ ] )
0
Dimensionless
log10( [ ] )
0
Dimensionless
abs( [a] )
Any
[x]
sqrt( [a] )
0≤x
[x]^0.5
step( [ ] ) *
Any *
Dimensionless
min( [a], [a] )
Any
[x]
max( [a], [a] )
Any
[x]
*step(x) is 0 for negative x, 1 for positive x and 0.5 for x=0. x must be dimensionless. ** note that tan(x) is undefined for nπ/2 where n=1, 3, 5 .. .
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Additional CFX-5 Solver CEL Functions CEL expressions can also incorporate specialised functions that are useful in CFD calculations. Table 4 (p. 24) summarises additional CEL functions that are available for use in CFX-Pre and the CFX-5 Solver. Important: The additional CEL functions and syntax documented here does not apply to use of CEL in CFX-Post. See Quantitative CEL Functions in CFX-Post (p. 200 in CFX-Post) for these details. The syntax used for calling these functions when used within CEL expressions is: [.]()@ where terms enclosed in square braces [ ] are optional and terms in < > should be replaced with the required entry. • [.] is optional and will default to all domain fluids if not specified. For multiphase results, it can be set to any single fluid in the domain by entering the fluid name followed by a period before the function definition. Table 4 (p. 24) lists the functions that accept this option. • specifies the CEL function to evaluate. Table 4 (p. 24) lists these functions. • () is the variable to be operated on. If this is not required (see Table 4 (p. 24)), it should be left blank (i.e. ()). You must use the short form for variable names, as listed in Table 1 (p. 14). You cannot use a general CEL expression, as in CFX-Post. You could create an Additional Variable based on an expression and then use the Additional Variable as the argument. The variable operated on is always the conservative variable. • @ should be a named boundary, domain or subdomain region that is defined in the CCL file. The valid regions for each function are listed in Table 4 (p. 24). An example of the calling syntax in an expression is: Pinitial = areaAve(p)@Inlet
which results in the area-weighted average of pressure on the boundary named Inlet.
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The CEL variables x, y and z, representing the local coordinates, cannot be used as the variable. However, the variables xGlobal, yGlobal and zGlobal can be used (see Coordinate Frames (p. 24 in Solver Modelling)). For example, the following is a valid expression definition: z*areaAve(xGlobal)@inlet
Operations performed on a domain use vertex values. Operations on a subdomain use element values. By combining these functions with the monitor points feature, you can monitor the value of an expression which is based on these functions; see Monitor Points (p. 318 in CFX-Pre). Table 4 Additional CEL functions in CFX-Pre/CFX-5 Solver Function Name and Argument
Description
Quantity Type
Valid Region
area( )
Area of a boundary or interface.
Area
Any boundary or interface
area_x( ) area_y( ) area_z( ) *
The (signed) component of the normal area vector in the x, y or z direction.
Area
Any boundary or interface
areaAve()
Area-weighted average of on a boundary
Units of
Any boundary or interface
areaInt()
Area-weighted integral of on a boundary.
Units of multiplied by area
Any boundary or interface
ave()
Arithmetic average of within a domain or subdomain
Units of
Domain or subdomain
force( )
The magnitude of the force vector on a boundary.
Force
Walls
force_x( ) force_y( ) force_z( )
The (signed) component of the force vector in the x, y or z direction.
Force
Walls
mass( )
The total mass within a domain or subdomain. This is fluid dependent.
Mass
Domain or subdomain
massAve()
Mass-weighted average of on a domain or subdomain
Units of
Domain or subdomain
massInt()
The mass-weighted integration of within a domain or subdomain
Units of multiplied by mass
Domain or subdomain
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Function Name and Argument
Description
Quantity Type
Valid Region
massFlowAve()
Mass flow weighted average of on a boundary
Units of
Inlets, Outlets, Openings and fluidfluid interfaces
massFlowInt()
Mass flow weighted integration of on a boundary
Units of multiplied by mass flow
Inlets, Outlets, Openings and fluidfluid interfaces
massFlow( )
Mass flow through a boundary
Mass flow
Inlets, Outlets, Openings and fluidfluid interfaces
maxVal()
Maximum Value of within a domain or subdomain
Units of
Domain or subdomain
minVal()
Minimum Value of within a domain or subdomain
Units of
Domain or subdomain
rmsAve()
RMS average of within a domain.
Units of
Domain
sum()
Sum of over all domain or subdomain vertices
Units of
Domain or subdomain
volume( )
The total volume of a domain or subdomain
Volume
Domain or subdomain
volumeAve()
Volume-weighted average of on a domain
Units of
Domain
volumeInt()
Volume-weighted integration of within a domain or subdomain
Units of *volume
Domain or subdomain
* The normal area vectors are always directed into the domain, therefore you may obtain positive or negative areas depending on the orientation of your domain and the boundary you are operating on. The area of a closed surface will always be zero.
CEL Constants The Expression Editor provides the following useful constants for developing expressions using CEL. Table 5 CEL constants
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Constant
Units
Description
e
Dimensionless
Constant: 2.7182817
g
m s^-2
Acceleration due to gravity: 9.8066502 CEL Variables, Functions and Constants
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Constant
Units
Description
pi
Dimensionless
Constant: 3.1415927
R
J K^-1 mol^-1
Universal Gas Constant: 8.314472
stefan
W m^-2 K^-4
5.670400E-08
boltzmann
J K^-1
1.3806503E-23
planck
Js
6.62606876E-34
clight
m s^-1
2.99792458E+08
avogadro
mol^-1
6.02214199E+23
Using Expressions The interaction with CEL consists of two phases: • a definition phase, and, • a use phase. The definition phase consists of creating a set of values and expressions of valid syntax. The purpose of the Expression Editor is to help you to do this. Use of Offset Temperature When using temperature values in expressions it is generally safer to only use units of [K]. When units are used that posses an offset temperature scale are used (e.g. [C]), they are converted internally to [K]. When a term is specified with a simple temperature unit (to the power of unity), then any units conversion will include the offset between temperature scales. However, in all other cases the offset is ignored since this is usually the most appropriate behaviour. You should therefore take care when specifying an expression involving non-unit powers of temperature. For example, each of the expressions below is equivalent: Temperature Temperature Temperature Temperature
These are only equivalent because all units are to the power of unity and units other than [K] appear no more than once in each expression. The following expression will not produce the expected result: Page 26
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Temperature = 0 [C] + 30 [C]
This is equivalent to 576.30 [K], since each value is converted to [K] and then summed. The two expression below are equivalent (as expected) because the offset in scales is ignored for non-unit powers of temperature: Specific Heat = 4200 [J kg^-1 C^-1] Specific Heat = 4200 [J kg^-1 K^-1]
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CEL Examples In addition to the examples presented below, the following links to the CFX-5 Tutorials contain examples of creating CEL expressions in your model: • To create an expression for temperature dependent viscosity (p. 122 in CFX-5 Tutorials). • Expression Method for the Inlet Velocity Profile (p. 285 in CFX-5 Tutorials). • To create the expression for shear rate dependent viscosity (p. 343 in CFX-5 Tutorials).
Example 1: Reynolds Number Dependent Viscosity In this example it is assumed that some of the fluid properties, including the dynamic viscosity, are not known. However the Reynolds number, inlet velocity and a length scale are known. The flow is compressible and therefore the density is variable. Given this information it is possible to calculate the fluid dynamic viscosity based on the Reynolds number. The Reynolds number is given by: ρUL Re = ----------µ where ρ is density, U a velocity scale, L a length scale and µ the dynamic viscosity. The velocity scale is taken as the inlet velocity, the length scale as the inlet width and the density is calculated as the average density over the inlet area. The LIBRARY section of the CCL (CFX Command Language) file appears as follows: LIBRARY : CEL : EXPRESSIONS : Re = 4.29E6 [ ] Vel = 60 [m s^-1] L=1.044[m] Visc=areaAve(density)@in*Vel*L/Re END END MATERIAL : Air Ideal Gas Page 28
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Option = Pure Substance PROPERTIES : Option = Ideal Gas Molar Mass = 2.896E1 [kg kmol^-1] Dynamic Viscosity = Visc Specific Heat Capacity = 1.E3 [J kg^-1 K^-1] Thermal Conductivity = 2.52E-2 [W m^-1 K^-1] END END END
This shows that four CEL expressions have been created. The first three expressions define constant values that are used in the Visc expression. The Visc expression calculates the dynamic viscosity based on the equation for Reynolds number given above. Within the expression the function areaAve(density)@in is used to evaluate the average density at the inlet. This function can be selected in CFX-Pre in the Expression Editor, see Expression Editor (p. 150 in CFX-Pre). The Visc expression can now be used to replace the value of Dynamic Viscosity in the MATERIAL > PROPERTIES section.
Example 2: Feedback to Control Inlet Temperature In this example a feedback loop is used to control the outlet temperature by varying the temperature at an inlet. To illustrate the example consider the geometry shown below: Figure 2 Temperature feedback loop Side Inlet Temperature Control Inlet Flow = 5 m/s Flow = 1 m/s T = 375 K T = Tcontrol
Main Inlet Flow = 0.5 m/s T = 275 K
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Fluid from a main and a side inlet enter at temperatures of 275 K and 375 K respectively. The temperature of the fluid entering from the third inlet depend on the outlet temperature. When the outlet temperature is greater than 325 K, the fluid from the third inlet is set to 275 K. When the outlet temperature is less than 325 K, the fluid from the third inlet is set to 375 K. In addition an expression is used to set the dynamic viscosity to be a linear function of temperature. The LIBRARY section of the CCL (CFX Command Language) file appears as follows. Note that the the “\” character indicates a line continuation in CCL. LIBRARY: MATERIAL: Water at STP Modified Option = Pure Substance PROPERTIES: Option = General Fluid Density = 9.999E2 [kg m^-3] Dynamic Viscosity = VisT Specific Heat Capacity = 4.21E3 [J kg^-1 K^-1] Thermal Conductivity = 5.69E-1 [W m^-1 K^-1] END # PROPERTIES END # MATERIAL Water at STP Modified CEL: EXPRESSIONS: Tupper = 375.0 [ K ] # Upper temp. Tlower = 275.0 [ K ] # Lower temp. Visupper = 0.000545 [ N s m^-2 ] # Vis. at Tupper Vislower = 0.0018 [ N s m^-2 ] # Vis. at Tlower VisT = Vislower+(Visupper-Vislower)*(T-Tlower)/ \ (Tupper-Tlower) # Vis.-Temp. relationship Tm=(Tupper+Tlower)/2 Tout=areaAve(Water at STP Modified.T)@outlet Tcontrol=Tlower*step((Tout-Tm)/1[K]) \ +Tupper*step((Tm-Tout)/1[K]) END # EXPRESSIONS END # CEL END # LIBRARY
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The first four expressions, Tupper, Tlower, Visupper and Vislower are simply constant values to define temperature and viscosity values. The expression VisT produces a linear function for the dynamic viscosity taking a value of Visupper at Tupper and a value of Vislower at Tlower. The expression Tm sets the desired value of the outlet temperature. In this case it is set to a mean value of the two inlet temperatures. Tout calculates the outlet temperature using the areaAve function. This function can be selected in CFX-Pre in the Expression Editor, see Expression Editor (p. 150 in CFX-Pre). Finally the expression Tcontrol is used to set the temperature of the third inlet. Two step functions are used so that the temperature is equal to Tlower when Tout-Tm is positive (i.e. the outlet temperature is greater than Tm), and is equal to Tupper when Tout-Tm is positive.
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The Expression Editor The Expression Editor is an interactive tool accessible through the CFX-Pre Tools menu, allowing you to develop expressions for use within CFX-5. A detailed description of the Expression Editor is given in Expression Editor (p. 149 in CFX-Pre).
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CEL Technical Details CEL is a byte code compiled language. Compiled languages, such as FORTRAN, rely on a translation program to convert them into the native machine language of the host platform. Interpreted languages are of two types: the fully interpreted languages such as the UNIX C shell, and the byte code compiled languages such as CEL. With byte codes, host machines are loaded with a client program (written in a compiled language and compiled for that machine architecture) which interprets the byte stream. The advantage of the byte code is that they can be the same on all host platforms, obviating the need for platform dependent codes. Since the byte codes are interpreted, there is no need to re-link executable programs to perform a different calculation. Furthermore, many of the problems encountered by writing and linking in separate routines, for instance in C or FORTRAN, are averted, and the time taken to set up and debug complicated problems reduced considerably. The link between CEL and the CFX-5 Solver is accomplished through an internal program called genicode. Genicode generates intermediate code from your CEL definitions and writes to a file which is then interpreted by the CFX-5 Solver during the solution process.
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Import Mesh API • Introduction to the Import Mesh API p. 36 • Creating your own Mesh Import Program p. 37 • Linking your Code into CFX-5 p. 43 • Using your Custom Import Format p. 45 • API Functions p. 46 • Import Programs p. 60
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Introduction to the Import Mesh API The Import Mesh Application Programming Interface allows you to build your own import mesh program using a set of utility subroutines. The API has been provided for those users who require mesh import capabilities beyond those available through the normal Import Mesh forms in CFX-Pre.
Valid Mesh Elements in CFX-5 The CFX-5 Solver can solve flows in any mesh comprising one or more of the following element types:
Tetrahedral
Prismatic (Wedge)
Pyramidal
Hexahedral
Your custom interface can be developed to support these element types allowing hybrid meshes to be imported and used by CFX-5.
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Creating your own Mesh Import Program You can create your own customised Import Mesh program using the C programming language. Several mesh import utility routines are provided as libraries with the CFX-5 installation for you to incorporate into your own programs. You can also use one of the existing Import Mesh source routines as the basis of your custom mesh import program. The basic structure of the API is common in all of the examples: • Include cfxImport.h header file. • Initialise for import with the cfxImportInit routine. • Define node data with cfxImportNode. • Define element data with cfxImportElement. • Optionally define 2D and 3D regions with cfxImportRegion or cfxImportBegReg or cfxImportAddReg and cfxImportEndReg. • Finish the import and transfer data with cfxImportDone. The utility routine libraries are located in
/lib/// where is the directory in which CFX is installed, is the release number (e.g. 5.6) and is the operating system (e.g. solaris). More information on how to find out what these are for your system can be found in Document Conventions (p. 3 in Installing & Introduction to CFX-5). See API Functions (p. 46) for more details. The header files for the definition of the utility routines are located in
/include// The header file cfxImport.h should be included in your import program to define the API routines. After creating the program, you will need to link it with the API routine libraries and run it through CFX-Pre. See Linking your Code into CFX-5 (p. 43) and Using your Custom Import Format (p. 45) for more details. Note: Windows users should note that custom mesh import or export programs must be compiled as multi-threaded applications.
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A Custom Mesh Import Example The following is an annotated listing of sections of the C source code for the Patran import option. The full source code is available for use as a template and is located in /examples//ImportTemplate.c. #include #include #include #include #include #include #include
#include "cfxImport.h" #include "getargs.h"
Specify the inclusion of header files which define functions required for the custom import. These files should always be included, and this section should be at the beginning of your custom coding.
static char options[] = "velF:"; static char *usgmsg[] = { "usage : ImportPatran [options] Patran_file", "options:", " -v = verbose output", " -l = process packet 6 - distributed loads", NULL }; void main (argc, argv) int argc; char *argv[]; { int n, packet, nlines; int nnodes, elemid, nodeid[8]; int lastid = -1, loadid; int verbose = 0, do_loads = 0; double xyz[3]; char *p, buffer[256]; char *testfile = NULL; FILE *fp; struct stat st;
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Define the import options.
Define the main program variables including the array to hold the x,y,z coordinates of the nodal locations.
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while ((n = getargs (argc, argv, options)) > 0) { switch (n) { case 'v': verbose = 7; break; case 'l': do_loads = 1; break; case 'F': testfile = argarg; break; } }
while (packet != 99) {
Filter command line arguments for the import program.
if (loadid != lastid) { sprintf (buffer, "PatranLoad%d", loadid); if (verbose) { printf ("reading packet 06 (loads) as region <%s>...\n", buffer); fflush (stdout); } cfxImportBegReg (buffer, cfxImpREG_NODES); lastid = loadid; } getline (); /* add if element load flag is set */ if ('1' == buffer[0]) add_face (elemid, &buffer[9]); while (--nlines > 0) getline (); }
Finish import /* finish up and send the data */ if (verbose) { printf ("transferring data...\n"); fflush (stdout); } cfxImportDone ();
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/* print summary */
Print a summary of the import
if (verbose) { int stats[cfxImpCNT_SIZE]; long bytes; static char *statname[] = { "imported nodes ", "imported elements ", "imported regions ", "unreferenced nodes", "duplicate nodes ", "tet elements ", "pyramid elements ", "wedge elements ", "hex elements ", "total bytes sent " }; bytes = cfxImportTotals (stats); putchar ('\n'); for (n = 0; n < 9; n++) printf ("%s = %d\n", statname[n], stats[n]); printf ("%s = %ld\n", statname[9], bytes); } exit (0); }
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Linking your Code into CFX-5 In order to build an export utility routine, it must be linked with the Import API library. The library is named libmeshimport.a on UNIX and libmeshimport.lib on Windows platforms.
UNIX
On most UNIX systems you should be able to build the executable with the command: cc myimport.c -o myimport -L/lib// -lmeshimport -lio -lm -I/include//
where is the directory in which CFX is installed, is the release number (e.g. 5.6) and is the architecture of the machine that you are running on (e.g. one of solaris, irix, hpux, aix, osf,linux). To find out what is for your installation, see Specific Directory Names (p. 4 in Installing & Introduction to CFX-5). To find out what is for your machine, see Operating System Names (p. 5 in Installing & Introduction to CFX-5). In this example, your own import program is named myimport.c and the executable file will be called myimport. You should ensure that the libraries that you are linking to (the path given after -L) appear on the command line after the source file (or object file if you are just linking to an existing object).
Windows
On Windows systems, assuming that you are using the Microsoft Developer Studio which comes with Visual C++ version 5, you can do the following to build your executable: • Create a new project by selecting File > New, which should be a Win32 Console Application. • Specify the libraries which need to be linked in, by selecting Project > Add to Project > Files. Add Library Files libio.lib and libmeshimport.lib from the \lib\\winnt directory, where is the directory in which CFX is installed, is the release number (e.g. 5.6).
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• Specify the header files which need to be included, by selecting Project > Settings. Select Settings for: All Configurations and the C/C++ tab, and select the Preprocessor category. You need to add the Additional Include Directory \include\\. • Next, you should create your C++ source file. Select New > C++ source file, and copy your C++ source file into the window for this file. • Before building the executable, you must choose to ignore the standard C and LIBCD libraries. To do this: under Project Settings, click on the Link tab and enter C,LIBCD in the Ignore Libraries box. • You must also compile with multithreading ON. Under Project Settings, click on the C/C++ tab, select Code Generation from the Category option menu, and select Multithreaded DLL from the Use run-time Library option menu. • To build the executable, select Build > Build .exe, where is the name of the project.
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Using your Custom Import Format Running the program from CFX-Pre To access your routine, you need to select the mesh file to import on the Import Mesh Panel (p. 89 in CFX-Pre) form and set the Mesh Format to User Import. When this option is selected, you should select the Advanced tab, enter the name of your compiled program into the box marked Exec Location and enter any command line arguments that your program requires into the Exec Arguments box. When OK is pressed your program will be called with the syntax
Alternatively, to specify the executable program every time you start CFX-Pre, you can add the following line to your .cfx5rc file: CFX_IMPORT_EXEC=""
where is the full path and name of your executable. See Resources Set in cfx5rc Files (p. 162 in Installing & Introduction to CFX-5) for more details on .cfx5rc files. When you next use the User Import option for importing a mesh, the form will appear with the name of your executable in the User’s Import Executable databox.
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API Functions This section lists the various routines available through the Mesh Import API that are available when you write your own customised program. A description of how to use the Import Mesh API is given in Creating your own Mesh Import Program (p. 37), and this includes information on how to write a customised Import Mesh program, how to link it into CFX-5, and how to run it. The locations of all the necessary files and libraries and an example are described in this document, and you are recommended to read it before trying to use any of the routines listed here.
Defined Constants The following are defined in the header file cfxImport.h, which should be included in the import program. Element Types There are currently 4 types of elements, which are identified by the number of nodes: Tetrahedrons (4 nodes), pyramids (5 nodes), wedges or prisms (6 nodes), and hexahedrons (8 nodes). The element types may be identified by the defined constants: #define #define #define #define
cfxELEM_TET cfxELEM_PYR cfxELEM_WDG cfxELEM_HEX
4 5 6 8
The element node ordering and local face numbering follow Patran Neutral file conventions for element descriptions. Region Types Regions may be defined in terms of nodes, faces or elements, based on the type argument to the cfxImportBegReg or cfxImportRegion routines. The three types are defined by the defined constants: #define cfxImpREG_NODES #define cfxImpREG_FACES #define cfxImpREG_ELEMS
1 2 3
Node and Face regions define 2D regions of the imported mesh. Element regions define 3D regions of the imported mesh. Page 46
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It is best to use face regions to define 2D regions of the mesh and element regions to define 3D regions of the mesh. Node regions will be automatically transformed into a face region by the import process. This transformation requires the node ID’s specified to define vertices of valid element faces. If no element faces can be constructed from the defined node region the node region will be deleted. Note: Due to the limited topological information recoverable from a set of nodes it is not advisable to define 2D regions internal to a 3D region using nodes. In this case it is advisable to use Face regions.
Node regions are specified by a list of node ID’s. Face regions are defined by a list of face ID’s. These face ID’s are a combination of an element ID and a local face number in the element. The following macro is provided in cfxImport.h to construct the face ID: #define cfxFACEID(elemid,facenum) ((elemid<<3)|(facenum&7))
In Fortran, the same operation may be done as: faceid = 8 * elemid + facenum
Element regions are specified as a list of element ID’s.
Initialisation Routines The following routines check and initialise the Import API. With the exception of cfxImportStatus the first call to the Import API must be either cfxImportInit for communication with CFX-5, or cfxImportTest for testing the import routine in stand-alone mode. cfxImportStatus int cfxImportStatus ()
Checks the current status of the connection to CFX-5 based on the state of the file descriptor associated with a communication channel. Returns 0 if descriptor is not opened and -1 if not opened for writing. In the normal case, 1 is returned if opened for writing to a CFX-5, and 2 if opened for writing to a file. cfxImportInit void cfxImportInit () CFX-5.6
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Performs initialisation to begin communicating with CFX-5. This routine should be called early on in the import program to let CFX-5 know that data is to be sent. If not called within 60 seconds, CFX-5 will terminate the import process. If called and there is no connection with CFX-5, then the routine cfxImportTest("/dev/null") (UNIX) or cfxImportTest("null") (Windows) will be called. This routine will be automatically called by most of the API routines if not already called. There is no return value for this routine. In the case of an error, cfxImportFatal will be called. cfxImportTest int cfxImportTest (filename) char *filename;
This routine allows testing of import program in isolation from CFX-5 by writing data to a file filename instead of attempting to write it to the CFX-5 communication channel. The routine will return the file descriptor of the output file or will terminate with a call to cfxImportFatal on error.
Termination Routines With the exception of cfxImportTotals the last call to the Import API must always be cfxImportDone. This function performs the final processing of the import data, and then transfers the data to CFX-5. cfxImportDone long cfxImportDone ()
Indicate to the import API that all mesh data has been given and the API should now send the data to CFX-5. Except for cfxImportTotals, this should be last call made to the API. Returns the total number of bytes transferred to CFX-5 by the import program. cfxImportTotals long cfxImportTotals (counts) int counts[cfxImpCNT_SIZE];
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Get the total number of nodes, elements, regions and other useful information given to the mesh import API by the program. This information is returned in the array counts, which should be of size at least cfxImpCNT_SIZE (currently defined as 9). The values returned in counts may be indexed by the enum list in cfxImport.h, which is: counts[cfxImpCNT_NODE] counts[cfxImpCNT_ELEMENT] counts[cfxImpCNT_REGION] counts[cfxImpCNT_UNUSED] counts[cfxImpCNT_DUP] counts[cfxImpCNT_TET] counts[cfxImpCNT_PYR] counts[cfxImpCNT_WDG] counts[cfxImpCNT_HEX]
= = = = = = = = =
number number number number number number number number number
of of of of of of of of of
nodes elements regions unused nodes duplicate nodes tetrahedral elements pyramid elements wedge elements hexahedral elements
The return value for the function is the total number of bytes of data sent to CFX-5 or written to the test file given when cfxImportTest was called.
Error Handling Routines The following two routines allow the programmer to define an error callback function, and a termination routine which terminates the import process cleanly. cfxImportError void cfxImportError (callback) void (*callback)(char *errmsg);
Define a user routine to be called before terminating due to a fatal error. callback is the application-supplied function to be called in the case of an error. The callback routine takes a single argument, errmsg, which will be passed by cfxImportFatal and should be processed by the callback function as a brief message describing the error that has occurred,. If this function is not called or callback is not specified, then the normal termination behaviour of the import mesh API will be that the any fatal errors will write the error message to stderr as well as being sent to CFX-5. cfxImportFatal void cfxImportFatal (errmsg) CFX-5.6
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char *errmsg;
Terminate with an error message, errmsg. This routine will send the message to CFX-5, shut down the communication channel or test file and call the user callback function (if specified by a call to cfxImportError).
There is no return from this call. The import program will terminate immediately after clean up tasks have been performed.
Node Routines These routines define the 3D coordinates of points in space(nodes) which will be used to define elements or 2D regions which are to be imported to CFX-5. Each node has a unique identifier called a node ID. cfxImportNode int cfxImportNode (nodeid, x, y, z) int nodeid; double x, y, z;
Define a node in the import API to be subsequently imported into CFX-5. The unique identifier of the node is given by nodeid, and the coordinates of the node by x, y, and z. Returns 0 if nodeid is invalid (less than 1), -1 if the node had already been defined (in which case the node is redefined using the new coordinates), or nodeid if successfully defined. cfxImportGetNode int cfxImportGetNode (nodeid, x, y, z) int nodeid; double *x, *y, *z;
Get the coordinates for the node identified by nodeid and return the values in x, y, and z. Returns 0 if the node has not been defined or the node ID for the node. cfxImportNodeList int * cfxImportNodeList ()
Returns an array of all node identifiers currently defined or NULL if no nodes have been defined. The first entry in the array is the number of nodes currently defined. Page 50
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The memory for the array returned is allocated using malloc by the routine, consequently it should be destroyed when no longer required by calling free.
Element Routines The following routines define the topology of elements (using node ID’s) which are to be imported to CFX-5. Also included here are routines which get the local face number and vertices of an element. cfxImportElement int cfxImportElement (elemid, elemtype, nodelist) int elemid, elemtype, *nodelist;
Define a new element to be imported to CFX-5. The unique identifier of the element is given by elemid, the element type by elemtype and the list of vertices by nodelist. If an element with the same ID has already been defined, it will be replaced by the new element being defined. Only volume elements are currently supported by CFX-5; these may be tetrahedrons (4 vertices), pyramids (5 vertices), prisms (6 vertices) or hexahedrons (8 vertices). elemtype is the number of vertices for the element. The following defines are included in the header file, cfxImport.h for convenience: #define #define #define #define
cfxELEM_TET cfxELEM_PYR cfxELEM_WDG cfxELEM_HEX
4 5 6 8
/* /* /* /*
tet element (4 nodes ) */ pyramid element (5 nodes ) */ wedge element (6 nodes) */ hex element (8 nodes) */
The list of vertices in nodelist refers to ID’s of nodes which on termination of the import program by a call to cfxImportDone must have been defined by calls to cfxImportNode. If this is not the case a fatal error will be reported and the API will terminate. The vertex ordering for the elements follows Patran Neutral File element conventions, and is shown in the following figure.
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5 4
4
3 2
3
1
1
2 Pyramid
Tetrahedron 6
8 5
7
5 6
4
4
3 2 1
Prism
3
1 2 Hexahedron
Returns 0 in the case of an elemid is invalid (less than 1) or an unsupported value is given by elemtype, -1 if the element already exists and has been redefined , or elemtype if the element is successfully defined. cfxImportGetElement int cfxImportGetElement (elemid, nodelist) int elemid, nodelist[];
Get the node ID’s for corresponding to the vertices of element identified by elemid and store in the array nodelist. This array needs to be at least as large the number of vertices for the element (a size of 8 will handle all possible element types). Returns 0 if the element is not defined, or the element type (number of vertices). The node ID’s will be ordered in the order expected by cfxImportElement if the program was to redefine the element.
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cfxImportElementList int * cfxImportElementList ()
Returns an array of all the currently defined element ID’s or NULL if no elements have been defined. The first entry in the array is the number of elements. The memory for the array returned is allocated using malloc by the routine, consequently it should be destroyed when no longer required by calling free. cfxImportGetFace int cfxImportGetFace (elemid, facenum, nodelist) int elemid, facenum, nodelist[];
Gets the node ID’s for the local facenum’th face of the element identified by elemid. The node ID’s is returned in nodelist, which should be of at least of size 4. The nodes correspond to the vertices of the face and are ordered counter-clockwise such that the normal for the face points away from the element. The face numbers, and associated node indices follows Patran Neutral File element and are detailed in the following table: Element Type
Face
Nodes
tetrahedron
1
1
3
2
2
1
2
4
3
2
3
4
4
1
4
3
1
1
4
3
2
1
2
5
3
2
3
5
4
3
4
5
5
1
5
4
1
1
3
2
2
4
5
6
3
1
2
5
pyramid
prism
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Element Type
hexahedron
Face
Nodes
4
1
4
6
3
5
2
3
6
5
1
1
2
6
5
2
3
4
8
7
3
1
4
3
2
4
2
3
7
6
5
5
6
7
8
6
1
5
8
4
Returns -1 if the element has not been defined, 0 if the face number is out of range, or the number of nodes for the face (3 or 4): cfxImportFindFace int cfxImportFindFace (elemid, nnodes, nodeid) int elemid, nnodes, nodeid[];
Gets the local face number in element identified by elemid that contains all the nodes supplied by the calling routine in nodeid. nnodes is the number of nodes for the face (3 or 4). Returns -1 if the element is not found or nodeid is not supplied or nnodes is greater than 4 or less than 3. Returns 0 if there is no match, or the local face number (1 to 6) of the element.
Primitive Region Routines The following routines allow for the specification of 2D regions as a group of nodes or faces, or a 3D region as a group of elements. In the case of nodes and faces, only those which are define faces of valid imported elements will be imported; others are ignored by CFX-5. cfxImportBegReg int cfxImportBegReg (regname, regtype) char *regname; int regtype;
Initialise for the specification of a region. If a region is currently being defined, cfxImportEndReg will be called. Page 54
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The name of the region is given by regname. If the region name is NULL, the name Unnamed Region 2D or Unnamed Region 3D, with a sequential integer appended, will be used. If a region named regname has already been defined, then additional objects will be added to the previous region. The type of region is given by regtype, which should be one of cfxImpREG_NODES, cfxImpREG_FACES or cfxImpREG_ELEMS depending on whether the region is to be defined by nodes, faces or elements, respectively. It is not currently possible to mix types in a region; doing so will cause the import API to terminate with an error message. Returns the number of objects (node, faces or elements) currently in the region. cfxImportAddReg int cfxImportAddReg (numobjs, objlist) int numobjs, *objlist;
Add ID’s of objects being defined to the current region. A region must be currently defined or reactivated by cfxImportBegReg or an error will occur, and the API will terminate. The number of objects to add is given by numobjs and the ID’s of the objects are supplied in objlist. The objects are interpreted as node ID’s, face ID’s, or element ID’s, depending on the type of the region indicated when cfxImportBegReg was called. On calling cfxImportDone, any node ID’s , face ID’s or element ID’s specified in the object list must have been defined by the appropriate routine or they will be removed from the region. Returns the total number of objects in the current region after the object ID’s have been added. cfxImportEndReg int cfxImportEndReg ()
End the specification of the current region. Returns the number of objects (nodes, faces or elements) in the region.
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cfxImportRegion int cfxImportRegion (regname, regtype, numobjs, objlist) char *regname; int regtype, numobjs, *objlist;
Import a region named regname of type regtype. The number of objects to add to the region is given by numobjs, and the list of object ID’s by objlist. This routine combines calls to cfxImportBegReg, cfxImportAddReg and cfxImportEndReg. Returns the total number of objects in the region on termination of the routine. cfxImportRegionList char ** cfxImportRegionList ()
Return a NULL terminated list of currently defined region names. The memory for the array and each character string in the array returned is allocated using malloc by the routine, consequently each array member and the array itself should be destroyed when no longer required by calling free. cfxImportGetRegion int * cfxImportGetRegion (regname) char *regname;
Returns a list of objects in the region named regname, or NULL if the region does not exist. The first entry in the returned list is the region type and the second entry is the number of object ID’s. The memory for the array is allocated using malloc by the routine, consequently the array itself should be destroyed when no longer required by calling free.
Composite Regions Routines The following routines allow composite regions to be defined in terms of regions referring to object ID’s or other composite regions. cfxImportBegCompRegion cfxImportBegCompReg() char *regionName; Page 56
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Begin defining a composite region with the name regionName, Returns -1 if a primitive region regionName is already defined or memory couldn’t be allocated, or 0 if successfully created. cfxImportAddCompRegComponents int cfxImportAddCompRegComponents(componentCount,components) int componentCount; char **components;
Add a set of component region names specified in components to the composite region currently being defined. componentCount specified how many components are specified in the components array, Returns -1 if a composite region isn’t being defined or insufficient memory is available to add the components of the composite region, or 0 if the components were successfully added. cfxImportEndCompReg int cfxImportEndCompReg()
Finish defining the current composite region. Returns -1 if a composite region isn’t currently being defined or 0 otherwise. cfxImportCompositeRegion int cfxImportCompositeRegion(regionName, componentCount, components) char *regionName, **components; int componentCount;
Define a composite region named regionName with componentCount components supplied in character array components. Returns 0 if successful or -1 if an error occurred preventing the composite region being defined.
Explicit Node Pairing The following routine provides a method for explicitly marking two nodes as being identical (or in the same position in space).
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cfxImportMap int cfxImportMap (nodeid, mapid) int nodeid, mapid;
Explicitly map the node identified by nodeid to the node identified by mapid. On calling cfxImportDone the Import Mesh API will update regions and elements referencing the mapped node to the node it is mapped to. This therefore reduces the total node count imported to CFX-5 and eliminates the duplicate nodes. Duplicate nodes may also be removed by CFX-5 if the appropriate options are turned on in the CFX-5 interface and an appropriate tolerance set. See Import Mesh Panel (p. 89 in CFX-Pre).
FORTRAN Interface The following routines are callable from FORTRAN, and interface with the corresponding C routine. There are currently no return values. cfxinit call cfxinit
Interface to cfxImportInit. Initialises for import. cfxtest CHARACTER*n filename call cfxtest(filename)
Interface to cfxImportTest. Filename is a CHARACTER*n value which gives the name of the file to dump the output to. cfxdone call cfxdone
Interface to cfxImportDone. Terminates import and transfers the data. cfxnode INTEGER idnode REAL x,y,z call cfxnode(idnode,x,y,z) Page 58
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Interface to cfxImportNode. idnode is an INTEGER value for the node ID, and x, y, and z are the REAL coordinates of the node. cfxelem INTEGER idelem,itelem,nodes(*) call cfxelem(idelem,itelem,nodes)
Interface to cfxImportElement. idelem is element ID, and itelem is the element type (number of nodes - 4,5,6, or 8). Both are INTEGERS. Nodes is an array of INTEGER node ID’s dimensioned of size at least itelem. cfxregn CHARACTER*n regname INTEGER type,nobjs,objs(*) call cfxregn(regname,type,nobjs,objs)
Interface to cfxImportRegion. Regname is a CHARACTER*n string defining the region name, type is an INTEGER value specifying the type of region, either 1 for nodes, 2 for faces, or 3 for elements. Nobjs is an INTEGER value which gives the number of objects in the region, and objs is an INTEGER array of object ID’s dimensioned at least size nobjs.
Unsupported routines previously available in the API In CFX-5.6 certain functionality available in previous releases are no longer supported. These routines have been removed as they are directly implemented in CFX-5. The following is a list of routines removed from the mesh import API: cfxImportFixElements cfxImportTolerance cfxImportGetTol cfxImportSetCheck cfxImportRange cfxImportCheck cfxtol cfxset cfxchk
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Import Programs The following documents the currently available import programs and their command line options. Each of these are available from within the CFX-Pre User Interface and you are strongly advised to use them by selecting the appropriate mesh type on the Import Mesh form, rather than running them directly using the User Import option, wherever possible. See Import Mesh Panel (p. 89 in CFX-Pre) for more details on the Import Mesh form. If you wish to use command line options which cannot be specified through the CFX-Pre User Interface, then you may wish to run these programs as user-defined mesh import programs. See Using your Custom Import Format (p. 45) for details on how to run a mesh import program. The programs can be found in /bin// /, where is the directory in which CFX is installed, is the release number (e.g. 5.6) and is the architecture of the machine that you are running on (e.g. one of solaris, irix, hpux, aix, osf, winnt, linux). To find out what is for your installation, see Specific Directory Names (p. 4 in Installing & Introduction to CFX-5). To find out what is for your machine, see Operating System Names (p. 5 in Installing & Introduction to CFX-5).
TASCflow v2 Imports TASCflow Version 2 files. The external import routine is ImportGRD. The import routine will read the interface information from the GRD file and automatically remove duplicate nodes, thus the duplicate node checking (options -d and -D) is unneeded. Available command line options are: -v Verbose output. Echo additional data to stdout during the import. -V More verbose output. -i Ignore the blockoff file (BCF). -c Ignore GCI file. -o Old style 2.4 format. -b Specifies bcf file which contains blocked-off regions (boundary condition information is ignored. See CFX-TASCflow v2 (p. 93 in CFX-Pre)).
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-g Specifies gci file to import. See CFX-TASCflow v2 (p. 93 in CFX-Pre)). -f Formatted (ASCII) GRD file. -u FORTRAN unformatted GRD file. -3 Import labelled 3-D regions. -M Set the machine type in the case of a binary or unformatted file so that data conversion may be done if needed. The default file format is 32-bit IEEE (Iris, Sun, HP, IBM). The currently recognised machine types are: • IEEE - generic 32-bit IEEE machine. • BSIEEE - generic 32-bit byteswapped IEEE machine. • IBM - IBM 32-bit IEEE. • IRIS - Iris 32-bit IEEE. • HP - HP 32-bit IEEE. • SUN - Sun 32-bit IEEE. • ALPHA - Compaq Tru64 UNIX Alpha 64-bit byte-swapped IEEE. • DOS - DOS 16-bit byte-swapped IEEE. • Compaq Tru64 UNIX - Compaq Tru64 UNIX 32-bit byte-swapped IEEE. • CRAY - Cray 64-bit format. • CONVEX - native Convex floating point format. • Windows - 32-bit Windows. The argument machine type is case insensitive, and only the first 2 characters are needed (any others are ignored).
CFX-5 Def/Res Imports the mesh from a CFX-5 Definition or Results file. The external import routine is ImportDef. Available options are: -v Verbose output. Echo additional data to stdout during the import.
CFX-TfC Imports a CFX-TfC 1.3 mesh file. The external import routine is ImportGEM. CFX-5.6
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Available options are: -v Verbose output. Echo additional data to stdout during the import. -f Input file is formatted. -u Input file is unformatted (FORTRAN). -r Read regions from BFI file. -b Use file as BFI file name instead of default name. -M Set the machine type in the case of a binary or unformatted file so that data conversion may be done if needed. The default file format is 32-bit IEEE (Iris, Sun, HP, IBM). The currently recognised machine types are: • IEEE - generic 32-bit IEEE machine. • BSIEEE - generic 32-bit byteswapped IEEE machine. • IBM - IBM 32-bit IEEE. • IRIS - Iris 32-bit IEEE. • HP - HP 32-bit IEEE. • SUN - Sun 32-bit IEEE. • ALPHA - Compaq Tru64 UNIX Alpha 64-bit byte-swapped IEEE. • DOS - DOS 16-bit byte-swapped IEEE. • Compaq Tru64 UNIX - Compaq Tru64 UNIX 32-bit byte-swapped IEEE. • CRAY - Cray 64-bit format. • CONVEX - native Convex floating point format. • Windows - 32-bit Windows. The argument machine type is case insensitive, and only the first 2 characters are needed (any others are ignored).
CFX-4 Imports a CFX-4 grid file. The external import routine is ImportCFX4. Available options are: -v Verbose output. Echo additional data to stdout during the import. -C Read coordinates as being in cylindrical coordinates. -i Included interfaces in regions. -3 Include USER3D and POROUS regions as 3D regions. Page 62
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-c Import blocked-off conducting solid regions as 3D regions. -l Include blocked-off solid regions as 3D regions. -X Import axisymmetric problem with default values in geometry file. -a Override the number of planes created in the k direction by nk (e.g. split theta with nk planes) for axisymmetric import. -A Create a total sector of theta degrees for axisymmetric import. -S Rename multiple symmetry planes with the same name to conform to CFX-5 Solver requirements (i.e. must lie in a plane).
CFX-5.1 Imports a CFX-5.1 Results File. The external import routine is ImportCFX5. Available options are: -v Verbose output. Echo additional data to stdout during the import. -f Input file is formatted. -u Input file is unformatted (FORTRAN). -M Set the machine type in the case of a binary or unformatted file so that data conversion may be done if needed. The default file format is 32-bit IEEE (Iris, Sun, HP, IBM). The currently recognised machine types are: • IEEE - generic 32-bit IEEE machine. • BSIEEE - generic 32-bit byteswapped IEEE machine. • IBM - IBM 32-bit IEEE. • IRIS - Iris 32-bit IEEE. • HP - HP 32-bit IEEE. • SUN - Sun 32-bit IEEE. • ALPHA - Compaq Tru64 UNIX Alpha 64-bit byte-swapped IEEE. • DOS - DOS 16-bit byte-swapped IEEE. • Compaq Tru64 UNIX - Compaq Tru64 UNIX 32-bit byte-swapped IEEE. • CRAY - Cray 64-bit format. • CONVEX - native Convex floating point format. • Windows - 32-bit Windows. CFX-5.6
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The argument machine type is case insensitive, and only the first 2 characters are needed (any others are ignored).
PATRAN Imports a PATRAN Neutral file. The external import routine is ImportPatran. Reads packet 01 (nodes) as nodes, packet 02 (elements) as elements, and nodes (type 5) from packet 21 (named groups) as regions. A command line option is available to read packet 06 (loads) as regions also. All other packets are read, but not processed. Available options are: -v Verbose output. Echo additional data to stdout during the import. -l Import packet 06 (distributed loads) as regions. The regions will be assigned the name PatranLoadX where the X is replaced by the load ID number.
I-DEAS Imports an I-DEAS Universal file from SDRC. The external import routine is ImportIDEAS. Reads datasets 781 and 2411 (nodes) as nodes, 780 and 2412 (elements) as elements, and nodes (type 7) from datasets 752 and 2417 (permanent groups) as regions. All other datasets are read, but not processed. Available options are: -v Verbose output. Echo additional data to stdout during the import. -n Import nodes in a PERMANENT group as a 2D region. -l Import elements in a PERMANENT group as a 3D region. -f Import faces in a PERMANENT group as a 2D region.
GridPro/az3000 Imports a GridPro/az3000 grid and connectivity file from Program Development Corporation (PDC).
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The external import routine is ImportPDC. The import routine will attempt to determine the connectivity file associated with the grid file by appending the extension conn to the grid file name. If the file is not found, then the grid file name extension will be replaced by conn and the new file checked for. If neither of these are found, the import routine will look for a file named conn.tmp, and if found will use it. A command line option (-c) is also available to explicitly name the connectivity file. If a connectivity file is found, the interface information in the file will be used to eliminate the duplicate nodes at block interfaces, and boundaries conditions will be imported as regions into CFX-5. If the boundary condition is named in the connectivity file, then that name will be used for the region name, else the default name UnnamedRegionX with the X replaced by a number will be used. If a connectivity file is not found, or the command line option to ignore the connectivity file is given (-i), then only the grid file will be imported, resulting in duplicate nodes at the block interfaces. You may then wish to eliminate these duplicate nodes with the command line option (-d or -D). Available options are: -v Verbose output. Echo additional data to stdout during the import. -i Ignore the connectivity file. Duplicate nodes will result and no regions will be imported. -c Set the name of the connectivity file associated with the grid file to connfile. -p Include periodic boundary conditions as regions. These are not normally included in the import. Setting this flag will result in these being imported as regions. -q Read from the property file -P Set the name of the property file associated with the grid file to propfile. -3 Import grid blocks as 3-D regions
NASTRAN Imports a NASTRAN file. The external import routine is ImportMSC. Currently reads only nodes (GRID), tet (CTETRA) and hex (CHEXA) elements. Available options are: -v Verbose output. Echo additional data to stdout during the import. CFX-5.6
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-l Import PLOAD4 datasets as 2D regions. -s Import 3D regions.
ICEM CFX Imports a file written for CFX-5 by ICEM Tetra. The external import routine is ImportICEM. Available options are: -v Verbose output. Echo additional data to stdout during the import. -P Read coordinate data from a binary file as double precision.
ANSYS Imports an ANSYS file The external import routine is ImportANSYS. Available options are: -v Verbose output. Echo additional data to stdout during the import. -l Process packet 6 (distributed loads).
CGNS Imports an CGNS file The external import routine is ImportCGNS. Available options are: -v Verbose output. Echo additional data to stdout during the import. -b Read a grid from the specific CGNS base. -B Read all CGNS bases. (default) -c Read BOCO information as 2D regions. SplitCGNS.exe The SplitCGNS.exe program will take a single CGNS file and split it into multiple files on a "file per problem basis". The method for running this is: SplitCGNS.exe [ -l ] If the file contains two problems called "Pipe" and "Elbow", the import filter will only currently read "Pipe", but using SplitCGNS will produce two files called basename_Pipe.cgns and basename_Elbow.cgns each containing a single problem which can then be selected for import via the normal method. Page 66
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Specifying the "-l" option "links" the part of the data in the original file to the created file using a relative pathname. The created file does not therefore need to duplicate data. The "-l" option should only be used if the original file and resulting files are going to be kept relative to each other i.e. if when SplitCGNS was run the original file was in ../../example.cgns, it must always remain in this position relative to the created files.
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CFX-Pre CCL Details • Using the CCL Content Documentation p. 70 • CCL Objects p. 71 • CCL Parameters p. 277
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Using the CCL Content Documentation This document is generated from the RULES file in the / etc/ directory. It contains a description of all the possible CCL objects and parameters. This includes currently unsupported models, use of which may cause incorrect results or Solver failure. If you cannot set an option in CFX-Pre, but find it defined here, then we recommend contacting CFX support before using it in a simulation.
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CCL Objects ADAPTION ADVANCED OPTIONS Description Singleton Object: Allowed Parameters Essential Parameters Node Allocation Parameter : Number of Adaption Levels : Adapt To Geometry :
ADAPTION CONVERGENCE CRITERIA Description Singleton Object: Allowed Parameters Essential Parameters Maximum Iterations per Step : Option : Adaption Target Residual : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: RMS Norm for Residuals, MAX Norm for Residuals
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ADAPTION CRITERIA Description Singleton Object: Allowed Parameters Essential Parameters Variables List : Maximum Number of Adaption Steps : Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Multiple of Initial Mesh, Final Number of Nodes Option = Final Number of Nodes Essential Parameters Number of Nodes in Adapted Mesh : Option = Multiple of Initial Mesh Essential Parameters Node Factor :
ADDITIONAL VARIABLE Description Named Object: Hold information specific to a single additional variable. This object is used in a number of different contexts, including the specification of boundary conditions, sources, initial conditions, etc. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Definition, Automatic, Automatic with Value, Default, Value, Zero Flux, Flux in, Wall Flux in, Conservative Interface Flux, Transfer Coefficient, Wall Transfer Coefficient, Domain Interface, Source, Flux, Transport Equation, Diffusive Transport Equation, Algebraic Equation, Vector Algebraic Equation, Domain Transport Equation, Diffusive Domain Transport Equation, Domain Algebraic Equation, Fluid Dependent Option = Algebraic Equation Essential Parameters Additional Variable Value : Additional Variable Value
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Option = Domain Algebraic Equation Essential Parameters Additional Variable Value : Additional Variable Value Option = Vector Algebraic Equation Essential Parameters Vector xValue : x component of vector expression. Vector yValue : y component of vector expression. Vector zValue : z component of vector expression. Option = Diffusive Transport Equation Essential Parameters Kinematic Diffusivity : Option = Flux in Essential Parameters Additional Variable Flux : Additional Variable Flux value. Option = Wall Transfer Coefficient Essential Parameters Additional Variable Value : Additional Variable Value Transfer Coefficient : Option = Source Optional Parameters Additional Variable Source : Additional Variable Source value. Additional Variable Source Coefficient : Additional Variable Source Coefficient value. Option = Flux Optional Parameters Additional Variable User Flux : Additional Variable Flux value as defined by a user-defined function. NOTE - This is a CCL-only feature. Additional Variable User Flux Coefficient : Additional Variable Flux Coefficient value as defined by a user-defined function. NOTE - This is a CCL-only feature. Page 74
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Option = Wall Flux in Essential Parameters Additional Variable Flux : Additional Variable Flux value. Option = Definition Default Parameters Variable Type : Units : Tensor Type : Option = Value Essential Parameters Additional Variable Value : Additional Variable Value Option = Domain Transport Equation Optional Sub-Objects EQUATION PROPERTIES FOR FLUID : This object defines equationspecific properties for fluids Option = Automatic with Value Essential Parameters Additional Variable Value : Additional Variable Value Option = Diffusive Domain Transport Equation Optional Sub-Objects EQUATION PROPERTIES FOR FLUID : This object defines equationspecific properties for fluids Option = Transfer Coefficient Essential Parameters Additional Variable Value : Additional Variable Value Transfer Coefficient : Option = Transport Equation Default Parameters CFX-5.6
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Kinematic Diffusivity :
ADDITIONAL VARIABLE PAIR Description Named Object: Specifies additional variable transfer model between a fluid pair containing additional variables of the same type and dimensions. Allowed Parameters Essential Parameters Option : Optional Parameters Under Relaxation Factor : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Additional Variable Transfer Coefficient, Sherwood Number, Ranz Marshall, Hughmark, Interface Flux, Two Resistance Option = Interface Flux Essential Parameters Fluid1to2 Additional Variable Flux : Value part of flux from first fluid to second. Fluid1 Additional Variable Flux Coefficient : First fluid add. var. coefficient part of flux from first fluid to second. Fluid2 Additional Variable Flux Coefficient : Second fluid add.var. coefficient part of flux from first fluid to second. Option = Sherwood Number Essential Parameters Sherwood Number :
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Option = Additional Variable Transfer Coefficient Essential Parameters Additional Variable Transfer Coefficient : Option = Two Resistance Essential Sub-Objects FLUID1 ADDITIONAL VARIABLE TRANSFER : Specifies additional variable transfer model to first fluid of a fluid pair. FLUID2 ADDITIONAL VARIABLE TRANSFER : Specifies additional variable transfer model to second fluid of a fluid pair.
ADDITIONAL VARIABLES CONTROL Description Singleton Object: Holds information specific to additional variables for dynamic model control. Allowed Parameters Optional Parameters Transition Iteration :
ADVECTION SCHEME Description Singleton Object: Defines the scheme used by the solver to discretise the advection term in transport equations. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option CFX-5.6
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Allowed Context Settings: Specified Blend Factor, High Resolution, Compressive, Upwind, Central Difference, Second Order Upwind, QUICK Option = Compressive Optional Parameters Blend Factor Relaxation : Under-relaxation factor for the NAC term multiplier Blend Factor Relaxation Option : Relaxation option (1=always, 2=increasing only) Freestream Damping : Gradient Relaxation : Gradient Type : Mach Blending : Determines whether density advection blends with CDS at low Mach numbers. Option = Specified Blend Factor Essential Parameters Blend Factor : Specifies the blend between pure UDS (0.0) and second order (1.0) discretisation. Optional Parameters Gradient Relaxation : Gradient Type : Mach Blending : Determines whether density advection blends with CDS at low Mach numbers. Option = High Resolution Optional Parameters Blend Factor Relaxation : Under-relaxation factor for the NAC term multiplier Blend Factor Relaxation Option : Relaxation option (1=always, 2=increasing only) Maximum Blend Factor : Freestream Damping : Gradient Relaxation : Page 78
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Gradient Type : Mach Blending : Determines whether density advection blends with CDS at low Mach numbers. Option = Central Difference Optional Parameters Mach Blending : Determines whether density advection blends with CDS at low Mach numbers. Option = Upwind Optional Parameters Mach Blending : Determines whether density advection blends with CDS at low Mach numbers. Option = Second Order Upwind Optional Parameters Gradient Relaxation : Mach Blending : Determines whether density advection blends with CDS at low Mach numbers. Option = QUICK Optional Parameters Gradient Relaxation : Mach Blending : Determines whether density advection blends with CDS at low Mach numbers.
ALGEBRAIC SLIP MODEL Description Singleton Object: Defines the type of Algebraic Slip Model being used Allowed Parameters Essential Parameters Option :
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Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Slip Velocity, Drag Force Balance Option = Drag Force Balance Essential Sub-Objects DRAG FORCE : Specifies drag force between two phases. Essential Parameters Mean Diameter : Option = Slip Velocity Essential Parameters Slip Vel u : Slip Vel v : Slip Vel w :
ASSEMBLY Description Named Object: Links 3D primitives to their parent mesh assembly Allowed Sub-Objects Optional Sub-Objects PRIMITIVE3D : Links 2D primitives to their parent 3D primitive, is also a wireframe. Allowed Parameters Optional Parameters Name Strategy : sets the naming convention for assembly and copies
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BACKUP RESULTS Description Named Object: Defines the frequency and type of backup files created during a solver run. Allowed Parameters Essential Parameters Option : Optional Parameters Iteration List : Iteration Interval : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Selected Variables,Smallest, Essential, Full Option = Selected Variables Essential Parameters Output Variables List : Optional Parameters Output Variable Operators : Sets whether or not variable gradients and High Resolution "Beta" Fields are output to results files. Output Boundary Flows : Sets whether or not boundary equation flows are output to results files. If these are in minimal files then accurate calculations of forces are possible in CFX-Post. Option = Smallest Optional Parameters Output Variable Operators : Sets whether or not variable gradients and High Resolution "Beta" Fields are output to results files.
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Output Boundary Flows : Sets whether or not boundary equation flows are output to results files. If these are in minimal files then accurate calculations of forces are possible in CFX-Post. Option = Essential Optional Parameters Output Boundary Flows : Sets whether or not boundary equation flows are output to results files. If these are in minimal files then accurate calculations of forces are possible in CFX-Post. Option = Full Optional Parameters Output Boundary Flows : Sets whether or not boundary equation flows are output to results files. If these are in minimal files then accurate calculations of forces are possible in CFX-Post.
BACKWARD REACTION RATE Description Singleton Object: Defines the backwards rate for a chemical reaction. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Expression, Arrhenius, Arrhenius with Temperature PDF, Equilibrium Option = Expression Essential Parameters Reaction Rate : Molar Reaction Rate
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Option = Arrhenius Essential Parameters Pre Exponential Factor : Pre-exponential factor for Arrhenius reaction rate. Temperature Exponent : Optional Parameters Activation Energy : Activation Energy of a reaction. Activation Temperature : Activation Temperature of a reaction. Option = Arrhenius with Temperature PDF Essential Parameters Temperature Limit List : Pre Exponential Factor : Pre-exponential factor for Arrhenius reaction rate. Temperature Exponent : Optional Parameters Activation Energy : Activation Energy of a reaction. Activation Temperature : Activation Temperature of a reaction.
BODY FORCES Description Singleton Object: Defines the details of discretisation of body forces. Allowed Parameters Optional Parameters Body Force Averaging Type : Method to average body forces to elements Body Force Fluid Type : Volume Fraction Averaging Type : Method to average volume fractions to elements
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BOUNDARY Description Named Object: The main object for storing boundary conditions and other model settings on an external two dimensional region. Allowed Sub-Objects Optional Sub-Objects WALL CONTACT MODEL : Specifies model for fluid-wall contact and bulk boundary conditions at walls in multi-fluid flow. BOUNDARY CONDITIONS : Specifies boundary conditions for all equations being solved. NON OVERLAP CONDITIONS : Specifies boundary conditions on non overlap regions of a domain interface. NOTE: Not currently implemented in the solver. FLUID : This object encloses fluid-specific models and data. FLUID PAIR : Specifies interface physics for a given fluid pair. SOURCES : Holds the definition of sources for one or more equations. Allowed Parameters Essential Parameters Boundary Type : Internal parameter tells the type of the boundary. Optional Parameters Location : A locator name. Interface Boundary : Defines whether a boundary is of type interface. Location Path List : a path list of locators Show Label : If true display label Show Marker : If true display marker Default Parameters Coord Frame : Local coordinate frame for computing expressions. The default at the top level of the command data structure is Coord 0, that is no transformation. The default at lower levels is to inherit the value from objects higher up the structure. Page 84
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Frame Type : Sets the frame in which velocity components or flow direction components are specified. If set to Rotating then the components are in the relative frame. If set to Stationary then the components are in the absolute frame of reference.
BOUNDARY CONDITIONS Description Singleton Object: Specifies boundary conditions for all equations being solved. Allowed Sub-Objects Optional Sub-Objects EMISSIVITY : The specification of radiative emissivity. REFLECTIVITY : Sets the reflectivity for radiation on a boundary. FLOW REGIME : States if a boundary is subsonic or supersonic MASS AND MOMENTUM : Specifies conditions on Mass and Momentum at a boundary. VELOCITY : Sets velocity part of mass and momentum boundary condition PRESSURE AVERAGING : Controls details of how pressure is averaged over an outlet. FLOW DIRECTION : Sets the velocity direction imposed at a boundary. LOSS COEFFICIENT : Defines the Loss Coefficient to be applied at an opening boundary. TURBULENCE : Sets conditions on turbulence at a boundary. COMPONENT : Hold information specific to a single component of a multi-component fluid. This object is used in a number of different contexts, including the specification of boundary conditions, sources, initial conditions, etc. WALL INFLUENCE ON FLOW : Specifies wall velocity or slip conditions at a boundary. WALL ROUGHNESS : Sets wall roughness on a wall boundary condition. CFX-5.6
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HEAT TRANSFER : Specifies heat transfer conditions at a boundary. TEMPERATURE VARIANCE : Defines data specific to the Temperature Variance equation. THERMAL RADIATION : Sets the conditions on Thermal Radiation at a boundary ADDITIONAL VARIABLE : Hold information specific to a single additional variable. This object is used in a number of different contexts, including the specification of boundary conditions, sources, initial conditions, etc. VOLUME FRACTION : Sets boundary condition or initial condition on volume fraction WALL CONTACT AREA : Specifies fluid-wall contact area for a given fluid under the WALL CONTACT MODEL: Option=Specify Area Fraction. MIXTURE : Specification of Fuel/Oxidiser mixture at a boundary. REACTION PROGRESS : Defines initialisation of the reaction progress variable. SOOT : Defines initialisation of Soot. WALL ADHESION : Specifies surface tension wall conditions at a boundary. PARTICLE POSITION : Defines how particle positions are to be distributed on a boundary. PARTICLE DIAMETER DISTRIBUTION : Defines the size distribution for a particle group. PARTICLE MASS FLOW RATE : Defines the mass flow rate for a group of particles. MESH MOVEMENT : Defines the movement or displacement of mesh at a boundary. NOTE - Not fully supported by the solver. Allowed Parameters Optional Parameters Define Particle Data : Defines whether particle data is set on this boundary
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BUILT IN Description Named Object: Declares an intrinsic physics check in CFX-Pre. Allowed Sub-Objects Essential Sub-Objects CASE : Defines a specific physics check in CFX-Pre. Allowed Parameters Essential Parameters Physics Path : This is the CCL path for checking within the CUE physics checker Optional Parameters Physics Result : The logical expression for the result of a Physics Check. Physics Description : A description of the check that was performed in the CUE Physics checker. CheckParm : The name of the Parameter within a CCL path that is to be checked.
BULK SOURCE DISTRIBUTION Description Singleton Object: Model for contribution of a bulk source to given fluid. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option CFX-5.6
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Allowed Context Settings: Distribution Factor, Constraint Option = Distribution Factor Essential Parameters Distribution Factor :
BULK SOURCES Description Singleton Object: Specifies bulk sources in multi-fluid flow. Allowed Sub-Objects Optional Sub-Objects MOMENTUM SOURCE : Holds source terms for momentum. EQUATION SOURCE : Specifies a source for the named equation. For mass equation use option Fluid Mass Source, or Total Fluid Mass Source. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Use Volume Fraction
BUOYANCY MODEL Description Singleton Object: Defines type of buoyancy model and gravity vector in a domain.
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Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Non Buoyant, Buoyant Option = Buoyant Essential Parameters Gravity X Component : Gravity Y Component : Gravity Z Component : Optional Parameters Buoyancy Reference Temperature : Buoyancy Reference Temperature Buoyancy Reference Density : Buoyancy Reference Density
CAMERA Description Named Object: Defines a camera that can be used to specify the current view in the VIEWER object. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Pivot Point and Quaternion, Pivot Point and Rotation CFX-5.6
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Option = Pivot Point and Quaternion Optional Parameters Pivot Point : Defines the center of rotation (pivot point) for the camera. Rotation Quaternion : Defines the camera rotation quaternion. Scale : Pan : Defines the camera pan in screen (X, Y) coordinates, with positive X pointing right and positive Y pointing up. Option = Pivot Point and Rotation Optional Parameters Pivot Point : Defines the center of rotation (pivot point) for the camera. Rotation : Scale : Pan : Defines the camera pan in screen (X, Y) coordinates, with positive X pointing right and positive Y pointing up.
CARTESIAN COORDINATES Description Singleton Object: Position vector specified by cartesian components. Allowed Parameters Essential Parameters X : The X coordinate value for the location of this object. Y : The Y coordinate value for the location of this object. Z : The Z coordinate value for the location of this object.
CARTESIAN VELOCITY COMPONENTS Description Singleton Object: Defines initialisation of velocity by Cartesian components.
CASE Description Named Object: Defines a specific physics check in CFX-Pre. Allowed Parameters Essential Parameters Physics Type : The type of Physics check that is to be performed. Optional Parameters CaseParmPath : The CCL path of a parameter for reference within a CASE object. CaseParmName : The name of a CCL parameter for reference within a CASE object. Relevant Object : This is used to generate error messages for the Physics Validator. Context Sensitive Settings Context Controlling Parameter: Physics Type Allowed Context Settings: Dependency, Required Parameter, Required Object Physics Type = Required Object Essential Parameters CCL Object : The path of the CCL object that is to be Validated using the CUE Physics Checker. Object Exists : Logical specifying if a Physics Check object exists. Physics Type = Dependency Essential Parameters CCL Parameter : The path of the CCL parameter that is to be Validated using the CUE Physics Checker. Physics Value List : A list of possible value for a Physics Check.
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Physics Type = Required Parameter Essential Parameters CCL Parameter : The path of the CCL parameter that is to be Validated using the CUE Physics Checker. Parameter Exists : Logical specifying if a Physics Check parameter exists.
CAVITATION MODEL Description Singleton Object: Specifies the cavitation model. Allowed Parameters Essential Parameters Option : Optional Parameters Cavitation Rate Under Relaxation Factor : Cavitation rate underrelaxation factor Cavitation Pressure Coefficient Factor : Scale factor for cavitation rate pressure coefficient Maximum Density Ratio : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: User Defined, Rayleigh Plesset Option = User Defined Essential Parameters Cavitation Rate : Cavitation mass transfer rate from fluid 1 to 2 Saturation Pressure : Saturation pressure for cavitation of a pure substance. Option = Rayleigh Plesset Essential Parameters CFX-5.6
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Mean Diameter : Saturation Pressure : Saturation pressure for cavitation of a pure substance. Optional Parameters Cavitation Condensation Coefficient : Parameter in cavitation model for condensation Cavitation Vaporization Coefficient : Parameter in cavitation model for vaporisation Nuclei Volume Fraction :
CCL2FLOW Description Singleton Object: Container object for ccl2flow-only data. Allowed Sub-Objects Optional Sub-Objects STANDARD OBJECT : Defines named objects to ccl2flow
CCLSETUP Description Singleton Object: Internal parameter settings for CCL to solver data structure processing Allowed Parameters Optional Parameters Catalogue Memory Factor : Increases memory for MMS catalogue in CCLSETUP in case default estimate is insufficient. Character Memory Factor : Integer Memory Factor : Logical Memory Factor : Real Memory Factor : Page 94
CEL Description Singleton Object: Stores user-defined CFX Command Language functions and expressions. Allowed Sub-Objects Optional Sub-Objects FUNCTION : The definition of a user-defined CFX Expression Language function. EXPRESSIONS : Definition of CFX Command Language Expressions
CHECK Description Named Object: Declares a data-driven physics check in CFX-Pre. Allowed Sub-Objects Essential Sub-Objects CASE : Defines a specific physics check in CFX-Pre. Allowed Parameters Essential Parameters Physics Path : This is the CCL path for checking within the CUE physics checker Physics Result : The logical expression for the result of a Physics Check. Physics Description : A description of the check that was performed in the CUE Physics checker. Optional Parameters CFX-5.6
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CheckValue : The allowable value of a Parameter within a particular CCL path. CheckParm : The name of the Parameter within a CCL path that is to be checked. Secondary Physics Path : This is a CCL path for checking within the CUE physics checker, different from the Physics path
COARSENING CONTROL Description Singleton Object: Holds parameters to control creation of the radiation coarse grid. Allowed Parameters Optional Parameters Target Coarsening Rate : Target coarsening rate for radiation solver Minimum Blocking Factor : Minimum blocking factor per level for coarsening Maximum Blocking Factor : Maximum blocking factor per level for coarsening Small Coarse Grid Size : Size at which to stop coarsening a grid Diagnostic Output Level : Diagnostic Output Level
COMBUSTION CONTROL Description Singleton Object: Holds information specific to combustion for dynamic model control. Allowed Parameters Optional Parameters Transition Iteration :
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COMBUSTION MODEL Description Singleton Object: Defines the combustion model to be used. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: None, Eddy Dissipation, Finite Rate Chemistry, Finite Rate Chemistry and Eddy Dissipation, Laminar Flamelet with PDF, Partially Premixed and Laminar Flamelet with PDF, Fluid Dependent Option = Eddy Dissipation Optional Parameters Eddy Dissipation Model Coefficient A : Eddy Dissipation Model Coefficient A Eddy Dissipation Model Coefficient B : Eddy Dissipation Model Coefficient B Chemical Timescale : Chemical Timescale Limit For Extinction Extinction Temperature : Extinction-Ignition Temperature Mixing Rate Limit : Eddy Dissipation Mixing Rate Upper Limit Option = Partially Premixed and Laminar Flamelet with PDF Optional Parameters Mixture Fraction Turbulent Schmidt Number : Mixture Fraction Variance Turbulent Schmidt Number : Scalar Dissipation Rate Coefficient Cxi : Reaction Progress Turbulent Schmidt Number : Turbulent Schmidt Number for Reaction Progress Equation
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Quenching Critical Velocity Gradient : Critical Velocity Gradient for Quenching Model Quenching Variance Factor : Factor for Turbulence Eddy Dissipation Variance for Quenching Model Turbulent Flame Speed Factor : Coefficient for Turbulent Flame Speed Closure (TFC) Option = Laminar Flamelet with PDF Optional Parameters Mixture Fraction Turbulent Schmidt Number : Mixture Fraction Variance Turbulent Schmidt Number : Scalar Dissipation Rate Coefficient Cxi : Option = Finite Rate Chemistry Optional Parameters Chemical Timescale : Chemical Timescale Limit For Extinction Extinction Temperature : Extinction-Ignition Temperature Option = Finite Rate Chemistry and Eddy Dissipation Optional Parameters Eddy Dissipation Model Coefficient A : Eddy Dissipation Model Coefficient A Eddy Dissipation Model Coefficient B : Eddy Dissipation Model Coefficient B Chemical Timescale : Chemical Timescale Limit For Extinction Extinction Temperature : Extinction-Ignition Temperature Mixing Rate Limit : Eddy Dissipation Mixing Rate Upper Limit
COMMAND FILE Description Singleton Object: Stores the Version of the current command file.
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Allowed Parameters Optional Parameters Version :
COMPONENT Description Named Object: Hold information specific to a single component of a multi-component fluid. This object is used in a number of different contexts, including the specification of boundary conditions, sources, initial conditions, etc. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value, Mass Fraction, Mass Flow Rate, Mass Transfer Coefficient, Conservative Interface Flux, Source, Flux, Transport Equation, Algebraic Slip Deposition, Algebraic Equation, Library, Constraint Option = Mass Transfer Coefficient Optional Parameters Mass Concentration : Transfer Coefficient : Option = Mass Flow Rate Optional Parameters Mass Flow Rate : Option = Automatic with Value Essential Parameters CFX-5.6
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Mass Fraction : Option = Value Essential Parameters Mass Fraction : Option = Constraint Optional Parameters Kinematic Diffusivity : Option = Algebraic Equation Essential Parameters Mass Fraction : Optional Parameters Kinematic Diffusivity : Option = Mass Fraction Optional Parameters Mass Fraction : Option = Source Optional Parameters Mass Source : Mass Source Coefficient : Option = Transport Equation Optional Sub-Objects ALGEBRAIC SLIP MODEL : Defines the type of Algebraic Slip Model being used Default Parameters Kinematic Diffusivity : Option = Flux Optional Parameters Mass Flux : Page 100
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Mass Flux Coefficient :
COMPONENT PAIR Description Named Object: Specifies species mass transfer between a fluid pair. Allowed Sub-Objects Optional Sub-Objects INTERFACIAL EQUILIBRIUM MODEL : Specifies equilibrium model for species and AV transfer. Allowed Parameters Essential Parameters Option : Optional Parameters Under Relaxation Factor : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Mass Transfer Coefficient, Sherwood Number, Ranz Marshall, Hughmark, Two Resistance Option = Mass Transfer Coefficient Essential Parameters Mass Transfer Coefficient : Option = Sherwood Number Essential Parameters Sherwood Number : Option = Two Resistance Essential Sub-Objects CFX-5.6
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FLUID1 SPECIES MASS TRANSFER : Specifies species mass transfer model to first fluid of a fluid pair. FLUID2 SPECIES MASS TRANSFER : Specifies species mass transfer model to first fluid of a fluid pair.
CONVERGENCE CONTROL Description Singleton Object: Holds basic parameters that affect solver convergence. Allowed Parameters Optional Parameters Solid Timescale Control : Timescale Control : Maximum Number of Coefficient Loops : Minimum Number of Coefficient Loops : Maximum Number of Iterations : Minimum Number of Iterations : Residual Relaxation Initial Value : Initial residual relaxation value. Residual Relaxation Iterations : Number of iteration to relax residuals. Context Sensitive Settings Context Controlling Parameter: Timescale Control Allowed Context Settings: Physical Timescale, Local Timescale Factor, Auto Timescale Timescale Control = Local Timescale Factor Essential Parameters Local Timescale Factor : Optional Parameters Solid Timescale : Page 102
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Solid Timescale Factor : Timescale Control = Physical Timescale Essential Parameters Physical Timescale : Optional Parameters Solid Timescale : Solid Timescale Factor : Timescale Control = Auto Timescale Optional Parameters Length Scale Option : Option for calculating Auto Timestep length scale. Conservative uses the cube root of the fluid volume, and Aggressive uses the maximum extent of the fluid volume. Length Scale : Specified length scale for Auto Timestep Maximum Timescale : Timescale Ramping Factor : Timescale Update Frequency : Number of Timescale Updates : Solid Timescale : Solid Timescale Factor :
CONVERGENCE CRITERIA Description Singleton Object: Specifies the criteria for final solution convergence. Allowed Parameters Essential Parameters Residual Type : Residual Target : Optional Parameters
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Conservation Target : The maximum relative equation imbalance for convergence.
COORD FRAME Description Named Object: Defines a coordinate frame which can be used for setting direction and axis specifications. Allowed Parameters Optional Parameters Reference Coord Frame : The Coordinate Frame in which the physical locations used to set this coordinate frame are described. Coord Frame Type : Specifies if a Coordinate Frame is Cartesian or Cylindrical. Origin X Coord : The X location of the coordinate frame origin. Origin Y Coord : The Y location of the coordinate frame origin. Origin Z Coord : The Z location of the coordinate frame origin. Axis 3 Point X Coord : The X location of the point in the Z axis of the coordinate frame. Axis 3 Point Y Coord : The Y location of the point in the Z axis of the coordinate frame. Axis 3 Point Z Coord : The Z location of the point in the Z axis of the coordinate frame. Plane 13 Point X Coord : The X location of the a point in the XZ plane of the coordinate frame. Plane 13 Point Y Coord : The Y location of the a point in the XZ plane of the coordinate frame. Plane 13 Point Z Coord : The Z location of the a point in the XZ plane of the coordinate frame. Visibility : Toggles the visibility of this graphics object in the viewer. Default Parameters Reference Coord Frame : The Coordinate Frame in which the physical locations used to set this coordinate frame are described. Page 104
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Coord Frame Type : Specifies if a Coordinate Frame is Cartesian or Cylindrical.
CYLINDRICAL VELOCITY COMPONENTS Description Singleton Object: Defines initialisation of velocity by Cylindrical components. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value Option = Automatic with Value Essential Parameters Velocity r Component : Velocity Theta Component : Velocity Axial Component : Optional Parameters Velocity Fluctuation : Velocity Fluctuation Axis Type : Specifies if we are using a Coordinate Axis or Two points to define the axis (only two point axis specification is currently supported) Rotation Axis : Coordinate Frame Axis for rotating domains or cylindrical boundary condition specification Rotation Axis From : First
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Option = Value Essential Parameters Velocity r Component : Velocity Theta Component : Velocity Axial Component : Optional Parameters Velocity Fluctuation : Velocity Fluctuation Axis Type : Specifies if we are using a Coordinate Axis or Two points to define the axis (only two point axis specification is currently supported) Rotation Axis : Coordinate Frame Axis for rotating domains or cylindrical boundary condition specification Rotation Axis From : First
DATA READER Description Singleton Object: This object contains the temporary directory path. It is used by the "load" action. Allowed Parameters Essential Parameters Temporary Directory : The path to a temporary working directory which CFX-Pre can use for placing temporary files. This directory does not have to exist between runs of CFX-Post, and the contents will be deleted when Post shuts down. Page 106
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DIRECTION Description Singleton Object: Defines the direction used for radiation boundary conditions. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Cartesian Components, Cylindrical Components, Normal to Boundary Condition Option = Cartesian Components Essential Parameters Unit Vector X Component : Unit Vector Y Component : Unit Vector Z Component : Option = Cylindrical Components Essential Parameters Unit Vector r Component : Unit Vector Theta Component : Unit Vector Axial Component : Optional Parameters Axis Type : Specifies if we are using a Coordinate Axis or Two points to define the axis (only two point axis specification is currently supported) Rotation Axis : Coordinate Frame Axis for rotating domains or cylindrical boundary condition specification Rotation Axis From : First
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DOMAIN Description Named Object: Holds the definition of physical models, boundary conditions, and sources for a mesh assembly. Allowed Sub-Objects Optional Sub-Objects DOMAIN MODELS : Defines the physical models that are associated with the domain. FLUID : This object encloses fluid-specific models and data. FLUID MODELS : Defines the model details that operate on individual fluids within the domain. MULTIPHASE MODELS : Defines the overall models that control the interaction of two or more phases. SOLID MODELS : Defines the model details that operate on the solids within the domain. FLUID PAIR : Specifies interface physics for a given fluid pair. INITIALISATION : Defines the initialisation of flow-field variables. SUBDOMAIN : Stores sources and other local modifications in a specific three dimensional region. SOURCE POINT : Location and specification of a point source. BOUNDARY : The main object for storing boundary conditions and other model settings on an external two dimensional region. SOLVER CONTROL : Holds all objects that control discretisation and execution of the solution process. Allowed Parameters Optional Parameters Fluids List : Auxiliary Fluids List : NOTE - This is a CCL-only feature. Particles List : Solids List : Page 108
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Location : A locator name. Show Label : If true display label Const Physics Param : Default Parameters Coord Frame : Local coordinate frame for computing expressions. The default at the top level of the command data structure is Coord 0, that is no transformation. The default at lower levels is to inherit the value from objects higher up the structure. Domain Type :
DOMAIN DEFORMATION Description Singleton Object: Defines the method to deform a moving mesh. NOTE - Not fully supported by the solver. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Explicit Mesh Movement, Boundary Mesh Movement
DOMAIN INTERFACE Description Named Object: Defines the location and model details for connecting two disconnected two dimensional regions. Allowed Sub-Objects Optional Sub-Objects CFX-5.6
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INTERSECTION CONTROL : Holds advanced parameters to control the details of interface discretisation. Allowed Parameters Optional Parameters Interface Region List1 : A list of regions used on the first side of the domain interface Interface Region List2 : A list of regions used on the second side of the domain interface Interface Type : Boundary List1 : The list of boundaries on side one of a domain interface. Boundary List2 : The list of boundaries on side two of a domain interface. Context Sensitive Settings Context Controlling Parameter: Interface Type Allowed Context Settings: Fluid Fluid, Fluid Solid, Periodic, Solid Solid Interface Type = Fluid Fluid Essential Sub-Objects INTERFACE MODELS : Holds the definition of models specific to an interface. Optional Parameters Axis Type : Specifies if we are using a Coordinate Axis or Two points to define the axis (only two point axis specification is currently supported) Rotation Axis : Coordinate Frame Axis for rotating domains or cylindrical boundary condition specification Rotation Axis From : First
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Periodic Type : Axis Type : Specifies if we are using a Coordinate Axis or Two points to define the axis (only two point axis specification is currently supported) Rotation Axis : Coordinate Frame Axis for rotating domains or cylindrical boundary condition specification Rotation Axis From : First
DOMAIN MODELS Description Singleton Object: Defines the physical models that are associated with the domain. Allowed Sub-Objects Optional Sub-Objects BUOYANCY MODEL : Defines type of buoyancy model and gravity vector in a domain. COMBUSTION MODEL : Defines the combustion model to be used. DOMAIN DEFORMATION : Defines the method to deform a moving mesh. NOTE - Not fully supported by the solver.
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DOMAIN MOTION : Defines the motion of a mesh relative to an absolute coordinate frame. NOTE - Translating domains are not supported by the solver. REFERENCE PRESSURE : Sets the Reference Pressure in the Domain. TIME DURATION : Specifies the length of time to be simulated in a transient analysis.
DOMAIN MOTION Description Singleton Object: Defines the motion of a mesh relative to an absolute coordinate frame. NOTE - Translating domains are not supported by the solver. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Stationary, Rotating, Translating Option = Rotating Essential Parameters Angular Velocity : Rotating speed for a rotating domain or wall Optional Parameters Rotational Offset : Controls the amount by which the child side domain on a GGI interface is rotated before the intersection is calculated. Axis Type : Specifies if we are using a Coordinate Axis or Two points to define the axis (only two point axis specification is currently supported) Rotation Axis : Coordinate Frame Axis for rotating domains or cylindrical boundary condition specification Page 112
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Rotation Axis From : First
DRAG FORCE Description Singleton Object: Specifies drag force between two phases. Allowed Parameters Essential Parameters Option : Optional Parameters Linearisation Scheme : Under Relaxation Factor : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Drag Coefficient, Schiller Naumann, Stokes, Stokes Newton, Newton, Ishii Zuber, Grace, Wen Yu, Gidaspow, None Option = Grace Optional Parameters
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Volume Fraction Correction Exponent : Exponent for volumefraction dependence of drag force. Omission of this parameter, or a unit exponent, are equivalent to no correction. Typical exponent values for dense concentrations are -1.65 for solids, 4 for bubbles. Minimum Volume Fraction for Correction : Option = Stokes Newton Default Parameters Stokes Coefficient : Newton Coefficient : Option = Newton Default Parameters Newton Coefficient : Option = Drag Coefficient Essential Parameters Drag Coefficient : Optional Parameters Drag Coefficient Derivative : Option = Wen Yu Optional Parameters Volume Fraction Correction Exponent : Exponent for volumefraction dependence of drag force. Omission of this parameter, or a unit exponent, are equivalent to no correction. Typical exponent values for dense concentrations are -1.65 for solids, 4 for bubbles. Minimum Volume Fraction for Correction : Option = Stokes Default Parameters Stokes Coefficient : Option = Gidaspow Optional Parameters
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Volume Fraction Correction Exponent : Exponent for volumefraction dependence of drag force. Omission of this parameter, or a unit exponent, are equivalent to no correction. Typical exponent values for dense concentrations are -1.65 for solids, 4 for bubbles. Minimum Volume Fraction for Correction :
DYNAMIC MODEL CONTROL Description Singleton Object: Holds objects that control the temporary simplification of models to improve solver start-up robustness. Allowed Sub-Objects Optional Sub-Objects TURBULENCE CONTROL : Holds information specific to turbulence models for dynamic model control. HYDRO CONTROL : Holds information specific to hydrodynamics for dynamic model control. COMBUSTION CONTROL : Holds information specific to combustion for dynamic model control. ADDITIONAL VARIABLES CONTROL : Holds information specific to additional variables for dynamic model control. Allowed Parameters Essential Parameters Global Dynamic Model Control :
DYNAMIC VISCOSITY Description Singleton Object: Hold the details for an advanced description of Dynamic Viscosity.
ENERGY SOURCE Description Singleton Object: Holds source values and linearisation coefficients for level mode sources in the energy equation. NOTE - This feature has been superseded by the more robust residual mode sources specified using the EQUATION SOURCE object. Allowed Parameters Optional Parameters Energy Source : Energy Source Coefficient : Energy Flux : Energy Flux Coefficient :
ENHANCED TURBULENCE PRODUCTION MODEL Description Singleton Object: Model settings for multiphase enhanced turbulence production. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: None, Sato Enhanced Eddy Viscosity Option = Sato Enhanced Eddy Viscosity Optional Parameters CFX-5.6
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Enhanced Eddy Viscosity : Specify eddy particle induced eddy viscosity for zero-equation particle induced turbulence model. Omission of this parameter implies the default formula due to Sato.
EPSILON Description Singleton Object: Defines initialisation of epsilon. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value Option = Automatic with Value Optional Parameters Epsilon : Eddy Length Scale : Eddy Viscosity Ratio : Specify (Turb / Molecular) viscosity ratio Option = Value Optional Parameters Epsilon : Eddy Length Scale : Eddy Viscosity Ratio : Specify (Turb / Molecular) viscosity ratio
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EPSILON SOURCE Description Singleton Object: Holds source values and linearisation coefficients for level mode sources in the turbulent eddy dissipation equation. NOTE - This feature has been superseded by the more robust residual mode sources specified using the EQUATION SOURCE object. Allowed Parameters Optional Parameters Epsilon Source : Epsilon Source Coefficient : Epsilon Flux : Epsilon Flux Coefficient :
EQUATION Description Named Object: Defines equation classes for applying solver controls. Allowed Sub-Objects Optional Sub-Objects ADVECTION SCHEME : Defines the scheme used by the solver to discretise the advection term in transport equations. TRANSIENT SCHEME : Defines the discretisation algorithm for the transient term. CONVERGENCE CONTROL : Holds basic parameters that affect solver convergence.
EQUATION CLASS Description Named Object: Defines equation classes for applying solver controls. CFX-5.6
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Allowed Sub-Objects Optional Sub-Objects ADVECTION SCHEME : Defines the scheme used by the solver to discretise the advection term in transport equations. TRANSIENT SCHEME : Defines the discretisation algorithm for the transient term. CONVERGENCE CONTROL : Holds basic parameters that affect solver convergence.
EQUATION DEFINITION Description Named Object: Defines names for standard equations. Allowed Parameters Optional Parameters MMS Name : Long Name : Quantity : Tensor Type : Principal Variable : Principal variable for an equation. Default Source Variable : Define a default entry for Source Variable List for an equation source. Component Short Names : Component Long Names : Component MMS Names :
EQUATION DEFINITIONS Description Singleton Object: Contains definitions for standard equations.
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Allowed Sub-Objects Optional Sub-Objects EQUATION DEFINITION : Defines names for standard equations.
EQUATION PAIR Description Named Object: Specifies transfer model between a fluid-equation pair containing variables of the same type and dimensions. Allowed Parameters Essential Parameters Option : Optional Parameters Under Relaxation Factor : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Zero Flux, Interfacial Flux, Interfacial Vector Flux, Interfacial Symmetric Tensor Flux, Fluid Fluxes, Fluid Vector Fluxes, Fluid Symmetric Tensor Fluxes, Interface Values, Interface Vector Values, Interface Symmetric Tensor Values Option = Interfacial Symmetric Tensor Flux Optional Parameters Fluid1to2 xxFlux : xx component of symmetric tensor flux from fluid 1 to 2 Fluid1to2 xyFlux : xy component of symmetric tensor flux from fluid 1 to 2 Fluid1to2 xzFlux : xz component of symmetric tensor flux from fluid 1 to 2 Fluid1to2 yyFlux : yy component of symmetric tensor flux from fluid 1 to 2
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Fluid1to2 yzFlux : yz component of symmetric tensor flux from fluid 1 to 2 Fluid1to2 zzFlux : zz component of symmetric tensor flux from fluid 1 to 2 Fluid1 Flux Coefficient : fluid 1 linearisation coefficient of a flux from fluid 1 to 2 Fluid2 Flux Coefficient : fluid 2 linearisation coefficient of a flux from fluid 2 to 1 Option = Fluid Symmetric Tensor Fluxes Optional Parameters Fluid1 xxFlux out : xx component of symmetric tensor flux from fluid 1 Fluid1 xyFlux out : xy component of symmetric tensor flux from fluid 1 Fluid1 xzFlux out : xz component of symmetric tensor flux from fluid 1 Fluid1 yyFlux out : yy component of symmetric tensor flux from fluid 1 Fluid1 yzFlux out : yz component of symmetric tensor flux from fluid 1 Fluid1 zzFlux out : zz component of symmetric tensor flux from fluid 1 Fluid2 xxFlux in : xx component of symmetric tensor flux into fluid 2 Fluid2 xyFlux in : xy component of symmetric tensor flux into fluid 2 Fluid2 xzFlux in : xz component of symmetric tensor flux into fluid 2 Fluid2 yyFlux in : yy component of symmetric tensor flux into fluid 2 Fluid2 yzFlux in : yz component of symmetric tensor flux into fluid 2 Fluid2 zzFlux in : zz component of symmetric tensor flux into fluid 2 Fluid1 Flux Fluid1 Coefficient : fluid 1 linearisation coefficient of a flux from fluid 1 Fluid2 Flux Fluid1 Coefficient : fluid 2 linearisation coefficient of a flux into fluid 2 Fluid1 Flux Fluid2 Coefficient : fluid 2 linearisation coefficient of a flux from fluid 1 Fluid2 Flux Fluid2 Coefficient : fluid 2 linearisation coefficient of a flux into fluid 2 Option = Interface Values Optional Parameters Fluid1 Value : scalar value transferred from fluid 1 to 2 Page 122
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Fluid2 Value : scalar value transferred from fluid 2 to 1 Transition Value : scalar transition transferred from fluid 1 to 2 Option = Interfacial Flux Optional Parameters Fluid1to2 Flux : scalar flux from fluid 1 to 2 Fluid1 Flux Coefficient : fluid 1 linearisation coefficient of a flux from fluid 1 to 2 Fluid2 Flux Coefficient : fluid 2 linearisation coefficient of a flux from fluid 2 to 1 Option = Fluid Vector Fluxes Optional Parameters Fluid1 xFlux out : x component of vector flux from fluid 1 Fluid1 yFlux out : y component of vector flux from fluid 1 Fluid1 zFlux out : z component of vector flux from fluid 1 Fluid2 xFlux in : x component of vector flux into fluid 2 Fluid2 yFlux in : y component of vector flux into fluid 2 Fluid2 zFlux in : z component of vector flux into fluid 2 Fluid1 Flux Fluid1 Coefficient : fluid 1 linearisation coefficient of a flux from fluid 1 Fluid2 Flux Fluid1 Coefficient : fluid 2 linearisation coefficient of a flux into fluid 2 Fluid1 Flux Fluid2 Coefficient : fluid 2 linearisation coefficient of a flux from fluid 1 Fluid2 Flux Fluid2 Coefficient : fluid 2 linearisation coefficient of a flux into fluid 2 Option = Interface Symmetric Tensor Values Optional Parameters Fluid1 xxValue : xx-component of a symmetric tensor value transferred from fluid 1 to 2 Fluid1 xyValue : xy-component of a symmetric tensor value transferred from fluid 1 to 2
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Fluid1 xzValue : xz-component of a symmetric tensor value transferred from fluid 1 to 2 Fluid1 yyValue : yy-component of a symmetric tensor value transferred from fluid 1 to 2 Fluid1 yzValue : yz-component of a symmetric tensor value transferred from fluid 1 to 2 Fluid1 zzValue : zz-component of a symmetric tensor value transferred from fluid 1 to 2 Fluid2 xxValue : xx-component of a symmetric tensor value transferred from fluid 2 to 1 Fluid2 xyValue : xy-component of a symmetric tensor value transferred from fluid 2 to 1 Fluid2 xzValue : xz-component of a symmetric tensor value transferred from fluid 2 to 1 Fluid2 yyValue : yy-component of a symmetric tensor value transferred from fluid 2 to 1 Fluid2 yzValue : yz-component of a symmetric tensor value transferred from fluid 2 to 1 Fluid2 zzValue : zz-component of a symmetric tensor value transferred from fluid 2 to 1 Transition xxValue : xx-component of symmetric tensor transition value transferred from fluid 1 to 2 Transition xyValue : xy-component of symmetric tensor transition value transferred from fluid 1 to 2 Transition xzValue : xz-component of symmetric tensor transition value transferred from fluid 1 to 2 Transition yyValue : yy-component of symmetric tensor transition value transferred from fluid 1 to 2 Transition yzValue : yz-component of symmetric tensor transition value transferred from fluid 1 to 2 Transition zzValue : zz-component of symmetric tensor transition value transferred from fluid 1 to 2 Option = Interface Vector Values Optional Parameters Fluid1 xValue : x-component of a vector value transferred from fluid 1 to 2 Page 124
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Fluid1 yValue : y-component of a vector value transferred from fluid 1 to 2 Fluid1 zValue : z-component of a vector value transferred from fluid 1 to 2 Fluid2 xValue : x-component of a vector value transferred from fluid 2 to 1 Fluid2 yValue : y-component of a vector value transferred from fluid 2 to 1 Fluid2 zValue : z-component of a vector value transferred from fluid 2 to 1 Transition xValue : x-component of vector transition value transferred from fluid 1 to 2 Transition yValue : y-component of vector transition value transferred from fluid 1 to 2 Transition zValue : z-component of vector transition value transferred from fluid 1 to 2 Option = Interfacial Vector Flux Optional Parameters Fluid1to2 xFlux : x component vector flux from fluid 1 to 2 Fluid1to2 yFlux : y component of vector flux from fluid 1 to 2 Fluid1to2 zFlux : z component of vector flux from fluid 1 to 2 Fluid1 Flux Coefficient : fluid 1 linearisation coefficient of a flux from fluid 1 to 2 Fluid2 Flux Coefficient : fluid 2 linearisation coefficient of a flux from fluid 2 to 1 Option = Fluid Fluxes Optional Parameters Fluid1 Flux out : scalar flux from fluid 1 Fluid2 Flux in : scalar flux into fluid 2 Fluid1 Flux Fluid1 Coefficient : fluid 1 linearisation coefficient of a flux from fluid 1 Fluid2 Flux Fluid1 Coefficient : fluid 2 linearisation coefficient of a flux into fluid 2
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Fluid1 Flux Fluid2 Coefficient : fluid 2 linearisation coefficient of a flux from fluid 1 Fluid2 Flux Fluid2 Coefficient : fluid 2 linearisation coefficient of a flux into fluid 2
EQUATION PROPERTIES FOR FLUID Description Named Object: This object defines equation-specific properties for fluids Allowed Parameters Optional Parameters Kinematic Diffusivity :
EQUATION SOURCE Description Named Object: Specifies a source for the named equation. For mass equation use option Fluid Mass Source, or Total Fluid Mass Source. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Source, Total Source, Fluid Mass Source, Total Fluid Mass Source Option = Fluid Mass Source Optional Sub-Objects VARIABLE : Specification of internal details for internal solver and expression language variables. Page 126
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Essential Parameters Source : Option = Total Source Essential Parameters Total Source : Optional Parameters Total Source Coefficient : Derivative of Total Source expression with respect to source variable. Total Source Variable List : List of linearisation variables for a Source expression. Total Source Coefficient List : Linearisation coefficient for a Total Source expression, relative to corresponding entry in Total Source Variable List. Option = Total Fluid Mass Source Optional Sub-Objects VARIABLE : Specification of internal details for internal solver and expression language variables. Essential Parameters Total Source : Option = Source Essential Parameters Source : Optional Parameters Source Coefficient : Derivative of Source expression with respect to source variable. Source Variable List : List of linearisation variables for a Source expression. In 5.5 this must be the principal variable for the equation, except for the energy equation which assumes it is T. Source Coefficient List : Linearisation coefficient for a Source expression, relative to corresponding entry in Source Variable List.
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EXPERT PARAMETERS Description Singleton Object: Hold advanced parameters used to control many aspects of solver operation. Allowed Parameters Optional Parameters always output post processing : When set to true, outputs the usual post processing even for intermediate adaption steps (default=F) auto turnoff solve eq flag : This flag determines whether or not equations are solved when their residuals are below the convergence criteria. backup file at zero : Controls whether a backup file is written at iteration 0 backup frequency : Controls the frequency with which a backup file is produced boundary relaxation option : Boundary relaxation option: 0=none, 1=all, 2-walls, 3=default buoyancy ted source : This flag determines whether buoyancy production terms are included in the ted equation. buoyancy tef source : This flag determines whether buoyancy production terms are included in the tef equation. buoyancy tke source : This flag determines whether buoyancy production terms are included in the tke equation. build artificial wall : Controls whether or not the solver will build an artificial wall to prevent inflow at an outlet boundary, or outflow at an inlet boundary condition. coupled scalars : Coupling of component mass fraction equations for combustion. degeneracy check tolerance : A face set is considered degenerate if its dimensionless area of the face set is less than this tolerance. delete backup files : If set to false, old backup files are not overwritten force intersection : If set to true, GGI intersection is forced
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ggi periodic axial radial tolerance : GGI periodic surfaces cannot be constant axial surfaces or constant radial surfaces. This parameter controls the tolerance used to determine if the surface is in one of these two invalid situations. ignore solve flag on restart : Specifies whether an autoturnoff solve flag is read from the res file when restarting a simulation include pref in forces : Specifies whether reference pressure is included in pressure integral for force and moment calculations include associated fields : Specifies whether gradients or other associated fields should be written to minimal transient files. laplacian stresses : Control between the Laplacian form of the viscous stresses and the strictly correct stress tensor form max continuity loops : Maximum number of continuity loops to solve in a timestep multigrid solver : Controls whether multigrid solver is used mg solver option : Determines the coarsening algorithm for algebraic multigrid of the fluid coupled equations min timesteps : Minimum number of time steps model coefficient relaxation : A control to improve k-e turbulence model convergence monitor forces : When set to true, outputs forces on boundaries to the solver output file every timestep monitor ftrans : When set to true, outputs false transient information (steady state only) to the solver output file for each loop monitor ranges : When set to true, outputs variable ranges for each coefficient loop in steady state simulation or for each timestep in a transient simulation monitor residuals : When set to True, outputs maximum residuals and locations for each coefficient loop (steady state) or timestep (transient) monitor scales : When set to True, outputs variable scales for each coefficient loop (steady state) or timestep (transient) monitor totals : When set to True, outputs boundary and source term flows for each coefficient loop (steady state) or timestep (transient) outer loop relaxations default : The default value for several underrelaxation parameters at the time step loop level
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output eq flows : Writes boundary flux data for all equations to the results file so that they can be used for post processing output eq residuals : Writes residuals for all equations to the results file for steady state solutions part cvs weighting : Vertex weighting by number of control volume sectors for parallel partitioning. pressure diffusion scheme : Specifies the diffusion scheme for pressure in continuity: 1=central; 2=positive definite active pressure profile type : Specifies whether linear-linear (default) or trilinear interpolation is used for the pressure gradient term pressure reference node : Specifies node at which pressure reference is set if not supplied via boundary conditions pressure reference value : Specifies reference pressure value relax mass : Changing this value can aid in convergence for problems that show residual oscillations in separate and re-attached regions rfr domain rotation : Enable domain rotation for RFR cases in the post processor by writing the theta shift angle to the result file scalar diffusion scheme : Specifies the diffusion scheme for scalars: 1=central; 2=positive definite active; 3=positive definite solve energy : Flag for controlling whether or not the controller solves the energy equation solve fluids : Flag for controlling whether or not the controller solves the hydrodynamics equations solve masfrc : Flag for controlling whether or not the controller solves for mass fraction equations solve mixture fraction : Flag for controlling whether or not the controller solves for mixture fraction mean and variance equations solve radiation : Flag for controlling whether or not the controller solves the radiation equations solve reaction progress : Flag for controlling whether or not the controller solves for reaction progress equations solve rs eps : Flag for controlling whether or not the controller solves the Reynolds Stress equation solve scalar : Flag for controlling whether or not the controller solves equations for additional variables solve soot : Flag for controlling whether or not the controller solves for soot equations Page 130
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solve temperature variance : Flag for controlling whether or not the controller solves for the temperature variance equation solve tke eps : Flag for controlling whether or not the controller solves the k-epsilon equations solve tke omega : Flag for controlling whether or not the controller solves the k-omega equations solve visktrb : Flag for controlling whether or not the controller solves the kinematic eddy viscosity equations solve volfrc : Flag for controlling whether or not the controller solves the volume fraction equations solver relaxation fluids : The under-relaxation value for the coupled U, V, W and P linear smoother within the multigrid solver solver relaxation scalar : The under-relaxation value for the scalar linear smoother within the multigrid solver solver target reduction fluids : A tolerance control for the linear solver coupled mass-momentum system solver target reduction scalar : A tolerance control for the linear solver scalar equation stress diffusion scheme : Specifies the diffusion scheme for stress in momentum: 1=central; 2=positive definite active target imbalance scalar : The target imbalance for Additional Variables tbulk for htc : Reference bulk temperature to computer the Heat Transfer Coefficient (HTC) tef numerics option : Option for TEF numerics (0=standard, 1=gradient damping and elem. CrossDiff) temperature damping : Apply temperature damping. temperature damping factor : Relaxation factor used for temperature damping. temperature damping limit : Apply temperature damping only for temperature changes larger than this value. tke eps timescale limiter : Specifies whether or not the tke dissipation and ted production terms use a k/epsilon ratio limited by the molecular viscosity. topology estimate factor : Factor by which memory estimate for storing topology is multiplied CFX-5.6
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transient initialisation override : Allow solver default initialisation to be used for a transient simulation use kolmogorov ts for extinction : Use the Kolmogorov timescale (in contrast to mixing timescale) as turbulence timescale for flame extinction at high turbulence. vector parallel tolerance : This value is the error tolerated by the solver in degrees when determining the maximum deviation of any element face normal from the calculated average element face normal in a symmetry plane wallscale diffusion scheme : Wallscale diffusion differencing scheme (1=central, 2=default, 3=positive definite scheme). wallscale relaxation factor : Relaxation factor for wallscale wall clock time : Output wall clock time during the outer loop in a steady state run or timestep loop in a transient run. check isolated regions : For serial runs the solver checks if any fluid domain contains volumetric regions which are isolated pockets. This check cannot be performed for parallel solver runs.
EXPORT Description Singleton Object: Holds parameters which control the export of data to an external text file. Allowed Parameters Essential Parameters Export File : The filename to which the exported data will be written. Optional Parameters Location List : A comma delimited list of locator names. Variable List : A comma delimited list of variables whose data is to be exported. Include Header : Indicates whether a pre-defined header is appended to the top of the export file, using " Null Token : The string that should be used in the export file if no data exists for a variable at a node. Page 132
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Overwrite : Indicates whether, if the specified filename exists, the file should be overwritten with the new data. Precision : Indicates the number of decimal points of precision to display the exported data to. Vector Display : Indicates the way that vector variables are to be displayed. Choices are: Components | Scalar. Separator : Indicates the string to use between each variable. The string must be delimited by quotation marks. Vector Brackets : Indicates the kind of brackets to use around vector data when displayed as components. Any two character combination is valid, where the first character will be used as the open-bracket, and the second as the close-bracket. If "-" is specified (no quotes), no brackets will be displayed.
EXPRESSION EVALUATOR Description Singleton Object: This singleton evaluates the specified Expression and stores the Result. Allowed Parameters Essential Parameters Evaluated Expression : A CFX Expression Language expression for usage in EXPRESSION EVALUATOR. Internal Parameters Result : The internal parameter for the CALCULATOR and EXPRESSION EVALUATOR object used to store the results of a function evaluation. Result Units : The internal parameter for the CALCULATOR and EXPRESSION EVALUATOR object used to store the units of the results of a function evaluation.
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EXPRESSION PREVIEW Description Singleton Object: This singleton is used to generate data for expression preview graphs. Allowed Parameters Essential Parameters Preview Expression : Optional Parameters Preview Mode : Preview Variable Values : Preview Variable Ranges : Preview Range Steps : Internal Parameters Preview Required Variables : Preview Varying Variable : Preview Evaluated Units : Preview Input Units :
EXPRESSIONS Description Singleton Object: Definition of CFX Command Language Expressions
FLAMMABILITY LIMITS Description Singleton Object: Contains parameters that control the flammability limits for combustion.
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Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Equivalence Ratio Option = Equivalence Ratio Essential Parameters Maximum Flame Speed : Maximum Laminar Flame Speed Location of Maximum Flame Speed : Equivalence Ratio of Maximum Laminar Flame Speed Lean Flammability Limit : Rich Flammability Limit :
FLOW Description Singleton Object: The top-level object of the CFD problem definition. Allowed Sub-Objects Optional Sub-Objects SOLUTION UNITS : Sets the base solution units for the calculation. COORD FRAME : Defines a coordinate frame which can be used for setting direction and axis specifications. SIMULATION TYPE : Controls if the simulation is Steady or Transient. DOMAIN : Holds the definition of physical models, boundary conditions, and sources for a mesh assembly. DOMAIN INTERFACE : Defines the location and model details for connecting two disconnected two dimensional regions. SOLVER CONTROL : Holds all objects that control discretisation and execution of the solution process. CFX-5.6
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OUTPUT CONTROL : Holds object definitions that control output from the solver during execution. INITIALISATION : Defines the initialisation of flow-field variables. EXPERT PARAMETERS : Hold advanced parameters used to control many aspects of solver operation. CCLSETUP : Internal parameter settings for CCL to solver data structure processing MESH ADAPTION : Specifies if Mesh Adaption is active. NOTE - Only used for GUI control in CFX-Pre. Does not control the execution of adaption in the solver loop.
FLOW DIRECTION Description Singleton Object: Sets the velocity direction imposed at a boundary. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Cartesian Components, Cylindrical Components, Normal to Boundary Condition Option = Cartesian Components Essential Parameters Unit Vector X Component : Unit Vector Y Component : Unit Vector Z Component : Optional Parameters
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Flow Direction Linearisation : Determines the type of linearisation the solver uses to compute coefficients for direction specified flow boundaries. Normal component assumes that the boundary velocity has the same normal component as the vertex velocity. Velocity magnitude assumes they have the same magnitude. Option = Normal to Boundary Condition Optional Parameters Flow Direction Linearisation : Determines the type of linearisation the solver uses to compute coefficients for direction specified flow boundaries. Normal component assumes that the boundary velocity has the same normal component as the vertex velocity. Velocity magnitude assumes they have the same magnitude. Option = Cylindrical Components Essential Parameters Unit Vector r Component : Unit Vector Theta Component : Unit Vector Axial Component : Optional Parameters Axis Type : Specifies if we are using a Coordinate Axis or Two points to define the axis (only two point axis specification is currently supported) Rotation Axis : Coordinate Frame Axis for rotating domains or cylindrical boundary condition specification Rotation Axis From : First
FLOW REGIME Description Singleton Object: States if a boundary is subsonic or supersonic CFX-5.6
FLUID Description Named Object: This object encloses fluid-specific models and data. Allowed Sub-Objects Optional Sub-Objects FLUID MODELS : Defines the model details that operate on individual fluids within the domain. INITIAL CONDITIONS : Holds the details of initial condition specification for one or more equations. BOUNDARY CONDITIONS : Specifies boundary conditions for all equations being solved. SOURCES : Holds the definition of sources for one or more equations. BULK SOURCE DISTRIBUTION : Model for contribution of a bulk source to given fluid. SOLVER CONTROL : Holds all objects that control discretisation and execution of the solution process.
FLUID BUOYANCY MODEL Description Singleton Object: Sets the buoyancy model to be used for a specific fluid in a multiphase calculation.
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Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Non Buoyant, Boussinesq, Density Difference Option = Boussinesq Essential Parameters Buoyancy Reference Temperature : Buoyancy Reference Temperature
FLUID MODELS Description Singleton Object: Defines the model details that operate on individual fluids within the domain. Allowed Sub-Objects Optional Sub-Objects ADDITIONAL VARIABLE : Hold information specific to a single additional variable. This object is used in a number of different contexts, including the specification of boundary conditions, sources, initial conditions, etc. COMBUSTION MODEL : Defines the combustion model to be used. COMPONENT : Hold information specific to a single component of a multi-component fluid. This object is used in a number of different contexts, including the specification of boundary conditions, sources, initial conditions, etc. FLUID BUOYANCY MODEL : Sets the buoyancy model to be used for a specific fluid in a multiphase calculation. HEAT TRANSFER MODEL : Specifies the Heat Transfer Model to be used in a domain. CFX-5.6
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MORPHOLOGY : Fluid morphology in multifluid models SOLID PRESSURE MODEL : Sets the model to be used for solids pressure forces in a multiphase calculation. SOOT MODEL : Sets parameters that control the soot model. THERMAL RADIATION MODEL : Defines the Thermal Radiation model to be used in the domain. TURBULENCE MODEL : Specifies the turbulence model to be used for each fluid in a fluid domain. TURBULENT WALL FUNCTIONS : Sets the turbulent near-wall treatment at a boundary. WALL SLIP MODEL : Specifies a wall slip model. NOTE - This is a Beta CCL-only feature.
FLUID PAIR Description Named Object: Specifies interface physics for a given fluid pair. Allowed Sub-Objects Optional Sub-Objects INTERPHASE TRANSFER MODEL : Specifies transfer model between fluids MASS TRANSFER : Mass transfer models for a fluid pair. MOMENTUM TRANSFER : Specifies momentum transfer models for a fluid pair. INTERPHASE HEAT TRANSFER : Specifies heat transfer model between a fluid pair. TURBULENCE TRANSFER : Specifies turbulence transfer between two phases. ADDITIONAL VARIABLE PAIR : Specifies additional variable transfer model between a fluid pair containing additional variables of the same type and dimensions. COMPONENT PAIR : Specifies species mass transfer between a fluid pair.
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SURFACE TENSION MODEL : Sets parameters that control the surface tension force model at a free surface interface. BOUNDARY CONDITIONS : Specifies boundary conditions for all equations being solved. Allowed Parameters Optional Parameters Surface Tension Coefficient : Specifies a surface tension coefficient between a fluid pair. Particle Coupling :
FLUID1 ADDITIONAL VARIABLE TRANSFER Description Named Object: Specifies additional variable transfer model to first fluid of a fluid pair. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Additional Variable Transfer Coefficient, Sherwood Number, Ranz Marshall, Hughmark, Zero Resistance Option = Sherwood Number Essential Parameters Fluid1 Sherwood Number : Fluid 1 Sherwood number governing interphase transfer of AV"s and components. Option = Additional Variable Transfer Coefficient Essential Parameters
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Fluid1 Additional Variable Transfer Coefficient : Fluid 1 interphase transfer coefficient for additional variables.
FLUID1 INTERPHASE HEAT TRANSFER Description Singleton Object: Specifies heat transfer model to first fluid of a fluid pair. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Heat Transfer Coefficient, Nusselt Number, Ranz Marshall, Hughmark, Zero Resistance Option = Nusselt Number Essential Parameters Fluid1 Nusselt Number : Fluid 1 Nusselt Number for interfluid heat transfer. Option = Heat Transfer Coefficient Essential Parameters Fluid1 Heat Transfer Coefficient : Fluid 1 heat transfer coefficient.
FLUID1 SPECIES MASS TRANSFER Description Singleton Object: Specifies species mass transfer model to first fluid of a fluid pair.
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Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Mass Transfer Coefficient, Sherwood Number, Ranz Marshall, Hughmark, Zero Resistance Option = Mass Transfer Coefficient Essential Parameters Fluid1 Mass Transfer Coefficient : Effective mass transfer coefficient on first-fluid side of interface. Option = Sherwood Number Essential Parameters Fluid1 Sherwood Number : Fluid 1 Sherwood number governing interphase transfer of AV"s and components.
FLUID2 ADDITIONAL VARIABLE TRANSFER Description Named Object: Specifies additional variable transfer model to second fluid of a fluid pair. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Additional Variable Transfer Coefficient, Sherwood Number, Ranz Marshall, Hughmark, Zero Resistance CFX-5.6
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Option = Sherwood Number Essential Parameters Fluid2 Sherwood Number : Fluid 2 Sherwood number governing interphase transfer of AV"s and components. Option = Additional Variable Transfer Coefficient Essential Parameters Fluid2 Additional Variable Transfer Coefficient : Fluid 2 interphase transfer coefficient for additional variables.
FLUID2 INTERPHASE HEAT TRANSFER Description Singleton Object: Specifies heat transfer model to second fluid of a fluid pair. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Heat Transfer Coefficient, Nusselt Number, Ranz Marshall, Hughmark, Zero Resistance Option = Nusselt Number Essential Parameters Fluid2 Nusselt Number : Fluid 2 Nusselt Number for interfluid heat transfer. Option = Heat Transfer Coefficient Essential Parameters Fluid2 Heat Transfer Coefficient : Fluid 2 heat transfer coefficient.
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FLUID2 SPECIES MASS TRANSFER Description Singleton Object: Specifies species mass transfer model to first fluid of a fluid pair. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Mass Transfer Coefficient, Sherwood Number, Ranz Marshall, Hughmark, Zero Resistance Option = Mass Transfer Coefficient Essential Parameters Fluid2 Mass Transfer Coefficient : Effective mass transfer coefficient on second-fluid side of interface. Option = Sherwood Number Essential Parameters Fluid2 Sherwood Number : Fluid 2 Sherwood number governing interphase transfer of AV"s and components.
Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Expression, Arrhenius, Arrhenius with Temperature PDF, Equilibrium Option = Expression Essential Parameters Reaction Rate : Molar Reaction Rate Option = Arrhenius Essential Parameters Pre Exponential Factor : Pre-exponential factor for Arrhenius reaction rate. Temperature Exponent : Optional Parameters Activation Energy : Activation Energy of a reaction. Activation Temperature : Activation Temperature of a reaction. Option = Arrhenius with Temperature PDF Essential Parameters Temperature Limit List : Pre Exponential Factor : Pre-exponential factor for Arrhenius reaction rate. Temperature Exponent : Optional Parameters Activation Energy : Activation Energy of a reaction. Activation Temperature : Activation Temperature of a reaction.
FRAME CHANGE Description Singleton Object: Defines the frame change model to be used on a domain interface.
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Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: None, Frozen Rotor, Stage, Transient Rotor Stator, Same Frame with Frozen Rotor, Same Frame with Stage Option = None Option = Transient Rotor Stator Optional Parameters Transformation Type : Option = Frozen Rotor Optional Parameters Rotational Offset : Controls the amount by which the child side domain on a GGI interface is rotated before the intersection is calculated. Transformation Type : Option = Stage Optional Parameters Pressure Profile Decay : Pressure profile decay on a stage interface Option = Same Frame with Stage Optional Parameters Pressure Profile Decay : Pressure profile decay on a stage interface Option = Same Frame with Frozen Rotor Optional Parameters Transformation Type :
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FREE STREAM TURBULENCE Description Singleton Object: Sets the level of background turbulence for a turbulence model. NOTE - This is a Beta CCL-only feature. Allowed Parameters Essential Parameters Fractional Intensity : Velocity Scale : Optional Parameters Eddy Length Scale : Eddy Viscosity Ratio : Specify (Turb / Molecular) viscosity ratio
FREE SURFACE MODEL Description Singleton Object: Defines the type of free surface model to be used. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Standard,None Option = Standard Optional Parameters Maximum Density Ratio :
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FUNCTION Description Named Object: The definition of a user-defined CFX Expression Language function. Allowed Parameters Essential Parameters Option : Default Parameters Result Units : The internal parameter for the CALCULATOR and EXPRESSION EVALUATOR object used to store the units of the results of a function evaluation. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Interpolation, User Function, CallBack Option = Interpolation Optional Sub-Objects INTERPOLATION DATA : Holds interpolation data for user-defined one and three dimensional interpolation functions. Essential Parameters Argument List : The list of arguments in the user-defined function. Option = CallBack Essential Parameters CallBack Name : Callback name for functions. Optional Parameters Number of Arguments : Option = User Function Essential Parameters Argument List : The list of arguments in the user-defined function. CFX-5.6
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GENERAL MOMENTUM SOURCE Description Singleton Object: Defines momentum source term and linearisation coefficient. Allowed Parameters Essential Parameters Momentum Source X Component : Momentum Source Y Component : Momentum Source Z Component : Optional Parameters Momentum Source Coefficient : Derivative of momentum source with respect to velocity. This isotropic coefficient is used for all components.
GRAY GAS Description Named Object: Sets the gray gas weighting method for radiation. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Expression Option = Expression Essential Parameters Weight : Absorption Coefficient : The Absorption Coefficient for a Gray Gas Page 150
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GTM DATA Description Singleton Object: Allowed Parameters Optional Parameters GTM Location : stores the path of the GTM location Current GTM Checkpoint : Last Saved GTM Checkpoint : Mesh Match Tolerance : Sets gtm mesh gluing tolerance
HARDCOPY Description Singleton Object: This object contains the settings used to control the creation of hardcopy output from the viewer. It is used by the "print" action. Allowed Parameters Essential Parameters Hardcopy Format : Sets the format of hardcopy output from "print". Optional Parameters Hardcopy Filename : Sets the file name for the output from "print". Hardcopy Tolerance : A non-dimensional tolerance used in facesorting when generating hardcopy output. Higher values will result in faster printing times, but may cause defects in the resulting output. Context Sensitive Settings Context Controlling Parameter: Hardcopy Format Allowed Context Settings: ps, eps, jpg, ppm, bmp, png, vrml
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Hardcopy Format = png Optional Parameters Print Quality : Controls quality vs. speed of hardcopy output. White Background : Toggles if hardcopy output is produced on a white or black background. Use Screen Size : When set to On, the current screen size is used as the image size Image Width : The image width (used when Use Screen Size is set to Off) Image Height : The image height (used when Use Screen Size is set to Off) Image Scale : Scales the size of bitmap images to a fraction (in percent) of the current viewer window size. Print Line Width : The width of lines in hardcopy output. Increasing this value may give better results on high-resolution printers. Screen Capture : Enables the screen capture mode for producing image output. Hardcopy Format = bmp Optional Parameters Print Quality : Controls quality vs. speed of hardcopy output. White Background : Toggles if hardcopy output is produced on a white or black background. Use Screen Size : When set to On, the current screen size is used as the image size Image Width : The image width (used when Use Screen Size is set to Off) Image Height : The image height (used when Use Screen Size is set to Off) Image Scale : Scales the size of bitmap images to a fraction (in percent) of the current viewer window size. Print Line Width : The width of lines in hardcopy output. Increasing this value may give better results on high-resolution printers. Screen Capture : Enables the screen capture mode for producing image output.
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Hardcopy Format = ppm Optional Parameters Print Quality : Controls quality vs. speed of hardcopy output. White Background : Toggles if hardcopy output is produced on a white or black background. Use Screen Size : When set to On, the current screen size is used as the image size Image Width : The image width (used when Use Screen Size is set to Off) Image Height : The image height (used when Use Screen Size is set to Off) Image Scale : Scales the size of bitmap images to a fraction (in percent) of the current viewer window size. Print Line Width : The width of lines in hardcopy output. Increasing this value may give better results on high-resolution printers. Screen Capture : Enables the screen capture mode for producing image output. Hardcopy Format = jpg Optional Parameters Print Quality : Controls quality vs. speed of hardcopy output. White Background : Toggles if hardcopy output is produced on a white or black background. Use Screen Size : When set to On, the current screen size is used as the image size Image Width : The image width (used when Use Screen Size is set to Off) Image Height : The image height (used when Use Screen Size is set to Off) Image Scale : Scales the size of bitmap images to a fraction (in percent) of the current viewer window size. Print Line Width : The width of lines in hardcopy output. Increasing this value may give better results on high-resolution printers. Screen Capture : Enables the screen capture mode for producing image output.
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JPEG Image Quality : The quality factor for jpeg image output. Higher values results in clearer, but larger, files. Hardcopy Format = eps Optional Parameters Paper Size : Scales hardcopy output to the specified paper size. Print Quality : Controls quality vs. speed of hardcopy output. Paper Orientation : Sets the rotation of the image on the printed page. White Background : Toggles if hardcopy output is produced on a white or black background. Print Line Width : The width of lines in hardcopy output. Increasing this value may give better results on high-resolution printers. Hardcopy Format = ps Optional Parameters Paper Size : Scales hardcopy output to the specified paper size. Print Quality : Controls quality vs. speed of hardcopy output. Paper Orientation : Sets the rotation of the image on the printed page. White Background : Toggles if hardcopy output is produced on a white or black background. Print Line Width : The width of lines in hardcopy output. Increasing this value may give better results on high-resolution printers.
HEAT TRANSFER Description Singleton Object: Specifies heat transfer conditions at a boundary. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Page 154
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Allowed Context Settings: Adiabatic, Domain Interface, Conservative Interface Flux, Fixed Temperature, Heat Flux, Wall Heat Flux, Heat Transfer Coefficient, Wall Heat Transfer Coefficient, Stationary Frame Total Temperature, Static Temperature, Total Temperature, Fluid Dependent Option = Stationary Frame Total Temperature Essential Parameters Stationary Frame Total Temperature : Option = Wall Heat Transfer Coefficient Essential Parameters Heat Transfer Coefficient : Outside Temperature : Option = Static Temperature Essential Parameters Static Temperature : Option = Fixed Temperature Essential Parameters Fixed Temperature : Option = Wall Heat Flux Essential Parameters Heat Flux in : Option = Heat Transfer Coefficient Essential Parameters Heat Transfer Coefficient : Outside Temperature : Option = Total Temperature Essential Parameters Total Temperature :
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Option = Heat Flux Essential Parameters Heat Flux in :
HEAT TRANSFER MODEL Description Singleton Object: Specifies the Heat Transfer Model to be used in a domain. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: None, Isothermal, Thermal Energy, Total Energy, Fluid Dependent Option = Isothermal Optional Parameters Domain Temperature : Fluid Temperature : Solid Temperature : Option = Total Energy Optional Parameters Include Viscous Work Term : Flag indicating whether the shear stress term dot velocity term is included in the energy equation. Temperature Variance Production Coefficient C1 : Temperature Variance Production Coefficient Temperature Variance Dissipation Coefficient C2 : Temperature Variance Dissipation Coefficient
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Option = Thermal Energy Optional Parameters Include Pressure Transient Term : Temperature Variance Production Coefficient C1 : Temperature Variance Production Coefficient Temperature Variance Dissipation Coefficient C2 : Temperature Variance Dissipation Coefficient
HYDRO CONTROL Description Singleton Object: Holds information specific to hydrodynamics for dynamic model control. Allowed Parameters Optional Parameters Transition Iteration : Turn Multigrid Off : Turn off multigrid solver for compressible flows up to Transition Iteration Sum Continuity Coefficients : Free Surface Harmonic Averaging : Harmonic average buoyancy force for free surface flow up to Transition Iteration
INITIAL CONDITIONS Description Singleton Object: Holds the details of initial condition specification for one or more equations. Allowed Sub-Objects Optional Sub-Objects INITIAL TIME : Defines the Initial Time for a Transient Calculation. STATIC PRESSURE : Defines initialisation of Static Pressure. CFX-5.6
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TEMPERATURE : Defines initialisation of Temperature. TEMPERATURE VARIANCE : Defines data specific to the Temperature Variance equation. CARTESIAN VELOCITY COMPONENTS : Defines initialisation of velocity by Cartesian components. CYLINDRICAL VELOCITY COMPONENTS : Defines initialisation of velocity by Cylindrical components. VISKTRB : Defines initialisation of turbulent eddy viscosity when running the ke-1e turbulence model which solves for turbulent eddy viscosity. NOTE - This is a Beta solver feature. K : Defines initialisation of turbulent kinetic energy. EPSILON : Defines initialisation of epsilon. OMEGA : Defines initialisation of turbulent eddy frequency. REYNOLDS STRESS COMPONENTS : Defines initialisation of Reynolds stress components. ADDITIONAL VARIABLE : Hold information specific to a single additional variable. This object is used in a number of different contexts, including the specification of boundary conditions, sources, initial conditions, etc. COMPONENT : Hold information specific to a single component of a multi-component fluid. This object is used in a number of different contexts, including the specification of boundary conditions, sources, initial conditions, etc. VOLUME FRACTION : Sets boundary condition or initial condition on volume fraction RADIATION INTENSITY : Defines initialisation of radiation intensity. WALL SCALE : Specifies initial conditions for the wall scale equation. MIXTURE FRACTION : Defines initialisation of mixture fraction. MIXTURE FRACTION VARIANCE : Defines initialisation of mixture fraction variance. REACTION PROGRESS : Defines initialisation of the reaction progress variable. SOOT : Defines initialisation of Soot. SOOT NUCLEI : Defines initialisation of Soot Nuclei. MESH MOVEMENT : Defines the movement or displacement of mesh at a boundary. NOTE - Not fully supported by the solver. Page 158
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Allowed Parameters Optional Parameters Velocity Type : Specifies if we are using Cartesian or Cylindrical components for initial conditions
INITIAL TIME Description Singleton Object: Defines the Initial Time for a Transient Calculation. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Value Option = Automatic with Value Essential Parameters Time : Option = Value Essential Parameters Time :
INITIALISATION Description Singleton Object: Defines the initialisation of flow-field variables.
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Allowed Sub-Objects Optional Sub-Objects INITIAL CONDITIONS : Holds the details of initial condition specification for one or more equations. FLUID : This object encloses fluid-specific models and data. Allowed Parameters Essential Parameters Option : Default Parameters Coord Frame : Local coordinate frame for computing expressions. The default at the top level of the command data structure is Coord 0, that is no transformation. The default at lower levels is to inherit the value from objects higher up the structure. Frame Type : Sets the frame in which velocity components or flow direction components are specified. If set to Rotating then the components are in the relative frame. If set to Stationary then the components are in the absolute frame of reference. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Default,
INTERFACE MODELS Description Singleton Object: Holds the definition of models specific to an interface. Allowed Sub-Objects Optional Sub-Objects FRAME CHANGE : Defines the frame change model to be used on a domain interface.
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PITCH CHANGE : Defines how pitch change is calculated across a domain interface.
INTERFACIAL EQUILIBRIUM MODEL Description Singleton Object: Specifies equilibrium model for species and AV transfer. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Molar Concentration Equilibrium Ratio, Molar Fraction Equilibrium Ratio, Mass Fraction Equilibrium Ratio, Henrys Law, Raoults Law Option = Molar Concentration Equilibrium Ratio Essential Parameters Molar Concentration Equilibrium Ratio : Option = Raoults Law Essential Parameters Saturation Pressure : Saturation pressure for cavitation of a pure substance. Option = Henrys Law Optional Parameters Molar Concentration Henry Coefficient : Molar Fraction Henry Coefficient : Option = Mass Fraction Equilibrium Ratio Essential Parameters CFX-5.6
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Mass Fraction Equilibrium Ratio : Option = Molar Fraction Equilibrium Ratio Essential Parameters Molar Fraction Equilibrium Ratio :
INTERPHASE HEAT TRANSFER Description Singleton Object: Specifies heat transfer model between a fluid pair. Allowed Parameters Essential Parameters Option : Optional Parameters Under Relaxation Factor : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Heat Transfer Coefficient, Nusselt Number, Ranz Marshall, Hughmark, Interface Flux, Two Resistance Option = Nusselt Number Essential Parameters Nusselt Number : Option = Interface Flux Essential Parameters Fluid1to2 Heat Flux : Value part of flux from first fluid to second. Fluid1 Heat Flux Coefficient : First fluid add. var. coefficient part of flux from first fluid to second. Fluid2 Heat Flux Coefficient : Second fluid add.var. coefficient part of flux from first fluid to second.
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Option = Heat Transfer Coefficient Essential Parameters Heat Transfer Coefficient : Option = Two Resistance Essential Sub-Objects FLUID1 INTERPHASE HEAT TRANSFER : Specifies heat transfer model to first fluid of a fluid pair. FLUID2 INTERPHASE HEAT TRANSFER : Specifies heat transfer model to second fluid of a fluid pair.
INTERPHASE TRANSFER MODEL Description Singleton Object: Specifies transfer model between fluids Allowed Parameters Essential Parameters Option : Optional Parameters Interfacial Area Density : Interfacial area per unit volume between two phases. Minimum Volume Fraction for Area Density : Maximum Volume Fraction for Area Density : Fluid1 Area Density Coefficient : interfacial area density linearisation coefficient against fluid 1 volume fraction Fluid2 Area Density Coefficient : interfacial area density linearisation coefficient against fluid 1 volume fraction Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Particle Model,Mixture Model,Homogeneous
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Option = Mixture Model Essential Parameters Interface Length Scale : Specifies an effective length scale or interfacial area density available for transfer processes under the mixture model option on FLUID PAIR.
INTERPOLATION DATA Description Singleton Object: Holds interpolation data for user-defined one and three dimensional interpolation functions. Allowed Parameters Optional Parameters Data Pairs : The data list for a user 1d interpolation function. Data : The data list for a user 3d interpolation function. Default Parameters Extend Min : Extend Max :
INTERSECTION CONTROL Description Singleton Object: Holds advanced parameters to control the details of interface discretisation. Allowed Parameters Optional Parameters Bitmap Resolution : Bitmap resolution to use on a mesh face when calculating the mesh intersection for a nonmatched domain interface. Agglomerate Control Surfaces : The type of agglomeration used when grouping integration point control surfaces after calculating the intersection Page 164
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JUNCTION BOX ROUTINES Description Singleton Object: Allowed Parameters Essential Parameters Junction Box Routine List : List of junction box routines to be executed.
K Description Singleton Object: Defines initialisation of turbulent kinetic energy. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value Option = Automatic with Value Optional Parameters k: Fractional Intensity : Option = Value Optional Parameters k: Fractional Intensity : CFX-5.6
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K SOURCE Description Singleton Object: Holds source values and linearisation coefficients for level mode sources in the turbulent kinetic energy equation. NOTE - This feature has been superseded by the more robust residual mode sources specified using the EQUATION SOURCE object. Allowed Parameters Optional Parameters k Source : k Source Coefficient : k Flux : k Flux Coefficient :
LABEL CONTROL Description Singleton Object: Controls visibility of labels Allowed Parameters Essential Parameters Show Labels : If true display labels Optional Parameters Show Prim2d Labels : If true display labels Show Prim3d Labels : If true display labels Show Region Labels : If true display labels Show Boundary Labels : If true display labels Show Domain Labels : If true display labels Show Boundary Markers : If true display labels Show Inlet Markers : If true display Show Outlet Markers : If true display Page 166
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Show Opening Markers : If true display Show Wall Markers : If true display Show Symmetry Markers : If true display Show Interface Markers : If true display Prim2d Global Visibility : If true can display Primitive2D objects
LAMINAR FLAME SPEED Description Singleton Object: Defines the Laminar Flame Speed for a combustion calculation. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Flame Speed, Flammability Limits, Library Option = Flame Speed Essential Parameters Laminar Flame Speed : Option = Flammability Limits Essential Sub-Objects FLAMMABILITY LIMITS : Contains parameters that control the flammability limits for combustion. Option = Library Essential Parameters Library File : File holding the library.
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LIBRARY Description Singleton Object: Stores common object descriptions for reference in the main problem definition. Allowed Sub-Objects Optional Sub-Objects VARIABLE : Specification of internal details for internal solver and expression language variables. EQUATION DEFINITIONS : Contains definitions for standard equations. ADDITIONAL VARIABLE : Hold information specific to a single additional variable. This object is used in a number of different contexts, including the specification of boundary conditions, sources, initial conditions, etc. CEL : Stores user-defined CFX Command Language functions and expressions. MATERIAL : Holds the definition of type and physical properties for a material. REACTION : USER ROUTINE DEFINITIONS : Contains definitions for user routines.
LIFT FORCE Description Singleton Object: Specifies that lift force should be included in momentum transfer models for a fluid pair. Allowed Parameters Default Parameters Lift Coefficient : Coefficient for lift force in interfluid momentum transfer. Page 168
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LOSS COEFFICIENT Description Singleton Object: Defines the Loss Coefficient to be applied at an opening boundary. Allowed Parameters Essential Parameters Loss Coefficient :
MASS AND MOMENTUM Description Singleton Object: Specifies conditions on Mass and Momentum at a boundary. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Average Static Pressure, Cartesian Velocity Components, Cartesian Velocity Components and Pressure, Cylindrical Velocity Components, Cylindrical Velocity Components and Pressure, Degassing Condition, Continuous Phase Wall, Dispersed Phase Wall, Continuous Phase Outlet, Dispersed Phase Outlet, Fluid Flow Rate, Fluid Velocity, Normal Speed, Mass Flow Rate, Pressure, Stationary Frame Total Pressure, Static Pressure, Total Pressure, Uniform Static Pressure, Velocity Components and Pressure, Conservative Interface Flux, Extrapolation, Entrainment Condition Option = Cylindrical Velocity Components and Pressure Essential Parameters CFX-5.6
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Velocity r Component : Velocity Theta Component : Velocity Axial Component : Relative Static Pressure : Optional Parameters Axis Type : Specifies if we are using a Coordinate Axis or Two points to define the axis (only two point axis specification is currently supported) Rotation Axis : Coordinate Frame Axis for rotating domains or cylindrical boundary condition specification Rotation Axis From : First
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Option = Velocity Components and Pressure Essential Parameters U: V: W: Relative Static Pressure : Option = Normal Speed Essential Parameters Normal Speed : Option = Cartesian Velocity Components and Pressure Essential Parameters U: V: W: Relative Static Pressure : Option = Mass Flow Rate Essential Parameters Mass Flow Rate : Optional Parameters Pressure Profile : Outlet boundary condition pressure profile Pressure Profile Blend : Pressure profile blend factor for m-dot outlets Mass Flow Update Option : Determines how the solver enforces the mass flow rate specified on an outflow boundary condition. Shift pressure updates the average pressure level on the boundary to give the required mass flow rate, Scale Mass Flows multiplies the solver computed mass flows by a factor to give the set value, and Constant Flux distributes the set value by area weighting over the boundary patch. Option = Pressure Essential Parameters Page 172
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Relative Pressure :
MASS TRANSFER Description Singleton Object: Mass transfer models for a fluid pair. Allowed Sub-Objects Optional Sub-Objects EQUATION PAIR : Specifies transfer model between a fluid-equation pair containing variables of the same type and dimensions. Allowed Parameters Essential Parameters Option : Optional Parameters Bounded Volume Fraction Linearisation : Determines whether IPMT terms are linearised to keep volume fractions bounded. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: None, Specified Mass Transfer, Phase Change, Cavitation Option = Phase Change Essential Sub-Objects PHASE CHANGE MODEL : Specifies the cavitation model. Option = Cavitation Essential Sub-Objects CAVITATION MODEL : Specifies the cavitation model. Option = Specified Mass Transfer Essential Sub-Objects CFX-5.6
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SPECIFIED MASS TRANSFER : Specifies the mass transfer rate explicitly.
MATERIAL Description Named Object: Holds the definition of type and physical properties for a material. Allowed Sub-Objects Optional Sub-Objects PROPERTIES : Holds the definition of all physical properties for a material. Allowed Parameters Essential Parameters Option : Optional Parameters Long Name : Thermodynamic State : State type of a pure substance Object Origin : Where the Object definition came from. Default Parameters Coord Frame : Local coordinate frame for computing expressions. The default at the top level of the command data structure is Coord 0, that is no transformation. The default at lower levels is to inherit the value from objects higher up the structure. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Pure Substance, Fixed Composition Mixture, Variable Composition Mixture Option = Fixed Composition Mixture Essential Parameters Page 174
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Materials List : Mass Fraction List : Optional Parameters Constitutive Relation Temperature Criterion : Constitutive Relation Iteration Limit : Constitutive Relation Under Relaxation : Newton Pressure Criterion : Newton Pressure Iteration Limit : Newton Pressure Under Relaxation : Option = Variable Composition Mixture Optional Parameters Materials List : Reactions List : Constitutive Relation Temperature Criterion : Constitutive Relation Iteration Limit : Constitutive Relation Under Relaxation : Newton Pressure Criterion : Newton Pressure Iteration Limit : Newton Pressure Under Relaxation :
MESH ADAPTION Description Singleton Object: Specifies if Mesh Adaption is active. NOTE - Only used for GUI control in CFX-Pre. Does not control the execution of adaption in the solver loop. Allowed Sub-Objects Optional Sub-Objects ADAPTION CRITERIA : ADAPTION METHOD : ADAPTION CONVERGENCE CRITERIA : CFX-5.6
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ADAPTION ADVANCED OPTIONS : Allowed Parameters Essential Parameters Domain Name : Subdomain List : Optional Parameters Mesh Adaption : Save Intermediate Files :
MESH MOVEMENT Description Singleton Object: Defines the movement or displacement of mesh at a boundary. NOTE - Not fully supported by the solver. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value, Specified Displacement, Specified Location Option = Automatic with Value Optional Parameters Displacement X Component : Displacement Y Component : Displacement Z Component : Location X Component : Location Y Component : Location Z Component : Page 176
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Option = Value Optional Parameters Displacement X Component : Displacement Y Component : Displacement Z Component : Location X Component : Location Y Component : Location Z Component : Option = Specified Location Optional Parameters Location X Component : Location Y Component : Location Z Component : Option = Specified Displacement Essential Parameters Displacement X Component : Displacement Y Component : Displacement Z Component :
MESH TRANSFORMATION Description Singleton Object: This object contains user info necessary to generate a mesh transformation.Passed from GUI, combined with Absolute in MeshCalcFunc Allowed Parameters Essential Parameters Option : Optional Parameters Transformation Units : Units used for transformation coordinates CFX-5.6
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Use Coord Frame : Specifies if the transformation is defined in another coordinate frame Reference Coord Frame : The Coordinate Frame in which the physical locations used to set this coordinate frame are described. Target Assemblies : Assemblies this transformation is applied to Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Rotation, Translation, Scale, Reflection Option = Reflection Essential Parameters Reflection Option : Specifies how the reflection plane is defined Optional Parameters X Pos : Used with plane definition Y Pos : Used with plane definition Z Pos : Used with plane definition Point : An XYZ triple which defines a point in space. Normal : An XYZ triple describing the normal vector. Point 1 : An XYZ triple defining the first point for this object. Point 2 : An XYZ triple defining the second point for this object. Point 3 : An XYZ triple defining the third point for this object. Delete Reflected : Specifies if the original mesh is deleted Glue Reflected Assemblies : Specifies whether matching assemblies should be glued after a reflection Option = Translation Essential Parameters Translation Option : Specifies what type of translation is applied Optional Parameters Translation Deltas : Translation offset Translation Root : Root of the translation vector Translation Tip : Tip of the translation vector Page 178
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Use Multiple Copy : Specifies if mesh is to be copied as opposed to moved Number of Copies : Specifies the number of transformed copies. Delete Original : Specifies if the original mesh is deleted Glue Copied Assemblies : Specifies whether matching assemblies should be glued after copy Option = Scale Essential Parameters Scale Option : Specifies what type of scaling is applied Optional Parameters Scale Origin : Position of scale origin Uniform Scale : Scale factor Nonuniform Scale : Non uniform scale vector Option = Rotation Essential Parameters Rotation Option : Specifies what type of rotation is applied Rotation Angle Option : Specifies what type of rotation is applied Optional Parameters Principal Axis : Specifies the principal axis used in instance rotation. Rotation Axis Begin : Root of rotation axis vector Rotation Axis End : Tip of rotation axis vector Rotation Angle : Specifies the rotation angle. Angle Start : First point used to calculate angle Angle End : Second point used to calculate angle Use Multiple Copy : Specifies if mesh is to be copied as opposed to moved Number of Copies : Specifies the number of transformed copies. Delete Original : Specifies if the original mesh is deleted Glue Copied Assemblies : Specifies whether matching assemblies should be glued after copy
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MIXTURE Description Singleton Object: Specification of Fuel/Oxidiser mixture at a boundary. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Oxidiser, Fuel, Mixture Fraction, Mixture Fraction Mean and Variance, Conservative Interface Flux Option = Mixture Fraction Mean and Variance Essential Parameters Mixture Fraction : Mixture Fraction Variance : Option = Mixture Fraction Essential Parameters Mixture Fraction :
Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value Option = Automatic with Value Essential Parameters Mixture Fraction : Option = Value Essential Parameters Mixture Fraction :
MIXTURE FRACTION VARIANCE Description Singleton Object: Defines initialisation of mixture fraction variance. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value Option = Automatic with Value Essential Parameters Mixture Fraction Variance : Option = Value Essential Parameters Mixture Fraction Variance : CFX-5.6
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MOMENTUM SOURCE Description Singleton Object: Holds source terms for momentum. Allowed Sub-Objects Optional Sub-Objects GENERAL MOMENTUM SOURCE : Defines momentum source term and linearisation coefficient. RESISTANCE SOURCE : Defines momentum resistance term. Allowed Parameters Optional Parameters Include in Total Energy : Indicates whether a momentum source appears in the total energy equation
MOMENTUM TRANSFER Description Singleton Object: Specifies momentum transfer models for a fluid pair. Allowed Sub-Objects Optional Sub-Objects DRAG FORCE : Specifies drag force between two phases. LIFT FORCE : Specifies that lift force should be included in momentum transfer models for a fluid pair. WALL LUBRICATION FORCE : Specifies that wall lubrication force should be included in momentum transfer models for a fluid pair. VIRTUAL MASS FORCE : Specifies that virtual mass force should be included in momentum transfer models for a fluid pair.
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TURBULENT DISPERSION FORCE : Specifies that turbulent dispersion should be included in momentum transfer models for a fluid pair.
MONITOR OBJECTS Description Singleton Object: Allowed Sub-Objects Optional Sub-Objects MONITOR POINT : Defines the location and quantity to be recorded in a Monitor Point.
MONITOR POINT Description Named Object: Defines the location and quantity to be recorded in a Monitor Point. Allowed Parameters Essential Parameters Option : Default Parameters Coord Frame : Local coordinate frame for computing expressions. The default at the top level of the command data structure is Coord 0, that is no transformation. The default at lower levels is to inherit the value from objects higher up the structure. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Coordinates in Domain, Expression, Vertex in Domain
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Option = Expression Essential Parameters Expression Value : Single valued CEL expression. Option = Coordinates in Domain Essential Sub-Objects CARTESIAN COORDINATES : Position vector specified by cartesian components. Essential Parameters Domain Name : Output Variables List : Option = Vertex in Domain Essential Parameters Vertex Number : Domain Name : Output Variables List :
MORPHOLOGY Description Singleton Object: Fluid morphology in multifluid models Allowed Sub-Objects Optional Sub-Objects PARTICLE SHAPE FACTORS : Defines the shape factor for a particle group. PARTICLE DIAMETER DISTRIBUTION : Defines the size distribution for a particle group. Allowed Parameters Essential Parameters Option : Page 184
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Optional Parameters Minimum Volume Fraction : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Continuous Fluid, Dispersed Fluid, Dispersed Solid, Dispersed Particle Transport Fluid, Dispersed Particle Transport Solid, Unspecified Option = Dispersed Solid Essential Parameters Mean Diameter : Optional Parameters Maximum Packing : Option = Dispersed Fluid Essential Parameters Mean Diameter : Optional Parameters Maximum Packing :
MULTIPHASE MODELS Description Singleton Object: Defines the overall models that control the interaction of two or more phases. Allowed Sub-Objects Optional Sub-Objects FREE SURFACE MODEL : Defines the type of free surface model to be used. Allowed Parameters Optional Parameters CFX-5.6
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Homogeneous Model : Specifies whether the model is homogeneous or not Ballast Fluid : Specified which fluid of a multiphase case has an implied volume fraction. Output Fluid : Homogeneous Coefficient Factor : Factor to enforce homogeneous condition for temperature
NON OVERLAP CONDITIONS Description Singleton Object: Specifies boundary conditions on non overlap regions of a domain interface. NOTE: Not currently implemented in the solver. Allowed Sub-Objects Optional Sub-Objects MASS AND MOMENTUM : Specifies conditions on Mass and Momentum at a boundary. WALL INFLUENCE ON FLOW : Specifies wall velocity or slip conditions at a boundary. WALL ROUGHNESS : Sets wall roughness on a wall boundary condition. HEAT TRANSFER : Specifies heat transfer conditions at a boundary. Allowed Parameters Essential Parameters Boundary Type : Internal parameter tells the type of the boundary.
OMEGA Description Singleton Object: Defines initialisation of turbulent eddy frequency.
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Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value Option = Automatic with Value Optional Parameters Omega : Epsilon : Eddy Length Scale : Eddy Viscosity Ratio : Specify (Turb / Molecular) viscosity ratio Option = Value Optional Parameters Omega : Epsilon : Eddy Length Scale : Eddy Viscosity Ratio : Specify (Turb / Molecular) viscosity ratio
OUTPUT CONTROL Description Singleton Object: Holds object definitions that control output from the solver during execution. Allowed Sub-Objects Optional Sub-Objects TRANSIENT RESULTS : Sets the frequency and contents of intermediate transient results files. CFX-5.6
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BACKUP RESULTS : Defines the frequency and type of backup files created during a solver run. RESULTS : Defines the contents of the final solver results file. MONITOR OBJECTS : TRANSIENT STATISTICS : Specifies the running statistics to be maintained during a transient analysis. RESIDUALS : Specifies the amount of residual information to be written to the OUT file. PARTICLE TRACK FILE : Controls output of particle track records.
PARTICLE CONTROL Description Singleton Object: Holds objects that control the execution and convergence of particle tracking. Allowed Sub-Objects Optional Sub-Objects PARTICLE INTEGRATION : Sets details of the particle tracking integration algorithm. PARTICLE UNDER RELAXATION FACTORS : Sets under relaxation factors on particle tracking sources.
PARTICLE DIAMETER DISTRIBUTION Description Singleton Object: Defines the size distribution for a particle group. Allowed Parameters Essential Parameters Option :
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Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Specified Diameter, Uniform in Diameter by Number, Uniform in Diameter by Mass, Normal in Diameter by Number, Normal in Diameter by Mass, Rosin Rammler, Nukiyama Tanasawa Option = Nukiyama Tanasawa Essential Parameters Rosin Rammler Size : Rosin Rammler Power : Nukiyama Tanasawa Power : Option = Rosin Rammler Essential Parameters Rosin Rammler Size : Rosin Rammler Power : Option = Specified Diameter Essential Parameters Diameter : Option = Normal in Diameter by Number Essential Parameters Mean Diameter : Standard Deviation in Diameter : Minimum Diameter : Maximum Diameter : Option = Uniform in Diameter by Mass Essential Parameters Minimum Diameter : Maximum Diameter :
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Option = Uniform in Diameter by Number Essential Parameters Minimum Diameter : Maximum Diameter : Option = Normal in Diameter by Mass Essential Parameters Mean Diameter : Standard Deviation in Diameter : Minimum Diameter : Maximum Diameter :
PARTICLE INTEGRATION Description Singleton Object: Sets details of the particle tracking integration algorithm. Allowed Parameters Essential Parameters Option : Optional Parameters Iteration Frequency : First Iteration for Particle Calculation : Particle Source Change Target : Maximum Tracking Time : Maximum Tracking Distance : Maximum Number of Integration Steps : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Forward Euler Page 190
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Option = Forward Euler Essential Parameters Number of Integration Steps per Element :
PARTICLE MASS FLOW RATE Description Singleton Object: Defines the mass flow rate for a group of particles. Allowed Parameters Essential Parameters Mass Flow Rate :
PARTICLE POSITION Description Singleton Object: Defines how particle positions are to be distributed on a boundary. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Uniform Injection, Uniform Injection within Annulus, Injection with Line Weighting, Injection with Point Weighting, Injection with Circular Weighting, Injection with User Defined Weighting, Injection at Face Centres, Injection at IP Face Centres Option = Injection with Point Weighting Essential Parameters Number of Positions : CFX-5.6
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Centre Point for Normal Distribution : Standard Deviation for Normal Distribution : Option = Uniform Injection Essential Parameters Number of Positions : Option = Uniform Injection within Annulus Essential Parameters Number of Positions : First Point of Axis : Second Point of Axis : Minimum Distance from Axis : Maximum Distance from Axis : Option = Injection with Line Weighting Essential Parameters Number of Positions : First Line Point for Normal Distribution : Second Line Point for Normal Distribution : Standard Deviation for Normal Distribution : Option = Injection with Circular Weighting Essential Parameters Number of Positions : Centre Point for Normal Distribution : Distance from Centre Point : Standard Deviation for Normal Distribution : Option = Injection at Face Centres Option = Injection at IP Face Centres Option = Injection with User Defined Weighting Essential Parameters Page 192
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Number of Positions : Face Weighting Factor :
PARTICLE SHAPE FACTORS Description Singleton Object: Defines the shape factor for a particle group. Allowed Parameters Essential Parameters Cross Sectional Area Factor : Optional Parameters Surface Area Factor :
PARTICLE TRACK FILE Description Singleton Object: Controls output of particle track records. Allowed Parameters Essential Parameters Option : Optional Parameters Track Printing Interval : Track File Format : Keep Track File : Track Positions : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: All Track Positions, Specified Position Interval, Specified Distance Spacing, Specified Time Spacing CFX-5.6
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Option = Specified Position Interval Essential Parameters Track Position Interval : Option = Specified Time Spacing Essential Parameters Track Time Spacing : Option = Specified Distance Spacing Essential Parameters Track Distance Spacing :
PARTICLE UNDER RELAXATION FACTORS Description Singleton Object: Sets under relaxation factors on particle tracking sources. Allowed Parameters Optional Parameters Velocity Under Relaxation Factor : Energy Under Relaxation Factor : Mass Under Relaxation Factor :
PHASE CHANGE MODEL Description Singleton Object: Specifies the cavitation model. Allowed Parameters Essential Parameters Option :
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Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: User Defined, Thermal Phase Change Option = User Defined Essential Parameters Fluid1to2 Phase Change Mass Flux : mass flux from fluid 1 to 2 Option = Thermal Phase Change Essential Parameters Saturation Temperature : Saturation temperature for vaporisation or boiling of a pure substance. Optional Parameters Secondary Heat Flux Option : Expert parameter to assess different options for secondary heat fluxes with phase change mass transfer
PHYSICS Description Singleton Object: Used by CFX-Pre to describe physical consistency checking. Allowed Sub-Objects Optional Sub-Objects BUILT IN : Declares an intrinsic physics check in CFX-Pre. CHECK : Declares a data-driven physics check in CFX-Pre.
PITCH CHANGE Description Singleton Object: Defines how pitch change is calculated across a domain interface.
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Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Value, Specified Pitch Angles Option = Value Essential Parameters Pitch Ratio : Gives the fractional change in area from side 1 to side 2 of a domain interface Option = Specified Pitch Angles Essential Parameters Pitch Angle Side1 : Pitch angle on first side of a GGI interface Pitch Angle Side2 : Pitch angle on second side of a GGI interface
PRESSURE AVERAGING Description Singleton Object: Controls details of how pressure is averaged over an outlet. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Average Over Whole Outlet, Average Above Specified Radius, Average Below Specified Radius
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Option = Average Above Specified Radius Essential Parameters Radius : Option = Average Below Specified Radius Essential Parameters Radius :
PRIMITIVE REGIONS Description Singleton Object: Allowed Parameters Essential Parameters Primitive Region List : List of regions imported into a map.
PRIMITIVE2D Description Named Object: This is the faceted display for a 2DRegion Allowed Parameters Optional Parameters Draw Faces : Toggles the visibility filled faces for this graphics objectin the viewer. Face Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the faces on a graphics object. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. CFX-5.6
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Lighting : Toggles the lighting of this graphics object in the viewer. Specular Lighting : Toggles the specular lighting of this object in the viewer. Culling Mode : Controls the face culling of this object in the viewer. Draw Lines : Toggles the visibility of lines around each face of this graphics object. Render Edge Angle : The angle between two faces used to limit visible edges in a wireframe. Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Visibility : Toggles the visibility of this graphics object in the viewer. Prim2d Visibility : Toggles the visibility of this graphics object in the viewer. Show Label : If true display label
PRIMITIVE3D Description Named Object: Links 2D primitives to their parent 3D primitive, is also a wireframe. Allowed Sub-Objects Optional Sub-Objects PRIMITIVE2D : This is the faceted display for a 2DRegion Allowed Parameters Optional Parameters Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring an object with constant colour. Page 198
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Edge Angle : The angle between two faces used to limit visible edges in a wireframe. Visibility : Toggles the visibility of this graphics object in the viewer. Prim3d Visibility : Toggles the visibility of this graphics object in the viewer. Show Label : If true display label
PRODUCTS Description Singleton Object: Defines the method of product generation in a reaction. Allowed Parameters Essential Parameters Option : Optional Parameters Reaction Order List : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Stoichiometric, Mass Ratio Option = Stoichiometric Essential Parameters Materials List : Stoichiometric Coefficient List :
PROPERTIES Description Singleton Object: Holds the definition of all physical properties for a material. CFX-5.6
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Allowed Sub-Objects Optional Sub-Objects SPECIFIC HEAT CAPACITY : Hold the details for an advanced description of Specific Heat Capacity. THERMAL CONDUCTIVITY : Hold the details for an advanced descriptions of Thermal Conductivity. DYNAMIC VISCOSITY : Hold the details for an advanced description of Dynamic Viscosity. Allowed Parameters Essential Parameters Option : Optional Parameters Molar Mass : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: General Fluid, Ideal Gas, Solid, Homogeneous Binary Mixture, Ideal Mixture, Table, Base Material, Unspecified Option = Table Optional Sub-Objects TABLE UNITS : Defines the base units for a property table. Essential Parameters Table Format : Type of table format for specifying material properties Table Name : Path and name of the file which contains tables of material properties Optional Parameters Absorption Coefficient : The Absorption Coefficient for a Gray Gas Isentropic Compressibility : Isothermal Compressibility : Refractive Index : Page 200
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Reference Pressure : Reference Specific Enthalpy : Reference Specific Entropy : Reference Temperature : Specific Heat Capacity : Specific Heat Capacity at Constant Volume : Scattering Coefficient : Thermal Conductivity : Thermal Expansivity : Dynamic Viscosity : Minimum Temperature : Maximum Temperature : Minimum Absolute Pressure : Maximum Absolute Pressure : Speed Of Sound : Density Depends On : Specific Heat Depends On : Enthalpy Table Error Tolerance : Enthalpy Table Maximum Points : Enthalpy Table Temperature Extrapolation : Enthalpy Table Pressure Extrapolation : Entropy Table Error Tolerance : Check Entropy Table Consistency : Entropy Table Maximum Points : Entropy Table Temperature Extrapolation : Entropy Table Pressure Extrapolation : Option = Ideal Mixture Optional Parameters Absorption Coefficient : The Absorption Coefficient for a Gray Gas Density : Material density Dynamic Viscosity : CFX-5.6
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Isentropic Compressibility : Isothermal Compressibility : Refractive Index : Scattering Coefficient : Specific Heat Capacity : Specific Heat Capacity at Constant Volume : Speed Of Sound : Thermal Conductivity : Thermal Expansivity : Minimum Temperature : Maximum Temperature : Minimum Absolute Pressure : Maximum Absolute Pressure : Reference Pressure : Reference Specific Enthalpy : Reference Specific Entropy : Reference Temperature : Density Depends On : Specific Heat Depends On : Option = Homogeneous Binary Mixture Essential Sub-Objects SATURATION TEMPERATURE : Defines the Saturation Temperature used in a multiphase mass transfer model. SATURATION PRESSURE : Defines the Saturation Pressure used in a multiphase mass transfer model. Optional Parameters Absorption Coefficient : The Absorption Coefficient for a Gray Gas Density : Material density Dynamic Viscosity : Isentropic Compressibility : Isothermal Compressibility : Refractive Index : Page 202
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Scattering Coefficient : Specific Heat Capacity : Specific Heat Capacity at Constant Volume : Speed Of Sound : Thermal Conductivity : Thermal Expansivity : Minimum Temperature : Maximum Temperature : Minimum Absolute Pressure : Maximum Absolute Pressure : Reference Pressure : Reference Specific Enthalpy : Reference Specific Entropy : Reference Temperature : Density Depends On : Specific Heat Depends On : Option = Solid Essential Parameters Density : Material density Optional Parameters Absorption Coefficient : The Absorption Coefficient for a Gray Gas Refractive Index : Scattering Coefficient : Specific Heat Capacity : Thermal Conductivity : Option = General Fluid Essential Parameters Density : Material density Optional Parameters Emissivity : Surface Emissivity Absorption Coefficient : The Absorption Coefficient for a Gray Gas CFX-5.6
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Isentropic Compressibility : Isothermal Compressibility : Refractive Index : Reference Pressure : Reference Specific Enthalpy : Reference Specific Entropy : Reference Temperature : Specific Heat Capacity : Specific Heat Capacity at Constant Volume : Scattering Coefficient : Thermal Conductivity : Thermal Expansivity : Dynamic Viscosity : Minimum Temperature : Maximum Temperature : Minimum Absolute Pressure : Maximum Absolute Pressure : Speed Of Sound : Density Depends On : Specific Heat Depends On : Enthalpy Table Error Tolerance : Enthalpy Table Maximum Points : Enthalpy Table Temperature Extrapolation : Enthalpy Table Pressure Extrapolation : Entropy Table Error Tolerance : Entropy Table Maximum Points : Entropy Table Temperature Extrapolation : Entropy Table Pressure Extrapolation : Check Entropy Table Consistency : Option = Base Material Essential Parameters Page 204
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Base Material : Option = Ideal Gas Optional Parameters Absorption Coefficient : The Absorption Coefficient for a Gray Gas Refractive Index : Reference Pressure : Reference Specific Enthalpy : Reference Specific Entropy : Reference Temperature : Specific Heat Capacity : Specific Heat Capacity at Constant Volume : Scattering Coefficient : Thermal Conductivity : Thermal Expansivity : Dynamic Viscosity : Minimum Temperature : Maximum Temperature : Minimum Absolute Pressure : Maximum Absolute Pressure : Specific Heat Depends On : Enthalpy Table Error Tolerance : Enthalpy Table Maximum Points : Enthalpy Table Temperature Extrapolation : Enthalpy Table Pressure Extrapolation : Entropy Table Error Tolerance : Entropy Table Maximum Points : Entropy Table Temperature Extrapolation : Entropy Table Pressure Extrapolation : Check Entropy Table Consistency : Density : Material density Speed Of Sound : CFX-5.6
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RADIATION INTENSITY Description Singleton Object: Defines initialisation of radiation intensity. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value Option = Automatic with Value Optional Parameters Radiation Intensity : Blackbody Temperature : Blackbody Temperature at a radiative boundary Option = Value Optional Parameters Radiation Intensity : Blackbody Temperature : Blackbody Temperature at a radiative boundary
RADIATION SOURCE Description Named Object: Holds source terms and linearisation coefficients for the radiation.
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Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Isotropic Radiation Source, Directional Radiation Source, Isotropic Radiation Flux, Directional Radiation Flux Option = Directional Radiation Flux Essential Sub-Objects DIRECTION : Defines the direction used for radiation boundary conditions. Essential Parameters Radiation Flux : Option = Directional Radiation Source Essential Sub-Objects DIRECTION : Defines the direction used for radiation boundary conditions. Essential Parameters Radiation Source : Option = Isotropic Radiation Flux Essential Parameters Radiation Flux : Option = Isotropic Radiation Source Essential Parameters Radiation Source :
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RAY TRACING CONTROL Description Singleton Object: Controls details of the ray tracing algorithms for Monte Carlo radiation. Allowed Parameters Optional Parameters Iteration Interval : Maximum Buffer Size : Maximum size of buffer used to hold tracking information in words Maximum Number of Track Segments : Maximum number of segments in a radiation track Maximum Number of Iterations : Ray Reflection Threshold : Ignore rays reflected with intensity below this File Path : Path to store ray trace files.
REACTANTS Description Singleton Object: Specifies the reactant materials in a chemical reaction. Allowed Parameters Essential Parameters Option : Optional Parameters Reaction Order List : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Stoichiometric, Mass Ratio Page 208
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Option = Stoichiometric Essential Parameters Materials List : Stoichiometric Coefficient List :
REACTION Description Named Object: Allowed Parameters Essential Parameters Option : Optional Parameters Long Name : Materials List : Object Origin : Where the Object definition came from. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Single Step, Multi Step, Flamelet Library Option = Flamelet Library Optional Sub-Objects LAMINAR FLAME SPEED : Defines the Laminar Flame Speed for a combustion calculation. Essential Parameters Library File : File holding the library. Optional Parameters Skip Over Scalar Dissipation Rate Samples : Skip over leading N Scalar Dissipation Rate samples in Flamelet library (0 or 1 for CFXTASCflow compatibility).
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Option = Single Step Essential Sub-Objects REACTANTS : Specifies the reactant materials in a chemical reaction. PRODUCTS : Defines the method of product generation in a reaction. Optional Sub-Objects THIRD BODY TERM : Sets the Third Body (catalyst) term in a chemical reaction. FORWARD REACTION RATE : BACKWARD REACTION RATE : Defines the backwards rate for a chemical reaction. COMBUSTION MODEL : Defines the combustion model to be used. Option = Multi Step Essential Parameters Reactions List :
REGION Description Named Object: Gathers together a group of regions. Context Sensitive Settings Context Controlling Parameter: Combination Allowed Context Settings: Union, Intersection, Complement, Alias, Difference, Symmetric Difference Combination = Alias Optional Parameters Combination : The method of combination for region lists. Show Label : If true display label Region List : List of subregions for a region Combination = Intersection Optional Parameters Combination : The method of combination for region lists. Show Label : If true display label Region List : List of subregions for a region Combination = Symmetric Difference Optional Parameters Combination : The method of combination for region lists. Region List A : List of subregions for a region Region List B : List of subregions for a region Show Label : If true display label
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Combination = Complement Optional Parameters Combination : The method of combination for region lists. Show Label : If true display label Region List : List of subregions for a region Combination = Difference Optional Parameters Combination : The method of combination for region lists. Region List A : List of subregions for a region Region List B : List of subregions for a region Show Label : If true display label Combination = Union Optional Parameters Combination : The method of combination for region lists. Show Label : If true display label Region List : List of subregions for a region
REGION ATLAS Description Named Object: Allowed Sub-Objects Optional Sub-Objects REGION MAP :
REGION MAP Description Named Object: CFX-5.6
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Allowed Sub-Objects Optional Sub-Objects REGION : Gathers together a group of regions. PRIMITIVE REGIONS :
RESIDUALS Description Singleton Object: Specifies the amount of residual information to be written to the OUT file. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Minimal, Full
RESISTANCE SOURCE Description Singleton Object: Defines momentum resistance term. Allowed Parameters Optional Parameters Linear Resistance Coefficient : Quadratic Resistance Coefficient : Include Resistance in Rhie Chow : Indicates whether resistance term modifies the Rhie Chow mass-momentum coupling term in the continuity equation.
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Use Mass Consistent Velocities : Indicates whether mass-consistent velocities are to be used for resistance terms.
RESULTS Description Named Object: Defines the contents of the final solver results file. Allowed Parameters Essential Parameters Option : Optional Parameters Output Variable Operators : Sets whether or not variable gradients and High Resolution "Beta" Fields are output to results files. Output Boundary Flows : Sets whether or not boundary equation flows are output to results files. If these are in minimal files then accurate calculations of forces are possible in CFX-Post. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Selected Variables,Essential, Full Option = Selected Variables Essential Parameters Output Variables List : Optional Parameters Output Variable Operators : Sets whether or not variable gradients and High Resolution "Beta" Fields are output to results files. Output Boundary Flows : Sets whether or not boundary equation flows are output to results files. If these are in minimal files then accurate calculations of forces are possible in CFX-Post. Option = Essential Optional Parameters CFX-5.6
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Output Boundary Flows : Sets whether or not boundary equation flows are output to results files. If these are in minimal files then accurate calculations of forces are possible in CFX-Post. Option = Full Optional Parameters Output Boundary Flows : Sets whether or not boundary equation flows are output to results files. If these are in minimal files then accurate calculations of forces are possible in CFX-Post.
ROOT Description Singleton Object: The top level object for all CCL. Allowed Sub-Objects Optional Sub-Objects: PHYSICS : Used by CFX-Pre to describe physical consistency checking. LIBRARY : Stores common object descriptions for reference in the main problem definition. FLOW : The top-level object of the CFD problem definition. USER : Object that stores user-defined parameters for use in user defined functions or junction box routines. COMMAND FILE : Stores the Version of the current command file. CCL2FLOW : Container object for ccl2flow-only data. DATA READER : This object contains the temporary directory path. It is used by the "load" action. EXPORT : Holds parameters which control the export of data to an external text file. EXPRESSION EVALUATOR : This singleton evaluates the specified Expression and stores the Result. EXPRESSION PREVIEW : This singleton is used to generate data for expression preview graphs. GTM DATA : CFX-5.6
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HARDCOPY : This object contains the settings used to control the creation of hardcopy output from the viewer. It is used by the "print" action. LABEL CONTROL : Controls visibility of labels MESH TRANSFORMATION : This object contains user info necessary to generate a mesh transformation.Passed from GUI, combined with Absolute in MeshCalcFunc SESSION : Stores parameters used by the readsession command. STATE : Stores parameters used by the readstate and savestate commands. UNIT SYSTEM : This object stores the preferred units. VIEWER : This object stores the viewport settings. VIEWPORT MANAGER : This object stores the parameters that control the global viewport controls. WRITE CASE FILE : Holds parameters which control the creation of a case file and subsequent actions. VIEWPORT : This object stores the viewport settings. VECTOR VARIABLE : A object used to reference the data associated with a vector quantity in the results file. WIREFRAME : Plots an outline of the domain given by edges between elements with greater than the specified angle. SCALAR VARIABLE : A object used to reference the data associated with a scalar quantity in the results file. USER SCALAR VARIABLE : A object used to reference user-defined data. CAMERA : Defines a camera that can be used to specify the current view in the VIEWER object. PRIMITIVE2D : This is the faceted display for a 2DRegion PRIMITIVE3D : Links 2D primitives to their parent 3D primitive, is also a wireframe. ASSEMBLY : Links 3D primitives to their parent mesh assembly REGION ATLAS : ASSEMBLY : Links 3D primitives to their parent mesh assembly CAMERA : Defines a camera that can be used to specify the current view in the VIEWER object. Page 218
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DATA READER : This object contains the temporary directory path. It is used by the "load" action. EXPORT : Holds parameters which control the export of data to an external text file. EXPRESSION EVALUATOR : This singleton evaluates the specified Expression and stores the Result. EXPRESSION PREVIEW : This singleton is used to generate data for expression preview graphs. GTM DATA : HARDCOPY : This object contains the settings used to control the creation of hardcopy output from the viewer. It is used by the "print" action. LABEL CONTROL : Controls visibility of labels MESH TRANSFORMATION : This object contains user info necessary to generate a mesh transformation.Passed from GUI, combined with Absolute in MeshCalcFunc PRIMITIVE2D : This is the faceted display for a 2DRegion PRIMITIVE3D : Links 2D primitives to their parent 3D primitive, is also a wireframe. REGION ATLAS : SCALAR VARIABLE : A object used to reference the data associated with a scalar quantity in the results file. SESSION : Stores parameters used by the readsession command. STATE : Stores parameters used by the readstate and savestate commands. UNIT SYSTEM : This object stores the preferred units. USER SCALAR VARIABLE : A object used to reference user-defined data. VECTOR VARIABLE : A object used to reference the data associated with a vector quantity in the results file. VIEWER : This object stores the viewport settings. VIEWPORT : This object stores the viewport settings. VIEWPORT MANAGER : This object stores the parameters that control the global viewport controls. WIREFRAME : Plots an outline of the domain given by edges between elements with greater than the specified angle. CFX-5.6
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WRITE CASE FILE : Holds parameters which control the creation of a case file and subsequent actions.
SATURATION PRESSURE Description Singleton Object: Defines the Saturation Pressure used in a multiphase mass transfer model. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Value, Antoine Equation, Automatic Option = Antoine Equation Essential Parameters Antoine Reference State Constant A : Data for Antoine vapour pressure equation. Antoine Enthalpic Coefficient B : Data for Antoine vapour pressure equation. Antoine Temperature Offset C : Data for Antoine vapour pressure equation. Antoine Pressure Scale : Units of pressure for Antoine vapour pressure equation. Option = Value Essential Parameters Saturation Pressure : Saturation pressure for cavitation of a pure substance.
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SATURATION TEMPERATURE Description Singleton Object: Defines the Saturation Temperature used in a multiphase mass transfer model. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Value, Automatic Option = Value Essential Parameters Saturation Temperature : Saturation temperature for vaporisation or boiling of a pure substance.
SCALAR VARIABLE Description Named Object: A object used to reference the data associated with a scalar quantity in the results file. Allowed Parameters Optional Parameters Boundary Values : Sets the type of boundary values to be presented for this variable (Conservative or Hybrid). User Units : Not currently used. Internal Parameters VarMin : The global minimum value from this variable as read from the RES file. CFX-5.6
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VarMax : The global maximum value from this variable as read from the RES file. HybridMin : The global hybrid minimum value from this variable as read from the RES file. HybridMax : The global hybrid maximum value from this variable as read from the RES file. Variable Dimensions : The dimensions of the variable as read from the results file. Base Units : The base units of a variable. Variable : The name of the variable used to create the object. Should be set equal to the name of a currently defined VARIABLE object. Component Index : Specifies vector component to be used for the variable. Recipe : Contains instructions on how to build a value list for the variable. Has Hybrid Values : Internal parameter specifying whether a variable can load Hybrid Values on boundary nodes. User Level : Specifies the user level of the variable. Quantity Type : Specifies the Quantity Type of the variable. Related Object : Specifies the Object that this variable is related to. This is only applicable for Variables that are defined as Local to a specific geometry. Variable Is Turbo : Parameter indicating whether it is a turbo variable Context Sensitive Settings Context Controlling Parameter: Recipe Allowed Context Settings: Standard, Vector Component Recipe = Vector Component Recipe = Standard Optional Parameters Boundary Values : Sets the type of boundary values to be presented for this variable (Conservative or Hybrid).
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SCATTERING MODEL Description Singleton Object: Defines the thermal radiation scattering model Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: None, Isotropic, Linear Anisotropy Option = Linear Anisotropy Essential Parameters Anisotropy : Coefficient in Linear Anisotropy Scattering Phase Function
SESSION Description Singleton Object: Stores parameters used by the readsession command. Allowed Parameters Essential Parameters Session Filename : The name of the session file to which session data will be saved. Optional Parameters Write Session Mode : This parameter indicates whether the session file should be overwritten or appended to if it exists.
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SIMULATION TYPE Description Singleton Object: Controls if the simulation is Steady or Transient. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Steady State, Transient Option = Transient Essential Sub-Objects INITIAL TIME : Defines the Initial Time for a Transient Calculation. TIME DURATION : Specifies the length of time to be simulated in a transient analysis.
SOLID MODELS Description Singleton Object: Defines the model details that operate on the solids within the domain. Allowed Sub-Objects Optional Sub-Objects HEAT TRANSFER MODEL : Specifies the Heat Transfer Model to be used in a domain. THERMAL RADIATION MODEL : Defines the Thermal Radiation model to be used in the domain.
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ADDITIONAL VARIABLE : Hold information specific to a single additional variable. This object is used in a number of different contexts, including the specification of boundary conditions, sources, initial conditions, etc.
SOLID PRESSURE MODEL Description Singleton Object: Sets the model to be used for solids pressure forces in a multiphase calculation. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: None, Elasticity Modulus, Gidaspow Option = Gidaspow Essential Parameters Compaction Modulus : Parameter in Gidaspow model for solid pressure. Reference Elasticity Modulus : Parameter in Gidaspow model for solid pressure. Option = Elasticity Modulus Essential Parameters Elasticity Modulus :
SOLUTION UNITS Description Singleton Object: Sets the base solution units for the calculation. CFX-5.6
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Allowed Parameters Default Parameters Mass Units : Length Units : Time Units : Temperature Units : Angle Units : Angle Units Chemical Amount Units : Units for chemical amounts Luminance Units : Current Units : Units for electric current. Solid Angle Units : Money Units :
SOLVER CONTROL Description Singleton Object: Holds all objects that control discretisation and execution of the solution process. Allowed Sub-Objects Optional Sub-Objects ADVECTION SCHEME : Defines the scheme used by the solver to discretise the advection term in transport equations. BODY FORCES : Defines the details of discretisation of body forces. CONVERGENCE CONTROL : Holds basic parameters that affect solver convergence. CONVERGENCE CRITERIA : Specifies the criteria for final solution convergence. DYNAMIC MODEL CONTROL : Holds objects that control the temporary simplification of models to improve solver start-up robustness. EQUATION CLASS : Defines equation classes for applying solver controls. Page 226
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EQUATION : Defines equation classes for applying solver controls. INTERSECTION CONTROL : Holds advanced parameters to control the details of interface discretisation. JUNCTION BOX ROUTINES : TRANSIENT SCHEME : Defines the discretisation algorithm for the transient term. VELOCITY PRESSURE COUPLING : Defines discretisation details for velocity/pressure coupling. PARTICLE CONTROL : Holds objects that control the execution and convergence of particle tracking. THERMAL RADIATION CONTROL : Holds parameters and objects that control the solution of Thermal Radiation. Allowed Parameters Optional Parameters Catalogue Size Multiplier :
SOOT Description Singleton Object: Defines initialisation of Soot. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value, Mass Concentration and Nuclei Concentration, Mass Fraction and Nuclei Specific Concentration, Conservative Interface Flux Option = Automatic with Value Optional Parameters CFX-5.6
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Mass Concentration : Mass Fraction : Option = Mass Fraction and Nuclei Specific Concentration Optional Parameters Mass Fraction : Nuclei Specific Concentration : Nuclei Specific Concentration Option = Mass Concentration and Nuclei Concentration Optional Parameters Mass Concentration : Nuclei Concentration : Nuclei Concentration Option = Value Optional Parameters Mass Concentration : Mass Fraction :
SOOT MODEL Description Singleton Object: Sets parameters that control the soot model. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: None, Magnussen Option = Magnussen Essential Parameters Page 228
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Fuel Material : Main Fuel Material Optional Parameters Fuel Consumption Reaction : Main Fuel Consumption Reaction Fuel Carbon Mass Fraction : Mass Fraction of Carbon in the Fuel Soot Density : Soot Density Soot Particle Mean Diameter : Mean Diameter of Soot Particles Nuclei Formation Pre Exponential Factor : Pre Exponential Factor for Spontaneous Nuclei Formation Nuclei Formation Activation Temperature : Activation Temperature for Spontaneous Nuclei Formation Nuclei Linear Coefficient : Coefficient for linear source term in nuclei equation (f-g). Nuclei Cross Coefficient : Coefficient for non-linear source term in nuclei equation (g0). Soot Linear Coefficient : Coefficient for linear source term in soot equation (a). Soot Cross Coefficient : Coefficient for non-linear source term in soot equation (b). Fine Structure Length Coefficient : Fine structure length coefficient for Eddy Dissipation Concept (EDC) Fine Structure Velocity Coefficient : Fine structure velocity coefficient for Eddy Dissipation Concept (EDC)
Allowed Context Settings: Automatic, Automatic with Value, Default, Value Option = Automatic with Value Optional Parameters Nuclei Concentration : Nuclei Concentration Nuclei Specific Concentration : Nuclei Specific Concentration Option = Value Optional Parameters Nuclei Concentration : Nuclei Concentration Nuclei Specific Concentration : Nuclei Specific Concentration
SOURCE POINT Description Named Object: Location and specification of a point source. Allowed Sub-Objects Essential Sub-Objects CARTESIAN COORDINATES : Position vector specified by cartesian components. Optional Sub-Objects SOURCES : Holds the definition of sources for one or more equations. BULK SOURCES : Specifies bulk sources in multi-fluid flow. FLUID : This object encloses fluid-specific models and data. Allowed Parameters Essential Parameters Option : Default Parameters
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Coord Frame : Local coordinate frame for computing expressions. The default at the top level of the command data structure is Coord 0, that is no transformation. The default at lower levels is to inherit the value from objects higher up the structure. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Coordinates
SOURCES Description Singleton Object: Holds the definition of sources for one or more equations. Allowed Sub-Objects Optional Sub-Objects EQUATION SOURCE : Specifies a source for the named equation. For mass equation use option Fluid Mass Source, or Total Fluid Mass Source. ADDITIONAL VARIABLE : Hold information specific to a single additional variable. This object is used in a number of different contexts, including the specification of boundary conditions, sources, initial conditions, etc. COMPONENT : Hold information specific to a single component of a multi-component fluid. This object is used in a number of different contexts, including the specification of boundary conditions, sources, initial conditions, etc. ENERGY SOURCE : Holds source values and linearisation coefficients for level mode sources in the energy equation. NOTE This feature has been superseded by the more robust residual mode sources specified using the EQUATION SOURCE object. EPSILON SOURCE : Holds source values and linearisation coefficients for level mode sources in the turbulent eddy dissipation equation. NOTE - This feature has been superseded by the more robust residual mode sources specified using the EQUATION SOURCE object. CFX-5.6
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K SOURCE : Holds source values and linearisation coefficients for level mode sources in the turbulent kinetic energy equation. NOTE This feature has been superseded by the more robust residual mode sources specified using the EQUATION SOURCE object. MOMENTUM SOURCE : Holds source terms for momentum. RADIATION SOURCE : Holds source terms and linearisation coefficients for the radiation.
SPECIFIC HEAT CAPACITY Description Singleton Object: Hold the details for an advanced description of Specific Heat Capacity. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Value, NASA Format Option = NASA Format Essential Parameters Temperature Limit List : NASA Coefficient List :
SPECIFIED MASS TRANSFER Description Singleton Object: Specifies the mass transfer rate explicitly.
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Allowed Parameters Essential Parameters Option : Optional Parameters Under Relaxation Factor : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Interfacial Mass Flux, Interfacial Mass Flow Option = Interfacial Mass Flow Essential Parameters Fluid1to2 Mass Flow : Mass flow rate from first fluid to second. Option = Interfacial Mass Flux Essential Parameters Fluid1to2 Mass Flux : mass flux from fluid 1 to 2
SPECTRAL BAND Description Named Object: Defines a spectral band for radiation. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Frequency, Wavelength in Vacuum, Wavenumber in Vacuum
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Option = Frequency Essential Parameters Frequency Lower Limit : Frequency Upper Limit : Option = Wavelength in Vacuum Essential Parameters Wavelength Lower Limit : Wavelength Upper Limit : Option = Wavenumber in Vacuum Essential Parameters Wavenumber Lower Limit : Wavenumber Upper Limit :
SPECTRAL MODEL Description Singleton Object: Defines the type of spectral model to be used in radiation. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Gray, Multiband, Multigray, Weighted Sum of Gray Gases Option = Weighted Sum of Gray Gases Essential Sub-Objects GRAY GAS : Sets the gray gas weighting method for radiation. Page 234
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Option = Multigray Essential Sub-Objects GRAY GAS : Sets the gray gas weighting method for radiation. Option = Multiband Essential Sub-Objects SPECTRAL BAND : Defines a spectral band for radiation.
STANDARD OBJECT Description Named Object: Defines named objects to ccl2flow Allowed Parameters Optional Parameters Definition Method : Specifies definition method for object type. Definition Path : Specifies ccl path to object definition. Solver Type : Specifies MMS prefix for object type. Search List : Specifies lookup patterns.
STATE Description Singleton Object: Stores parameters used by the readstate and savestate commands. Allowed Parameters Essential Parameters State Filename : The name of the state file to which state data will be saved. Optional Parameters Read State Mode : This parameter indicates whether the current system state information should be overwritten or appended to. CFX-5.6
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Save State Mode : This parameter indicates whether the state file should be overwritten if it exists. Load Data : This parameter indicates whether to load the results file or not if a DATA READER object exists in the STATE File for a READSTATE action. Save State Objects : A list of objects to save to the state file. If this list is empty, then all user created objects will be saved.
STATIC PRESSURE Description Singleton Object: Defines initialisation of Static Pressure. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value Option = Automatic with Value Essential Parameters Relative Pressure : Option = Value Essential Parameters Relative Pressure :
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SUBDOMAIN Description Named Object: Stores sources and other local modifications in a specific three dimensional region. Allowed Sub-Objects Optional Sub-Objects SOURCES : Holds the definition of sources for one or more equations. BULK SOURCES : Specifies bulk sources in multi-fluid flow. FLUID : This object encloses fluid-specific models and data. MESH MOVEMENT : Defines the movement or displacement of mesh at a boundary. NOTE - Not fully supported by the solver. Allowed Parameters Optional Parameters Location : A locator name. Default Parameters Coord Frame : Local coordinate frame for computing expressions. The default at the top level of the command data structure is Coord 0, that is no transformation. The default at lower levels is to inherit the value from objects higher up the structure.
SURFACE TENSION MODEL Description Singleton Object: Sets parameters that control the surface tension force model at a free surface interface. Allowed Parameters Essential Parameters Option : Optional Parameters CFX-5.6
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Curvature Under Relaxation Factor : Curvature underrelaxation factor Freestream Damping for Interface Normal : Freestream Damping for Curvature : Surface Tension Weighting Option : Specifies the weighting option for surface tension forces. Include Marangoni Force : Indicates whether tangential component of surface tension force is included Volume Fraction Smoothing : Use smoothed volume fractions for curvature calculation Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: None, Continuum Surface Force Option = Continuum Surface Force Essential Parameters Primary Fluid :
TABLE UNITS Description Singleton Object: Defines the base units for a property table. Allowed Parameters Default Parameters Mass Units : Length Units : Time Units : Temperature Units : Angle Units : Angle Units Chemical Amount Units : Units for chemical amounts Luminance Units : Page 238
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Current Units : Units for electric current. Solid Angle Units : Money Units :
TEMPERATURE Description Singleton Object: Defines initialisation of Temperature. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value Option = Automatic with Value Essential Parameters Temperature : Option = Value Essential Parameters Temperature :
TEMPERATURE VARIANCE Description Singleton Object: Defines data specific to the Temperature Variance equation.
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Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value, Temperature Variance, Temperature Fluctuation, Fluctuation Level Option = Automatic with Value Optional Parameters Temperature Variance : Temperature Fluctuation : Fluctuation Level : Option = Value Optional Parameters Temperature Variance : Temperature Fluctuation : Fluctuation Level : Option = Temperature Fluctuation Essential Parameters Temperature Fluctuation : Option = Temperature Variance Essential Parameters Temperature Variance : Option = Fluctuation Level Essential Parameters Fluctuation Level :
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THERMAL CONDUCTIVITY Description Singleton Object: Hold the details for an advanced descriptions of Thermal Conductivity. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Value, Sutherlands Formula, Orthotropic Cartesian Components, Orthotropic Cylindrical Components Option = Sutherlands Formula Essential Parameters Reference Temperature : Reference Thermal Conductivity : Sutherlands Constant : Option = Orthotropic Cylindrical Components Essential Parameters Thermal Conductivity r Component : r component of orthotropic cylindrical thermal conductivity Thermal Conductivity Theta Component : Theta component of orthotropic cylindrical thermal conductivity Thermal Conductivity Axial Component : Axial component of orthotropic cylindrical thermal conductivity Optional Parameters Axial Coordinate Direction : The direction of the axis for orthotropic conductivity
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Option = Orthotropic Cartesian Components Essential Parameters Thermal Conductivity X Component : x component of orthotropic Cartesian thermal conductivity Thermal Conductivity Y Component : y component of orthotropic Cartesian thermal conductivity Thermal Conductivity Z Component : z component of orthotropic Cartesian thermal conductivity
THERMAL RADIATION Description Singleton Object: Sets the conditions on Thermal Radiation at a boundary Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Adiabatic, Radiation Intensity, External Blackbody Temperature, Conservative Interface Flux, Local Temperature, Opaque, Radiative Heat Flux Option = External Blackbody Temperature Essential Parameters Blackbody Temperature : Blackbody Temperature at a radiative boundary Option = Radiative Heat Flux Essential Parameters Radiative Heat Flux :
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Option = Opaque Essential Parameters Emissivity : Surface Emissivity Diffuse Fraction : Option = Radiation Intensity Essential Parameters Radiation Intensity : Unit Vector X Component : Unit Vector Y Component : Unit Vector Z Component :
THERMAL RADIATION CONTROL Description Singleton Object: Holds parameters and objects that control the solution of Thermal Radiation. Allowed Sub-Objects Optional Sub-Objects COARSENING CONTROL : Holds parameters to control creation of the radiation coarse grid. RAY TRACING CONTROL : Controls details of the ray tracing algorithms for Monte Carlo radiation. VARIABLE : Specification of internal details for internal solver and expression language variables. Allowed Parameters Optional Parameters Iteration Interval : Diagnostic Output Level : Diagnostic Output Level
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THERMAL RADIATION MODEL Description Singleton Object: Defines the Thermal Radiation model to be used in the domain. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: None, Rosseland, P 1, Six Flux, Discrete Transfer, Monte Carlo, Fluid Dependent Option = Monte Carlo Essential Sub-Objects SPECTRAL MODEL : Defines the type of spectral model to be used in radiation. SCATTERING MODEL : Defines the thermal radiation scattering model Optional Parameters Number of Histories : Number of histories for Monte Carlo Maximum Number of Photons : Maximum number of photons tracked simultaneously by Monte Carlo Number of Batches : Number of photon groups Option = Discrete Transfer Essential Sub-Objects SPECTRAL MODEL : Defines the type of spectral model to be used in radiation. SCATTERING MODEL : Defines the thermal radiation scattering model Optional Parameters Page 244
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Number of Rays : Number of rays for Discrete Transfer Option = P 1 Essential Sub-Objects SPECTRAL MODEL : Defines the type of spectral model to be used in radiation. SCATTERING MODEL : Defines the thermal radiation scattering model Option = Rosseland Essential Sub-Objects SPECTRAL MODEL : Defines the type of spectral model to be used in radiation. SCATTERING MODEL : Defines the thermal radiation scattering model Optional Parameters Include Boundary Temperature Slip :
THIRD BODY TERM Description Singleton Object: Sets the Third Body (catalyst) term in a chemical reaction. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Default, Efficiency Factor List Option = Efficiency Factor List Essential Parameters CFX-5.6
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Materials List : Efficiency Factor List :
TIME DURATION Description Singleton Object: Specifies the length of time to be simulated in a transient analysis. Allowed Parameters Optional Parameters Option : Timesteps : Timesteps for the Run : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Total Time, Time per run, Maximum Number of Timesteps, Number of Timesteps per Run Option = Number of Timesteps per Run Essential Parameters Number of Timesteps per Run : Option = Time per run Essential Parameters Time per run : Option = Maximum Number of Timesteps Essential Parameters Maximum Number of Timesteps : Option = Total Time Essential Parameters Page 246
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Total Time :
TRANSIENT RESULTS Description Named Object: Sets the frequency and contents of intermediate transient results files. Allowed Parameters Essential Parameters Option : Optional Parameters Time List : Time Interval : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Minimal, Full,Boundary Only Option = Boundary Only Essential Parameters Output Variables List : Option = Full Optional Parameters Output Boundary Flows : Sets whether or not boundary equation flows are output to results files. If these are in minimal files then accurate calculations of forces are possible in CFX-Post. Option = Minimal Essential Parameters Output Variables List : Optional Parameters
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Output Variable Operators : Sets whether or not variable gradients and High Resolution "Beta" Fields are output to results files. Output Boundary Flows : Sets whether or not boundary equation flows are output to results files. If these are in minimal files then accurate calculations of forces are possible in CFX-Post.
TRANSIENT SCHEME Description Singleton Object: Defines the discretisation algorithm for the transient term. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: First Order Backward Euler, Second Order Backward Euler, High Resolution, Compressive Option = High Resolution Optional Parameters Maximum Blend Factor :
TRANSIENT STATISTICS Description Named Object: Specifies the running statistics to be maintained during a transient analysis. Allowed Parameters Essential Parameters Option : Page 248
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Output Variables List : Optional Parameters Start Iteration List : Stop Iteration List : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Minimum, Maximum, Standard Deviation, Arithmetic Average, Root Mean Square, Full
TURBULENCE Description Singleton Object: Sets conditions on turbulence at a boundary. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Default Intensity and Autocompute Length Scale, Intensity and Auto Compute Length, Intensity and Length Scale, Intensity and Eddy Viscosity Ratio, Low Intensity and Eddy Viscosity Ratio, Medium Intensity and Eddy Viscosity Ratio, High Intensity and Eddy Viscosity Ratio, k and Epsilon, k and Omega, Reynolds Stresses and Length Scale, Reynolds Stresses and Eddy Viscosity Ratio, Reynolds Stresses and Epsilon, Conservative Interface Flux, Kinematic Eddy Viscosity Option = k and Omega Essential Parameters k: Omega : CFX-5.6
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Option = Intensity and Eddy Viscosity Ratio Essential Parameters Fractional Intensity : Eddy Viscosity Ratio : Specify (Turb / Molecular) viscosity ratio Option = Intensity and Length Scale Essential Parameters Fractional Intensity : Eddy Length Scale : Option = High Intensity and Eddy Viscosity Ratio Optional Parameters Fractional Intensity : Eddy Viscosity Ratio : Specify (Turb / Molecular) viscosity ratio Option = Intensity and Auto Compute Length Optional Parameters Fractional Intensity : Option = Medium Intensity and Eddy Viscosity Ratio Optional Parameters Fractional Intensity : Eddy Viscosity Ratio : Specify (Turb / Molecular) viscosity ratio Option = Reynolds Stresses and Epsilon Essential Parameters uu : vv : ww : uv : uw : vw : Epsilon :
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Option = Reynolds Stresses and Eddy Viscosity Ratio Essential Parameters uu : vv : ww : uv : uw : vw : Eddy Viscosity Ratio : Specify (Turb / Molecular) viscosity ratio Option = Kinematic Eddy Viscosity Essential Parameters Kinematic Eddy Viscosity : Option = k and Epsilon Essential Parameters k: Epsilon : Option = Low Intensity and Eddy Viscosity Ratio Optional Parameters Fractional Intensity : Eddy Viscosity Ratio : Specify (Turb / Molecular) viscosity ratio Option = Reynolds Stresses and Length Scale Essential Parameters uu : vv : ww : uv : uw : vw : Eddy Length Scale : CFX-5.6
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TURBULENCE CONTROL Description Singleton Object: Holds information specific to turbulence models for dynamic model control. Allowed Parameters Optional Parameters Lower Turbulence Model : Context Sensitive Settings Context Controlling Parameter: Lower Turbulence Model Allowed Context Settings: Laminar, Zero Equation, Dispersed Phase Zero Equation, k epsilon, RNG k epsilon Lower Turbulence Model = Zero Equation Optional Parameters Transition Iteration : Lower Turbulence Model = Laminar Optional Parameters Transition Iteration : Lower Turbulence Model = RNG k epsilon Optional Parameters Transition Iteration : Lower Turbulence Model = k epsilon Optional Parameters Transition Iteration : Lower Turbulence Model = Dispersed Phase Zero Equation Optional Parameters Transition Iteration : Page 252
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TURBULENCE MODEL Description Singleton Object: Specifies the turbulence model to be used for each fluid in a fluid domain. Allowed Sub-Objects Optional Sub-Objects FREE STREAM TURBULENCE : Sets the level of background turbulence for a turbulence model. NOTE - This is a Beta CCL-only feature. Allowed Parameters Essential Parameters Option : Optional Parameters Homogeneous Model : Specifies whether the model is homogeneous or not Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Laminar, Zero Equation, MIT CFD0 Zero Equation, Dispersed Phase Zero Equation, Eddy Viscosity Transport Equation, k epsilon, RNG k epsilon, k omega, BSL, SST, DES SST, LES Smagorinsky, Reynolds Stress, SSG Reynolds Stress, QI Reynolds Stress, Omega Reynolds Stress, BSL Reynolds Stress, Fluid Dependent Option = Zero Equation Optional Parameters Eddy Viscosity : Specify eddy viscosity for zero-equation turbulence model. Omission of this parameter implies the default formula. Option = LES Smagorinsky Optional Sub-Objects CFX-5.6
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TURBULENCE WALL DAMPING : Sets the turbulence wall damping model. NOTE - This is a Beta CCL-only feature. Optional Parameters Homogeneous Model : Specifies whether the model is homogeneous or not Smagorinsky Model Constant : Kappa : Option = Dispersed Phase Zero Equation Optional Parameters Eddy Viscosity Prandtl Number : Specify eddy viscosity Prandtl number for dispersed phase zero-equation turbulence model. Omission of this parameter implies the default value.
TURBULENCE TRANSFER Description Singleton Object: Specifies turbulence transfer between two phases. Allowed Sub-Objects Optional Sub-Objects ENHANCED TURBULENCE PRODUCTION MODEL : Model settings for multiphase enhanced turbulence production.
TURBULENCE WALL DAMPING Description Singleton Object: Sets the turbulence wall damping model. NOTE This is a Beta CCL-only feature. Allowed Parameters Essential Parameters Option : Optional Parameters Page 254
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Damping Factor : Damping Factor for turbulence wall function damping Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Van Driest,Piomelli
TURBULENT DISPERSION FORCE Description Singleton Object: Specifies that turbulent dispersion should be included in momentum transfer models for a fluid pair. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: None, Lopez de Bertodano, Particle Dispersion Option = Lopez de Bertodano Essential Parameters Turbulent Dispersion Coefficient : Coefficient for turbulent dispersion force in interfluid momentum transfer.
TURBULENT WALL FUNCTIONS Description Singleton Object: Sets the turbulent near-wall treatment at a boundary.
UNIT SYSTEM Description Singleton Object: This object stores the preferred units. Allowed Parameters Essential Parameters Preferred Units System : This specifies the Units System to use. Optional Parameters Update Units to Preferred : This logical indicates whether all displayed units should always be updated to display the preferred units. If this is "false", quantities will be converted to preferred types. Custom Units Setting : This is a comma delimited list of Quantities and their selected units for the Custom Units Setting. The list will contain both Quantities and the units: e.g. Acceleration, m s^-2, Angle, radian, ...
USER Description Singleton Object: Object that stores user-defined parameters for use in user defined functions or junction box routines.
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USER ROUTINE Description Named Object: Sets parameters that control the execution of a userdefined subroutine. Allowed Parameters Essential Parameters Option : Calling Name : Symbolic name for user routine. For FORTRAN routines, this name should be lower case. Library Name : Name of shared library for entry point "Calling Name". Library Path : Directory path for shared object library directories for each platform required. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: User CEL Function, Junction Box Routine Option = Junction Box Routine Essential Parameters Junction Box Location : Locations in solver where junction box routines are to be called.
USER ROUTINE DEFINITIONS Description Singleton Object: Contains definitions for user routines. Allowed Sub-Objects Optional Sub-Objects USER ROUTINE : Sets parameters that control the execution of a user-defined subroutine. CFX-5.6
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USER SCALAR VARIABLE Description Named Object: A object used to reference user-defined data. Allowed Parameters Optional Parameters Boundary Values : Sets the type of boundary values to be presented for this variable (Conservative or Hybrid). User Units : Not currently used. Recipe : Contains instructions on how to build a value list for the variable. Internal Parameters VarMin : The global minimum value from this variable as read from the RES file. VarMax : The global maximum value from this variable as read from the RES file. HybridMin : The global hybrid minimum value from this variable as read from the RES file. HybridMax : The global hybrid maximum value from this variable as read from the RES file. Variable Dimensions : The dimensions of the variable as read from the results file. Base Units : The base units of a variable. Has Hybrid Values : Internal parameter specifying whether a variable can load Hybrid Values on boundary nodes. Quantity Type : Specifies the Quantity Type of the variable. Variable Is Turbo : Parameter indicating whether it is a turbo variable Context Sensitive Settings Context Controlling Parameter: Recipe Allowed Context Settings: Expression
VARIABLE Description Named Object: Specification of internal details for internal solver and expression language variables. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Definition, Value, Cartesian Vector Components, Symmetric Tensor Components Option = Value Optional Parameters Value : Option = Definition Optional Parameters Variable Class : Solver variable class Default Vulnerability : Default vulnerability for non-permanent solver data. MMS Name : Long Name : Status : Under Relaxation Factor : Component Short Names : CFX-5.6
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Component Long Names : Component MMS Names : Component Bounds Flag : Component Upper Bounds : Component Lower Bounds : Component Clip Factors : Bounds Violation Action : Tells the solver what action to take if the variable exceeds its bounds. CEL Root : For internal solver use only. Locates CEL definition of a VARIABLE within solver data structures. General Availability : Physical Availability : Boundary Only Field : Specifies if a variable only exists on a boundary. Field Variable : Variable Description : Variable Scope : Default Parameters Tensor Type : Quantity : User Level : Specifies the user level of the variable. Output to Jobfile : Output to Postprocessor : Option = Symmetric Tensor Components Optional Parameters xxValue : Input expression for symmetric tensor VARIABLE component value in relevant units. yyValue : Input expression for symmetric tensor VARIABLE component value in relevant units. zzValue : Input expression for symmetric tensor VARIABLE component value in relevant units. xyValue : Input expression for symmetric tensor VARIABLE component value in relevant units. Page 260
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xzValue : Input expression for symmetric tensor VARIABLE component value in relevant units. yzValue : Input expression for symmetric tensor VARIABLE component value in relevant units. Option = Cartesian Vector Components Optional Parameters xValue : Input expression for vector VARIABLE component value in relevant units. yValue : Input expression for vector VARIABLE component value in relevant units. zValue : Input expression for vector VARIABLE component value in relevant units.
VECTOR VARIABLE Description Named Object: A object used to reference the data associated with a vector quantity in the results file. Allowed Parameters Optional Parameters Boundary Values : Sets the type of boundary values to be presented for this variable (Conservative or Hybrid). User Units : Not currently used. Internal Parameters VarMin : The global minimum value from this variable as read from the RES file. VarMax : The global maximum value from this variable as read from the RES file. HybridMin : The global hybrid minimum value from this variable as read from the RES file. HybridMax : The global hybrid maximum value from this variable as read from the RES file.
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Variable Dimensions : The dimensions of the variable as read from the results file. Base Units : The base units of a variable. Has Hybrid Values : Internal parameter specifying whether a variable can load Hybrid Values on boundary nodes. User Level : Specifies the user level of the variable. Quantity Type : Specifies the Quantity Type of the variable. Related Object : Specifies the Object that this variable is related to. This is only applicable for Variables that are defined as Local to a specific geometry. Variable Is Turbo : Parameter indicating whether it is a turbo variable
VELOCITY Description Singleton Object: Sets velocity part of mass and momentum boundary condition Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Normal Speed, Cylindrical Velocity Components, Cartesian Velocity Components, Mass Flow Rate, Restitution Coefficient Option = Restitution Coefficient Optional Parameters Perpendicular Coefficient of Restitution : Parallel Coefficient of Restitution :
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Option = Mass Flow Rate Essential Parameters Mass Flow Rate : Option = Cylindrical Velocity Components Essential Parameters Velocity r Component : Velocity Theta Component : Velocity Axial Component : Optional Parameters Axis Type : Specifies if we are using a Coordinate Axis or Two points to define the axis (only two point axis specification is currently supported) Rotation Axis : Coordinate Frame Axis for rotating domains or cylindrical boundary condition specification Rotation Axis From : First
VELOCITY PRESSURE COUPLING Description Singleton Object: Defines discretisation details for velocity/pressure coupling.
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Allowed Parameters Optional Parameters Lag Transient Term : Body Force Redistribution List : Volume Fraction Weighting Method : Volume Fraction Averaging Type : Method to average volume fractions to elements
VIEWER Description Singleton Object: This object stores the viewport settings. Allowed Parameters Optional Parameters Camera Mode : Defines the current viewer camera mode. It can be either Standard (specified by Standard View parameter) or User Specified, in which case a CAMERA object has to be defined and specified in User Camera parameter. User Camera : Defines the CAMERA object that is used to set up the camera view in the viewer (Note that Camera Mode has to be set to User Specified for this parameter to have effect). Standard View : Defines one of the standard views in the viewer (Note that Camera Mode has to be set to Standard for this parameter to have effect). Background Colour : Defines the R, G and B values for the viewer background colour. Projection : Defines the current projection mode in the viewer. It can be either Perspective or Orthographic. Axis Visibility : Toggles the axis visibility in the viewer. Border Visibility : Toggles the viewport border visibility in the viewer. Light Angle : Defines the viewer light angles in degrees. The first angle goes from left (0) to right (180), and the second goes from up (0) to down (180). Clip Scene : Toggles the scene clipping plane in the viewer. Page 264
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Clip Plane : Defines the CLIP PLANE object that is used for scene clipping. Object Type List : Specifies the list of object types to show in this viewport. If left empty (and Object Name List is empty too), all object types are shown. Object Name List : Specifies the list of objects to show in this viewport. If left empty, all objects are shown. Coord Transform : Specifies the coordinate transformation to apply to all objects shown in this viewport. Maximize Viewport : If set to true, this viewport will be maximised to fill up the screen, regardless of the viewport layout. Highlight Type : Indicates whether to highlight an object with a bounding box or to use a wireframe of the object.
VIEWPORT Description Named Object: This object stores the viewport settings. Allowed Parameters Optional Parameters Camera Mode : Defines the current viewer camera mode. It can be either Standard (specified by Standard View parameter) or User Specified, in which case a CAMERA object has to be defined and specified in User Camera parameter. User Camera : Defines the CAMERA object that is used to set up the camera view in the viewer (Note that Camera Mode has to be set to User Specified for this parameter to have effect). Standard View : Defines one of the standard views in the viewer (Note that Camera Mode has to be set to Standard for this parameter to have effect). Projection : Defines the current projection mode in the viewer. It can be either Perspective or Orthographic. Axis Visibility : Toggles the axis visibility in the viewer. Border Visibility : Toggles the viewport border visibility in the viewer.
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Light Angle : Defines the viewer light angles in degrees. The first angle goes from left (0) to right (180), and the second goes from up (0) to down (180). Clip Scene : Toggles the scene clipping plane in the viewer. Clip Plane : Defines the CLIP PLANE object that is used for scene clipping. Object Type List : Specifies the list of object types to show in this viewport. If left empty (and Object Name List is empty too), all object types are shown. Object Name List : Specifies the list of objects to show in this viewport. If left empty, all objects are shown. Coord Transform : Specifies the coordinate transformation to apply to all objects shown in this viewport. Maximize Viewport : If set to true, this viewport will be maximised to fill up the screen, regardless of the viewport layout. Highlight Type : Indicates whether to highlight an object with a bounding box or to use a wireframe of the object.
VIEWPORT MANAGER Description Singleton Object: This object stores the parameters that control the global viewport controls. Allowed Parameters Optional Parameters Viewport Layout : Specifies the layout of viewports. Viewport List : Specifies the list of viewports to be used in the layout. X Split : The normalised location of the vertical viewport splitter. Y Split : The normalised location of the horizontal viewport splitter. Background Colour : Defines the R, G and B values for the viewer background colour.
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VIRTUAL MASS FORCE Description Singleton Object: Specifies that virtual mass force should be included in momentum transfer models for a fluid pair. Allowed Parameters Default Parameters Virtual Mass Coefficient : Coefficient for virtual mass force in interfluid momentum transfer.
VISKTRB Description Singleton Object: Defines initialisation of turbulent eddy viscosity when running the ke-1e turbulence model which solves for turbulent eddy viscosity. NOTE - This is a Beta solver feature. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value Option = Automatic with Value Essential Parameters Kinematic Eddy Viscosity : Option = Value Essential Parameters Kinematic Eddy Viscosity : CFX-5.6
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VOLUME FRACTION Description Singleton Object: Sets boundary condition or initial condition on volume fraction Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Automatic with Value, Default, Value Option = Automatic with Value Essential Parameters Volume Fraction : Option = Value Essential Parameters Volume Fraction :
WALL ADHESION Description Singleton Object: Specifies surface tension wall conditions at a boundary. Allowed Parameters Essential Parameters Option :
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Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: None, Adhesive Option = Adhesive Essential Parameters Wall Contact Angle : Contact angle for surface tension adhesion at a wall.
WALL CONTACT AREA Description Singleton Object: Specifies fluid-wall contact area for a given fluid under the WALL CONTACT MODEL: Option=Specify Area Fraction. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Area Fraction, Constraint Option = Area Fraction Essential Parameters Area Fraction :
WALL CONTACT MODEL Description Singleton Object: Specifies model for fluid-wall contact and bulk boundary conditions at walls in multi-fluid flow.
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Allowed Sub-Objects Optional Sub-Objects WALL INFLUENCE ON FLOW : Specifies wall velocity or slip conditions at a boundary. WALL ROUGHNESS : Sets wall roughness on a wall boundary condition. HEAT TRANSFER : Specifies heat transfer conditions at a boundary. TURBULENCE : Sets conditions on turbulence at a boundary. VOLUME FRACTION : Sets boundary condition or initial condition on volume fraction COMPONENT : Hold information specific to a single component of a multi-component fluid. This object is used in a number of different contexts, including the specification of boundary conditions, sources, initial conditions, etc. ADDITIONAL VARIABLE : Hold information specific to a single additional variable. This object is used in a number of different contexts, including the specification of boundary conditions, sources, initial conditions, etc. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Use Volume Fraction, Specify Area Fraction
WALL INFLUENCE ON FLOW Description Singleton Object: Specifies wall velocity or slip conditions at a boundary.
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Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: No Slip, Free Slip Option = Free Slip Optional Parameters Include Normal Viscous Force : Indicates whether normal viscous force is included at slip walls Option = No Slip Optional Sub-Objects WALL VELOCITY : Specifies the velocity of a no-slip wall.
WALL LUBRICATION FORCE Description Singleton Object: Specifies that wall lubrication force should be included in momentum transfer models for a fluid pair. Allowed Parameters Default Parameters Lubrication Coefficient C1 : Coefficient C1 for wall lubrication force in interfluid momentum transfer. Lubrication Coefficient C2 : Coefficient C2 for wall lubrication force in interfluid momentum transfer.
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WALL ROUGHNESS Description Singleton Object: Sets wall roughness on a wall boundary condition. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Smooth Wall, Rough Wall, Grooved Wall Option = Grooved Wall Essential Parameters Groove Direction X Component : Groove Direction Y Component : Groove Direction Z Component : Option = Rough Wall Essential Parameters Roughness Height :
Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Automatic, Value, Automatic with Value Option = Automatic with Value Essential Parameters Wall Scale : Option = Value Essential Parameters Wall Scale :
WALL SLIP MODEL Description Singleton Object: Specifies a wall slip model. NOTE - This is a Beta CCL-only feature. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Power Law Option = Power Law Essential Parameters Slip Velocity : Critical Stress : Slip Power : Optional Parameters Under Relaxation Factor : CFX-5.6
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Pressure Coefficient : Normalising Stress :
WALL VELOCITY Description Singleton Object: Specifies the velocity of a no-slip wall. Allowed Parameters Essential Parameters Option : Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Cartesian Components, Cylindrical Components, Counter Rotating Wall, Rotating Wall Option = Cartesian Components Essential Parameters Wall U : Wall V : Wall W : Option = Rotating Wall Essential Parameters Angular Velocity : Rotating speed for a rotating domain or wall Optional Parameters Axis Type : Specifies if we are using a Coordinate Axis or Two points to define the axis (only two point axis specification is currently supported) Rotation Axis : Coordinate Frame Axis for rotating domains or cylindrical boundary condition specification Rotation Axis From : First
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Option = Cylindrical Components Essential Parameters Wall Velocity r Component : Wall Velocity Theta Component : Wall Velocity Axial Component : Optional Parameters Axis Type : Specifies if we are using a Coordinate Axis or Two points to define the axis (only two point axis specification is currently supported) Rotation Axis : Coordinate Frame Axis for rotating domains or cylindrical boundary condition specification Rotation Axis From : First
WIREFRAME Description Named Object: Plots an outline of the domain given by edges between elements with greater than the specified angle. Allowed Parameters Optional Parameters Edge Angle : The angle between two faces used to limit visible edges in a wireframe. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring an object with constant colour. Visibility : Toggles the visibility of this graphics object in the viewer. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Domain List : The list of domains over which to define this object. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing.
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Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer.
WRITE CASE FILE Description Singleton Object: Holds parameters which control the creation of a case file and subsequent actions. Allowed Parameters Essential Parameters Operation : What operation is performed when writing or saving a case file. Optional Parameters Case Filename : The filename to which the case data will be written. Is Sim Closing : if the simulation is being closed, a record of it is stored in the cfx file. Is A Copy : used when doing save as.
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CCL Parameters Absolute Transformation Description: Stores the 4x4 matrix that relates original mesh definition and final position, orientation, and size. First nine values are the upper left 3x3 matrix and the last 3 values are the first 3 values of the rightmost column. Parameter Type: Real List Default Value: 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0
Absorption Coefficient Description: The Absorption Coefficient for a Gray Gas Parameter Type: Real Default Value: 0 [m^-1] Quantity Type: Inverse Length
Activation Energy Description: Activation Energy of a reaction. Parameter Type: Real Quantity Type: Molar Energy
Activation Temperature Description: Activation Temperature of a reaction. Parameter Type: Real Quantity Type: Temperature
Adapt To Geometry Parameter Type: Logical Default Value: On
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Adaption Target Residual Parameter Type: Real Default Value: 0.001
Additional Variable Transfer Coefficient Description: Bulk interphase transfer coefficient for additional variables. Parameter Type: Real Quantity Type: Equation
Additional Variable User Flux Description: Additional Variable Flux value as defined by a userdefined function. NOTE - This is a CCL-only feature. Parameter Type: Real Quantity Type: Additional Variable
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Additional Variable User Flux Coefficient Description: Additional Variable Flux Coefficient value as defined by a user-defined function. NOTE - This is a CCL-only feature. Parameter Type: Real Quantity Type: Equation
Additional Variable Value Description: Additional Variable Value Parameter Type: Real Quantity Type: Additional Variable
Agglomerate Control Surfaces Description: The type of agglomeration used when grouping integration point control surfaces after calculating the intersection Parameter Type: String Allowed Values: None, Control Volume Faces, Element Faces Default Value: None
Algebraic Slip Model Alternate Rotation Model Description: Specifies if the Alternate Rotation Model is active. Parameter Type: Logical Default Value: No
Angle End Description: Second point used to calculate angle Parameter Type: Real List
Angle Start Description: First point used to calculate angle CFX-5.6
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Parameter Type: Real List
Angle Units Description: Angle Units Parameter Type: String Default Value: [rad]
Angular Velocity Description: Rotating speed for a rotating domain or wall Parameter Type: Real Quantity Type: Angular Velocity
Animate Camera Description: Indicates whether to animate the camera (flythrough)along with the other objects, or leave the camera at the current position. Parameter Type: Logical Default Value: On
Animation Filename Description: The name of the file to save this animation to. Parameter Type: String
Animation Frame Rate Description: The Frame Rate at which to generate the Animation MPEG. Parameter Type: String Allowed Values: 24, 25, 30, 50, 60 Default Value: 24
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Animation Hardcopy Filename Description: The path of the file to save a hardcopy to. Parameter Type: String
Animation Name Description: The name of this animation. Parameter Type: String
Anisotropy Description: Coefficient in Linear Anisotropy Scattering Phase Function Parameter Type: Real Default Value: 0.0 Quantity Type: Dimensionless
Antoine Enthalpic Coefficient B Description: Data for Antoine vapour pressure equation. Parameter Type: Real Quantity Type: Temperature
Antoine Pressure Scale Description: Units of pressure for Antoine vapour pressure equation. Parameter Type: Real Default Value: 1 [bar] Quantity Type: Pressure
Antoine Reference State Constant A Description: Data for Antoine vapour pressure equation. Parameter Type: Real Quantity Type: Dimensionless CFX-5.6
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Antoine Temperature Offset C Description: Data for Antoine vapour pressure equation. Parameter Type: Real Quantity Type: Temperature
Apply Instancing Transform Description: Toggles the instancing transformation for this graphics object in the viewer. Parameter Type: Logical Default Value: On
Apply Reflection Description: Toggles reflection in the transformation. Parameter Type: Logical Default Value: false
Apply Rotation Description: Toggles rotation in the transformation. Parameter Type: Logical Default Value: true
Apply Translation Description: Toggles translation in the transformation. Parameter Type: Logical Default Value: false
Area Fraction Description: Contact area fraction of a phase at a wall. Parameter Type: Real Quantity Type: Dimensionless Page 282
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Argument List Description: The list of arguments in the user-defined function. Parameter Type: String List
Assembly Name Description: Name of assembly, for 5.6 assume only one, 1:1 mesh:assembly relationship. Parameter Type: String
Auxiliary Fluids List Description: NOTE - This is a CCL-only feature. Parameter Type: String List
Axial Coordinate Direction Description: The direction of the axis for orthotropic conductivity Parameter Type: String Allowed Values: X,Y,Z Default Value: X
Axis Description: The axis specification for directional quantitative calculations. Parameter Type: String
Axis 3 Point X Coord Description: The X location of the point in the Z axis of the coordinate frame. Parameter Type: Real Quantity Type: Length
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Axis 3 Point Y Coord Description: The Y location of the point in the Z axis of the coordinate frame. Parameter Type: Real Quantity Type: Length
Axis 3 Point Z Coord Description: The Z location of the point in the Z axis of the coordinate frame. Parameter Type: Real Quantity Type: Length
Axis Type Description: Specifies if we are using a Coordinate Axis or Two points to define the axis (only two point axis specification is currently supported) Parameter Type: String Allowed Values: Coordinate Axis,Two Points Default Value: Coordinate Axis
Axis Visibility Description: Toggles the axis visibility in the viewer. Parameter Type: Logical Default Value: true
Background Colour Description: Defines the R, G and B values for the viewer background colour. Parameter Type: Real List Default Value: 0, 0, 0
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Ballast Fluid Description: Specified which fluid of a multiphase case has an implied volume fraction. Parameter Type: String
Base Material Description: Base Material for defining mixture properties. Parameter Type: String List
Base Units Description: The base units of a variable. Parameter Type: String
Bitmap Resolution Description: Bitmap resolution to use on a mesh face when calculating the mesh intersection for a nonmatched domain interface. Parameter Type: Integer Default Value: 100
Blackbody Temperature Description: Blackbody Temperature at a radiative boundary Parameter Type: Real Quantity Type: Temperature
Blend Factor Description: Specifies the blend between pure UDS (0.0) and second order (1.0) discretisation. Parameter Type: Real Default Value: 1.0 Quantity Type: Dimensionless
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Blend Factor Relaxation Description: Under-relaxation factor for the NAC term multiplier Parameter Type: Real Default Value: 0.25 Quantity Type: Dimensionless
Body Force Averaging Type Description: Method to average body forces to elements Parameter Type: String Allowed Values: Volume-Weighted,Harmonic,Arithmetic Default Value: Volume-Weighted
Body Force Fluid Type Parameter Type: String
Body Force Redistribution List Parameter Type: String Allowed Values: None,BFBUOY,SURFTEN_FORCE
Border Visibility Description: Toggles the viewport border visibility in the viewer. Parameter Type: Logical Default Value: false
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Bound Radius Description: Radius of Circular Plane Bound. Parameter Type: Real Default Value: 0.5
Boundary List1 Description: The list of boundaries on side one of a domain interface. Parameter Type: String List
Boundary List2 Description: The list of boundaries on side two of a domain interface. Parameter Type: String List
Boundary Only Field Description: Specifies if a variable only exists on a boundary. Parameter Type: Logical Default Value: No
Boundary Type Description: Internal parameter tells the type of the boundary. Parameter Type: String Allowed Values: OPEN, INLET, OUTLET, OPENING, OPEN MIXED, WALL, SYMMETRY, PERIODIC, INTERFACE
Boundary Values Description: Sets the type of boundary values to be presented for this variable (Conservative or Hybrid). Parameter Type: String Allowed Values: Conservative, Hybrid Default Value: Hybrid
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Bounded Volume Fraction Linearisation Description: Determines whether IPMT terms are linearised to keep volume fractions bounded. Parameter Type: Logical
Bounds Violation Action Description: Tells the solver what action to take if the variable exceeds its bounds. Parameter Type: String Allowed Values: Silent, Warn, Stop Quantity Type: Dimensionless
Buoyancy Reference Density Description: Buoyancy Reference Density Parameter Type: Real Quantity Type: Density
Buoyancy Reference Temperature Description: Buoyancy Reference Temperature Parameter Type: Real Default Value: 300.0 [K] Quantity Type: Temperature
CCL Object Description: The path of the CCL object that is to be Validated using the CUE Physics Checker. Parameter Type: String Default Value: No
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CCL Parameter Description: The path of the CCL parameter that is to be Validated using the CUE Physics Checker. Parameter Type: String Default Value: No
CCL Setup Debug Level Parameter Type: Integer
CEL Root Description: For internal solver use only. Locates CEL definition of a VARIABLE within solver data structures. Parameter Type: String
CallBack Name Description: Callback name for functions. Parameter Type: String
Calling Name Description: Symbolic name for user routine. For FORTRAN routines, this name should be lower case. Parameter Type: String
Camera Mode Description: Defines the current viewer camera mode. It can be either Standard (specified by Standard View parameter) or User Specified, in which case a CAMERA object has to be defined and specified in User Camera parameter. Parameter Type: String Allowed Values: Standard, User Specified Default Value: Standard
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Case Filename Description: The filename to which the case data will be written. Parameter Type: String Default Value: default.cfx
CaseParmName Description: The name of a CCL parameter for reference within a CASE object. Parameter Type: String Default Value: No
CaseParmPath Description: The CCL path of a parameter for reference within a CASE object. Parameter Type: String Default Value: No
Catalogue Memory Factor Description: Increases memory for MMS catalogue in CCLSETUP in case default estimate is insufficient. Parameter Type: Integer
Cavitation Rate Description: Cavitation mass transfer rate from fluid 1 to 2 Parameter Type: Real Quantity Type: Mass Source
Cavitation Rate Under Relaxation Factor Description: Cavitation rate underrelaxation factor Parameter Type: Real Default Value: 0.25 Quantity Type: Dimensionless
Cavitation Vaporization Coefficient Description: Parameter in cavitation model for vaporisation Parameter Type: Real Default Value: 50. Quantity Type: Dimensionless
Centre Point for Normal Distribution Parameter Type: Real List Quantity Type: Length
Character Memory Factor Parameter Type: Integer CFX-5.6
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Check Entropy Table Consistency Parameter Type: Logical Default Value: No
CheckParm Description: The name of the Parameter within a CCL path that is to be checked. Parameter Type: String Default Value: No
CheckValue Description: The allowable value of a Parameter within a particular CCL path. Parameter Type: String Default Value: No
Chemical Amount Units Description: Units for chemical amounts Parameter Type: String Default Value: [mol]
Chemical Timescale Description: Chemical Timescale Limit For Extinction Parameter Type: Real Default Value: 1.37E-4 [s] Quantity Type: Time
Clip Plane Description: Defines the CLIP PLANE object that is used for scene clipping. Parameter Type: String Page 292
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Clip Scene Description: Toggles the scene clipping plane in the viewer. Parameter Type: Logical Default Value: false
Close CFXPre Description: Close the application.. Parameter Type: Logical Default Value: false
Colour Description: A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring an object with constant colour. Parameter Type: Real List Default Value: 1.0, 1.0, 1.0
Colour Mode Description: Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Parameter Type: String Allowed Values: Use Plot Variable, Constant, Variable, Time, Unique Default Value: Constant
Colour Variable Description: The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Parameter Type: String
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Combination Description: The method of combination for region lists. Parameter Type: String Allowed Values: Union, Intersection, Complement, Alias, Difference, Symmetric Difference Default Value: Union
Compaction Modulus Description: Parameter in Gidaspow model for solid pressure. Parameter Type: Real Quantity Type: Dimensionless
Component Bounds Flag Parameter Type: String
Component Clip Factors Parameter Type: Real List Quantity Type: Dimensionless
Component Index Description: Specifies vector component to be used for the variable. Parameter Type: String Allowed Values: 1, 2, 3 Default Value: 1
Component Long Names Parameter Type: String List
Component Lower Bounds Parameter Type: Real List Page 294
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Quantity Type: Dimensionless
Component MMS Names Parameter Type: String List
Component Short Names Parameter Type: String List
Component Upper Bounds Parameter Type: Real List Quantity Type: Dimensionless
Components Bounds Flag Connection Type Description: Specifies if an interface should use best match or GGI interface. Parameter Type: String Allowed Values: Automatic, GGI Default Value: Automatic
Conservation Target Description: The maximum relative equation imbalance for convergence. Parameter Type: Real Default Value: 0.01 Quantity Type: Dimensionless
Constitutive Relation Temperature Criterion Parameter Type: Real Default Value: 0.01 [K] Quantity Type: Temperature
Constitutive Relation Under Relaxation Parameter Type: Real Default Value: 1.0 Quantity Type: Dimensionless
Coord Frame Description: Local coordinate frame for computing expressions. The default at the top level of the command data structure is Coord 0, that is no transformation. The default at lower levels is to inherit the value from objects higher up the structure. Parameter Type: String
Coord Frame Type Description: Specifies if a Coordinate Frame is Cartesian or Cylindrical. Parameter Type: String Allowed Values: Cartesian, Cylindrical Default Value: Cartesian
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Coord Transform Description: Specifies the coordinate transformation to apply to all objects shown in this viewport. Parameter Type: String Allowed Values: Cartesian, Meridional, Blade-to-blade, 2D Meridional, 2D Blade-to-blade Default Value: Cartesian
Critical Stress Parameter Type: Real Quantity Type: Pressure
Cross Sectional Area Factor Parameter Type: Real Default Value: 1.0 Quantity Type: Dimensionless
Culling Mode Description: Controls the face culling of this object in the viewer. Parameter Type: String Allowed Values: No Culling, Back Faces, Front Faces Default Value: No Culling
Current Frame Description: The current frame that is displayed or calculated. This is useful to determine where in the animation you are when stepping through the frames. This is an internal parameter for status display purposes only. Parameter Type: Integer
Current GTM Checkpoint Description: CFX-5.6
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Parameter Type: Integer
Current Units Description: Units for electric current. Parameter Type: String Default Value: [amp]
Curvature Under Relaxation Factor Description: Curvature underrelaxation factor Parameter Type: Real Default Value: 1 Quantity Type: Dimensionless
Custom Units Setting Description: This is a comma delimited list of Quantities and their selected units for the Custom Units Setting. The list will contain both Quantities and the units: e.g. Acceleration, m s^-2, Angle, radian, ... Parameter Type: String List
Damping Factor Description: Damping Factor for turbulence wall function damping Parameter Type: Real Quantity Type: Dimensionless
Data Description: The data list for a user 3d interpolation function. Parameter Type: Real List Quantity Type: Dimensionless
Data Pairs Description: The data list for a user 1d interpolation function. Page 298
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Parameter Type: Real List Quantity Type: Dimensionless
Default Source Variable Description: Define a default entry for Source Variable List for an equation source. Parameter Type: String
Drag Coefficient Derivative Parameter Type: Real Quantity Type: Dimensionless
Draw Faces Description: Toggles the visibility filled faces for this graphics objectin the viewer. Parameter Type: Logical Default Value: On
Draw Lines Description: Toggles the visibility of lines around each face of this graphics object. Parameter Type: Logical Default Value: Off
Dynamic Viscosity Parameter Type: Real Quantity Type: Dynamic Viscosity
Eddy Dissipation Model Coefficient A Description: Eddy Dissipation Model Coefficient A Parameter Type: Real Default Value: 4.0 CFX-5.6
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Quantity Type: Dimensionless
Eddy Dissipation Model Coefficient B Description: Eddy Dissipation Model Coefficient B Parameter Type: Real Default Value: -1.0 Quantity Type: Dimensionless
Eddy Length Scale Parameter Type: Real Quantity Type: Length
Eddy Viscosity Description: Specify eddy viscosity for zero-equation turbulence model. Omission of this parameter implies the default formula. Parameter Type: Real Quantity Type: Dynamic Viscosity
Eddy Viscosity Prandtl Number Description: Specify eddy viscosity Prandtl number for dispersed phase zero-equation turbulence model. Omission of this parameter implies the default value. Parameter Type: Real Quantity Type: Dimensionless
Eddy Viscosity Ratio Description: Specify (Turb / Molecular) viscosity ratio Parameter Type: Real Default Value: 10. Quantity Type: Dimensionless
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Edge Angle Description: The angle between two faces used to limit visible edges in a wireframe. Parameter Type: Real Default Value: 30 [degree]
Efficiency Factor List Parameter Type: Real List Quantity Type: Dimensionless
Elasticity Modulus Description: Parameter in simple model for solid pressure. Parameter Type: Real Quantity Type: Pressure
Energy Flux Parameter Type: Real Quantity Type: Heat Flux in
Energy Flux Coefficient Parameter Type: Real Quantity Type: Heat Transfer Coefficient
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Energy Source Parameter Type: Real Quantity Type: Energy Source
Energy Source Coefficient Parameter Type: Real Quantity Type: Energy Source Coefficient
Energy Under Relaxation Factor Parameter Type: Real Default Value: 0.75 Quantity Type: Dimensionless
Enhanced Eddy Viscosity Description: Specify eddy particle induced eddy viscosity for zeroequation particle induced turbulence model. Omission of this parameter implies the default formula due to Sato. Parameter Type: Real Quantity Type: Dynamic Viscosity
Evaluated Expression Description: A CFX Expression Language expression for usage in EXPRESSION EVALUATOR. Parameter Type: String
Export File Description: The filename to which the exported data will be written. Parameter Type: String Default Value: export.dat
Expression Description: A CFX Expression Language expression. Parameter Type: String
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Expression Value Description: Single valued CEL expression. Parameter Type: Real Quantity Type: Expression
Extend Max Parameter Type: Logical Default Value: No
Extend Min Parameter Type: Logical Default Value: No
Extinction Temperature Description: Extinction-Ignition Temperature Parameter Type: Real Default Value: 900 [K] Quantity Type: Temperature
Face Colour Description: A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the faces on a graphics object. Parameter Type: String List Default Value: 1.0, 1.0, 1.0
Face Weighting Factor Parameter Type: Real Quantity Type: Dimensionless
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Field Variable Parameter Type: Logical Default Value: True
File Path Description: Path to store ray trace files. Parameter Type: String
Final Number of Nodes Parameter Type: String
Fine Structure Length Coefficient Description: Fine structure length coefficient for Eddy Dissipation Concept (EDC) Parameter Type: Real Default Value: 1.43 Quantity Type: Dimensionless
Fine Structure Velocity Coefficient Description: Fine structure velocity coefficient for Eddy Dissipation Concept (EDC) Parameter Type: Real Default Value: 1.74 Quantity Type: Dimensionless
First Iteration for Particle Calculation Parameter Type: Integer Default Value: 10 Quantity Type: Dimensionless
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First Line Point for Normal Distribution Parameter Type: Real Triplet Default Value: 0.0[m],0.0[m],0.0[m] Quantity Type: Length
First Point of Axis Parameter Type: Real Triplet Default Value: 0.0[m],0.0[m],0.0[m] Quantity Type: Length
Fixed Temperature Parameter Type: Real Quantity Type: Temperature
Flow Direction Linearisation Description: Determines the type of linearisation the solver uses to compute coefficients for direction specified flow boundaries. Normal component assumes that the boundary velocity has the same normal component as the vertex velocity. Velocity magnitude assumes they have the same magnitude. Parameter Type: String Allowed Values: Normal Component, Velocity Magnitude
Fluctuation Level Parameter Type: Real Quantity Type: Dimensionless
Fluid Description: The fluid specification for multiphase quantitative calculations. Parameter Type: String CFX-5.6
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Fluid Temperature Parameter Type: Real Quantity Type: Temperature
Fluid1 Additional Variable Flux Coefficient Description: First fluid add. var. coefficient part of flux from first fluid to second. Parameter Type: Real Quantity Type: Equation
Fluid1 Additional Variable Transfer Coefficient Description: Fluid 1 interphase transfer coefficient for additional variables. Parameter Type: Real Quantity Type: Equation
Fluid1 Area Density Coefficient Description: interfacial area density linearisation coefficient against fluid 1 volume fraction Parameter Type: Real Quantity Type: Inverse Length
Fluid1 Flux Coefficient Description: fluid 1 linearisation coefficient of a flux from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1 Flux Fluid1 Coefficient Description: fluid 1 linearisation coefficient of a flux from fluid 1 Parameter Type: Real Quantity Type: Equation Page 312
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Fluid1 Flux Fluid2 Coefficient Description: fluid 2 linearisation coefficient of a flux from fluid 1 Parameter Type: Real Quantity Type: Equation
Fluid1 Flux out Description: scalar flux from fluid 1 Parameter Type: Real Quantity Type: Equation
Fluid1 Heat Flux Coefficient Description: First fluid add. var. coefficient part of flux from first fluid to second. Parameter Type: Real Quantity Type: Heat Transfer Coefficient
Fluid1 Heat Transfer Coefficient Description: Fluid 1 heat transfer coefficient. Parameter Type: Real Quantity Type: Heat Transfer Coefficient
Fluid1 Mass Transfer Coefficient Description: Effective mass transfer coefficient on first-fluid side of interface. Parameter Type: Real Quantity Type: Velocity
Fluid1 Nusselt Number Description: Fluid 1 Nusselt Number for interfluid heat transfer. Parameter Type: Real Quantity Type: Dimensionless CFX-5.6
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Fluid1 Sherwood Number Description: Fluid 1 Sherwood number governing interphase transfer of AV"s and components. Parameter Type: String Quantity Type: Dimensionless
Fluid1 Value Description: scalar value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1 xFlux out Description: x component of vector flux from fluid 1 Parameter Type: Real Quantity Type: Equation
Fluid1 xValue Description: x-component of a vector value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1 xxFlux out Description: xx component of symmetric tensor flux from fluid 1 Parameter Type: Real Quantity Type: Equation
Fluid1 xxValue Description: xx-component of a symmetric tensor value transferred from fluid 1 to 2 Parameter Type: Real Page 314
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Quantity Type: Equation
Fluid1 xyFlux out Description: xy component of symmetric tensor flux from fluid 1 Parameter Type: Real Quantity Type: Equation
Fluid1 xyValue Description: xy-component of a symmetric tensor value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1 xzFlux out Description: xz component of symmetric tensor flux from fluid 1 Parameter Type: Real Quantity Type: Equation
Fluid1 xzValue Description: xz-component of a symmetric tensor value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1 yFlux out Description: y component of vector flux from fluid 1 Parameter Type: Real Quantity Type: Equation
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Fluid1 yValue Description: y-component of a vector value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1 yyFlux out Description: yy component of symmetric tensor flux from fluid 1 Parameter Type: Real Quantity Type: Equation
Fluid1 yyValue Description: yy-component of a symmetric tensor value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1 yzFlux out Description: yz component of symmetric tensor flux from fluid 1 Parameter Type: Real Quantity Type: Equation
Fluid1 yzValue Description: yz-component of a symmetric tensor value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1 zFlux out Description: z component of vector flux from fluid 1 Parameter Type: Real Page 316
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Quantity Type: Equation
Fluid1 zValue Description: z-component of a vector value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1 zzFlux out Description: zz component of symmetric tensor flux from fluid 1 Parameter Type: Real Quantity Type: Equation
Fluid1 zzValue Description: zz-component of a symmetric tensor value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1to2 Additional Variable Flux Description: Value part of flux from first fluid to second. Parameter Type: Real Quantity Type: Equation
Fluid1to2 Flux Description: scalar flux from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1to2 Heat Flux Description: Value part of flux from first fluid to second. CFX-5.6
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Parameter Type: Real Quantity Type: Heat Flux in
Fluid1to2 Mass Flow Description: Mass flow rate from first fluid to second. Parameter Type: Real Quantity Type: Mass Source
Fluid1to2 Mass Flux Description: mass flux from fluid 1 to 2 Parameter Type: Real Quantity Type: Interphase Transfer Coefficient
Fluid1to2 Phase Change Mass Flux Description: mass flux from fluid 1 to 2 Parameter Type: Real Quantity Type: Interphase Transfer Coefficient
Fluid1to2 xFlux Description: x component vector flux from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1to2 xxFlux Description: xx component of symmetric tensor flux from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1to2 xyFlux Description: xy component of symmetric tensor flux from fluid 1 to 2 Parameter Type: Real Page 318
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Quantity Type: Equation
Fluid1to2 xzFlux Description: xz component of symmetric tensor flux from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1to2 yFlux Description: y component of vector flux from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1to2 yyFlux Description: yy component of symmetric tensor flux from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1to2 yzFlux Description: yz component of symmetric tensor flux from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1to2 zFlux Description: z component of vector flux from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Fluid1to2 zzFlux Description: zz component of symmetric tensor flux from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation CFX-5.6
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Fluid2 Additional Variable Flux Coefficient Description: Second fluid add.var. coefficient part of flux from first fluid to second. Parameter Type: Real Quantity Type: Equation
Fluid2 Additional Variable Transfer Coefficient Description: Fluid 2 interphase transfer coefficient for additional variables. Parameter Type: Real Quantity Type: Equation
Fluid2 Area Density Coefficient Description: interfacial area density linearisation coefficient against fluid 1 volume fraction Parameter Type: Real Quantity Type: Inverse Length
Fluid2 Flux Coefficient Description: fluid 2 linearisation coefficient of a flux from fluid 2 to 1 Parameter Type: Real Quantity Type: Equation
Fluid2 Flux Fluid1 Coefficient Description: fluid 2 linearisation coefficient of a flux into fluid 2 Parameter Type: Real Quantity Type: Equation
Fluid2 Flux Fluid2 Coefficient Description: fluid 2 linearisation coefficient of a flux into fluid 2 Parameter Type: Real Page 320
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Quantity Type: Equation
Fluid2 Flux in Description: scalar flux into fluid 2 Parameter Type: Real Quantity Type: Equation
Fluid2 Heat Flux Coefficient Description: Second fluid add.var. coefficient part of flux from first fluid to second. Parameter Type: Real Quantity Type: Heat Transfer Coefficient
Fluid2 Heat Transfer Coefficient Description: Fluid 2 heat transfer coefficient. Parameter Type: Real Quantity Type: Heat Transfer Coefficient
Fluid2 Mass Transfer Coefficient Description: Effective mass transfer coefficient on second-fluid side of interface. Parameter Type: Real Quantity Type: Velocity
Fluid2 Nusselt Number Description: Fluid 2 Nusselt Number for interfluid heat transfer. Parameter Type: Real Quantity Type: Dimensionless
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Fluid2 Sherwood Number Description: Fluid 2 Sherwood number governing interphase transfer of AV"s and components. Parameter Type: String Quantity Type: Dimensionless
Fluid2 Value Description: scalar value transferred from fluid 2 to 1 Parameter Type: Real Quantity Type: Equation
Fluid2 xFlux in Description: x component of vector flux into fluid 2 Parameter Type: Real Quantity Type: Equation
Fluid2 xValue Description: x-component of a vector value transferred from fluid 2 to 1 Parameter Type: Real Quantity Type: Equation
Fluid2 xxFlux in Description: xx component of symmetric tensor flux into fluid 2 Parameter Type: Real Quantity Type: Equation
Fluid2 xxValue Description: xx-component of a symmetric tensor value transferred from fluid 2 to 1 Parameter Type: Real Page 322
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Quantity Type: Equation
Fluid2 xyFlux in Description: xy component of symmetric tensor flux into fluid 2 Parameter Type: Real Quantity Type: Equation
Fluid2 xyValue Description: xy-component of a symmetric tensor value transferred from fluid 2 to 1 Parameter Type: Real Quantity Type: Equation
Fluid2 xzFlux in Description: xz component of symmetric tensor flux into fluid 2 Parameter Type: Real Quantity Type: Equation
Fluid2 xzValue Description: xz-component of a symmetric tensor value transferred from fluid 2 to 1 Parameter Type: Real Quantity Type: Equation
Fluid2 yFlux in Description: y component of vector flux into fluid 2 Parameter Type: Real Quantity Type: Equation
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Fluid2 yValue Description: y-component of a vector value transferred from fluid 2 to 1 Parameter Type: Real Quantity Type: Equation
Fluid2 yyFlux in Description: yy component of symmetric tensor flux into fluid 2 Parameter Type: Real Quantity Type: Equation
Fluid2 yyValue Description: yy-component of a symmetric tensor value transferred from fluid 2 to 1 Parameter Type: Real Quantity Type: Equation
Fluid2 yzFlux in Description: yz component of symmetric tensor flux into fluid 2 Parameter Type: Real Quantity Type: Equation
Fluid2 yzValue Description: yz-component of a symmetric tensor value transferred from fluid 2 to 1 Parameter Type: Real Quantity Type: Equation
Fluid2 zFlux in Description: z component of vector flux into fluid 2 Parameter Type: Real Page 324
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Quantity Type: Equation
Fluid2 zValue Description: z-component of a vector value transferred from fluid 2 to 1 Parameter Type: Real Quantity Type: Equation
Fluid2 zzFlux in Description: zz component of symmetric tensor flux into fluid 2 Parameter Type: Real Quantity Type: Equation
Fluid2 zzValue Description: zz-component of a symmetric tensor value transferred from fluid 2 to 1 Parameter Type: Real Quantity Type: Equation
Fluids List Parameter Type: String List
Font Description: The font name for an item of text. Parameter Type: String Allowed Values: Serif, Sans Serif Default Value: Sans Serif
Fractional Intensity Parameter Type: Real Default Value: 0.05 CFX-5.6
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Quantity Type: Dimensionless
Frame Increment Description: The number of frames to increment the frame counter by when incrementing to go to the next frame. Parameter Type: Integer Default Value: 1
Frame Type Description: Sets the frame in which velocity components or flow direction components are specified. If set to Rotating then the components are in the relative frame. If set to Stationary then the components are in the absolute frame of reference. Parameter Type: String Allowed Values: Rotating, Stationary Default Value: Stationary
Free Surface Harmonic Averaging Description: Harmonic average buoyancy force for free surface flow up to Transition Iteration Parameter Type: Logical Default Value: Yes
Freestream Damping Parameter Type: Real Quantity Type: Dimensionless
Freestream Damping for Curvature Parameter Type: Real Quantity Type: Dimensionless
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Freestream Damping for Interface Normal Parameter Type: Real Quantity Type: Dimensionless
Frequency Lower Limit Parameter Type: Real Default Value: 1.E+12 [s^-1] Quantity Type: Per Time
Frequency Upper Limit Parameter Type: Real Default Value: 1.E+16 [s^-1] Quantity Type: Per Time
Fuel Carbon Mass Fraction Description: Mass Fraction of Carbon in the Fuel Parameter Type: Real Default Value: 12.0 / 16.0 Quantity Type: Dimensionless
Fuel Consumption Reaction Description: Main Fuel Consumption Reaction Parameter Type: String List
Fuel Material Description: Main Fuel Material Parameter Type: String List
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Full Circle Description: If set to On, the instances are placed uniformly about the instance rotation axis. Note that the Number of Copies has to be greater than two when this option is used. Parameter Type: Logical Default Value: On
Function Description: The context controlling parameter for the CALCULATOR object, which defines the name of the function to be evaluated. Parameter Type: String
GTM Location Description: stores the path of the GTM location Parameter Type: String
General Availability Parameter Type: String List Default Value: No
Global Dynamic Model Control Parameter Type: Logical Default Value: Yes
Glue Copied Assemblies Description: Specifies whether matching assemblies should be glued after copy Parameter Type: Logical Default Value: true
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Glue Reflected Assemblies Description: Specifies whether matching assemblies should be glued after a reflection Parameter Type: Logical Default Value: true
Gradient Relaxation Parameter Type: Real Quantity Type: Dimensionless
Gradient Type Parameter Type: String Allowed Values: Upwind, Arithmetic Average, Harmonic Average, Arithmetic Element Average, Harmonic Element Average
Gravity X Component Parameter Type: Real Quantity Type: Acceleration
Gravity Y Component Parameter Type: Real Quantity Type: Acceleration
Gravity Z Component Parameter Type: Real Quantity Type: Acceleration
Groove Direction X Component Parameter Type: Real Quantity Type: Dimensionless CFX-5.6
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Groove Direction Y Component Parameter Type: Real Quantity Type: Dimensionless
Groove Direction Z Component Parameter Type: Real Quantity Type: Dimensionless
Hardcopy Filename Description: Sets the file name for the output from "print". Parameter Type: String Default Value: cfxOutput
Hardcopy Format Description: Sets the format of hardcopy output from "print". Parameter Type: String Allowed Values: ps, eps, jpg, ppm, bmp, png, vrml Default Value: ps
Hardcopy Tolerance Description: A non-dimensional tolerance used in face-sorting when generating hardcopy output. Higher values will result in faster printing times, but may cause defects in the resulting output. Parameter Type: String Default Value: 0.0001
Has Hybrid Values Description: Internal parameter specifying whether a variable can load Hybrid Values on boundary nodes. Parameter Type: Logical Default Value: Yes Page 330
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Heat Flux in Parameter Type: Real Quantity Type: Heat Flux in
Heat Transfer Coefficient Parameter Type: Real Quantity Type: Heat Transfer Coefficient
Highlight Type Description: Indicates whether to highlight an object with a bounding box or to use a wireframe of the object. Parameter Type: String Allowed Values: Bounding Box, Wireframe Default Value: Wireframe
Homogeneous Coefficient Factor Description: Factor to enforce homogeneous condition for temperature Parameter Type: Real Quantity Type: Dimensionless
Homogeneous Model Description: Specifies whether the model is homogeneous or not Parameter Type: Logical Default Value: Off
HybridMax Description: The global hybrid maximum value from this variable as read from the RES file. Parameter Type: Real
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HybridMin Description: The global hybrid minimum value from this variable as read from the RES file. Parameter Type: Real
Image Height Description: The image height (used when Use Screen Size is set to Off) Parameter Type: Integer Default Value: 600
Image Scale Description: Scales the size of bitmap images to a fraction (in percent) of the current viewer window size. Parameter Type: Integer Default Value: 100
Image Width Description: The image width (used when Use Screen Size is set to Off) Parameter Type: Integer Default Value: 600
Include Boundary Temperature Slip Parameter Type: Logical
Include Header Description: Indicates whether a pre-defined header is appended to the top of the export file, using " Parameter Type: Logical Default Value: True Page 332
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Include Marangoni Force Description: Indicates whether tangential component of surface tension force is included Parameter Type: Logical
Include Normal Viscous Force Description: Indicates whether normal viscous force is included at slip walls Parameter Type: Logical Default Value: Yes
Include Pressure Transient Term Parameter Type: Logical
Include Resistance in Rhie Chow Description: Indicates whether resistance term modifies the Rhie Chow mass-momentum coupling term in the continuity equation. Parameter Type: Logical
Include Viscous Work Term Description: Flag indicating whether the shear stress term dot velocity term is included in the energy equation. Parameter Type: Logical Default Value: Off
Include in Total Energy Description: Indicates whether a momentum source appears in the total energy equation Parameter Type: Logical
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Instancing Transform Description: Defines the TRANSFORM object that is used for the object instancing. Parameter Type: String Default Value: Default Transform
Integer Memory Factor Parameter Type: Integer
Interface Boundary Description: Defines whether a boundary is of type interface. Parameter Type: Logical Default Value: Off
Interface Length Scale Description: Specifies an effective length scale or interfacial area density available for transfer processes under the mixture model option on FLUID PAIR. Parameter Type: Real Default Value: 1. [mm] Quantity Type: Length
Interface Region List1 Description: A list of regions used on the first side of the domain interface Parameter Type: String
Interface Region List2 Description: A list of regions used on the second side of the domain interface Parameter Type: String Page 334
Interfacial Area Density Description: Interfacial area per unit volume between two phases. Parameter Type: Real Quantity Type: Inverse Length
Intermediate File Format Description: The format in which to save intermediate files when generating animation MPEGs. Parameter Type: String Allowed Values: jpg, ppm Default Value: jpg
Invert Plane Bound Description: Reverses the plane bounds by selecting region outside plane bound. Parameter Type: Logical Default Value: Off
Is A Copy Description: used when doing save as. Parameter Type: Logical Default Value: false
Is Sim Closing Description: if the simulation is being closed, a record of it is stored in the cfx file. Parameter Type: Logical CFX-5.6
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Default Value: false
Isentropic Compressibility Parameter Type: Real Quantity Type: Compressibility
Isothermal Compressibility Parameter Type: Real Quantity Type: Compressibility
JPEG Image Quality Description: The quality factor for jpeg image output. Higher values results in clearer, but larger, files. Parameter Type: Integer Default Value: 80
Junction Box Location Description: Locations in solver where junction box routines are to be called. Parameter Type: String Page 336
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Allowed Values: Start of Partitioning, First Partitioning Call, End of Partitioning, First Call, Start of Run, User Input, User Start, End of Run, User Output, Start of Time Step, End of Time Step, Start of Coefficient Loop, End of Coefficient Loop, Start of Linear Solution, End of Linear Solution, Abort
Junction Box Routine List Description: List of junction box routines to be executed. Parameter Type: String List
Kappa Parameter Type: Real Quantity Type: Dimensionless
Keep Intermediate Files Description: Boolean indicating whether or not CFX-Post should delete the intermediate files after the MPEG generation is complete. Parameter Type: Logical Default Value: Off
Keep Track File Parameter Type: Logical
Keyframe Filename Description: A string containing the name of the state file associated with this keyframe. Parameter Type: String
Keyframe List Description: An ordered list of keyframe names to be used for this animation. Parameter Type: String List CFX-5.6
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Keyframe Name Description: A string containing the name of the keyframe to display to the user. Parameter Type: String
Length Scale Description: Specified length scale for Auto Timestep Parameter Type: Real Quantity Type: Length
Length Scale Option Description: Option for calculating Auto Timestep length scale. Conservative uses the cube root of the fluid volume, and Aggressive uses the maximum extent of the fluid volume. Parameter Type: String Allowed Values: Conservative, Aggressive, Specified Length Scale Default Value: Conservative
Length Units Parameter Type: String Default Value: [m]
Library File Description: File holding the library. Parameter Type: String
Library Name Description: Name of shared library for entry point "Calling Name". Parameter Type: String
Library Path Description: Directory path for shared object library directories for each platform required. Parameter Type: String CFX-5.6
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Lift Coefficient Description: Coefficient for lift force in interfluid momentum transfer. Parameter Type: Real Default Value: 0.5 Quantity Type: Dimensionless
Light Angle Description: Defines the viewer light angles in degrees. The first angle goes from left (0) to right (180), and the second goes from up (0) to down (180). Parameter Type: Real List Default Value: 110, 110
Lighting Description: Toggles the lighting of this graphics object in the viewer. Parameter Type: Logical Default Value: true
Line Colour Description: A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Parameter Type: String List Default Value: 1.0, 1.0, 1.0
Line Samples Description: Number of points in the sample line. Parameter Type: Integer Default Value: 10
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Line Type Description: Indicates if the line is a cut or sample line. Parameter Type: String Allowed Values: Cut, Sample Default Value: Sample
Line Width Description: Controls the width (in pixels) of lines drawn for this graphics object. Parameter Type: Integer Default Value: 1
Linear Resistance Coefficient Parameter Type: Real Quantity Type: Momentum Source Lin Coeff
Linearisation Scheme Parameter Type: String Allowed Values: Frozen Coefficient, Newton Default Value: Newton
Load Data Description: This parameter indicates whether to load the results file or not if a DATA READER object exists in the STATE File for a READSTATE action. Parameter Type: Logical Default Value: True
Local Timescale Factor Parameter Type: Real Quantity Type: Dimensionless CFX-5.6
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Location Description: A locator name. Parameter Type: String Default Value: No
Location List Description: A comma delimited list of locator names. Parameter Type: String List
Location Path List Description: a path list of locators Parameter Type: String
Location X Component Parameter Type: Real Quantity Type: Length
Location Y Component Parameter Type: Real Quantity Type: Length
Location Z Component Parameter Type: Real Quantity Type: Length
Location of Maximum Flame Speed Description: Equivalence Ratio of Maximum Laminar Flame Speed Parameter Type: Real Default Value: 1.06 Quantity Type: Dimensionless Page 342
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Logical Memory Factor Parameter Type: Integer
Long Name Parameter Type: String
Looping Description: Indicates the type of looping to perform for the animation. Parameter Type: String Allowed Values: Bounce, Loop Default Value: Loop
Looping Cycles Description: Indicates the number of cycles that the Animation loop should complete before stopping automatically. A value of -1 will repeat the cycles forever. Parameter Type: Integer Default Value: 1
Loss Coefficient Parameter Type: Real Quantity Type: Dimensionless
Lower Turbulence Model Parameter Type: String Allowed Values: Laminar, Zero Equation, Dispersed Phase Zero Equation, k epsilon, RNG k epsilon
Lubrication Coefficient C1 Description: Coefficient C1 for wall lubrication force in interfluid momentum transfer. CFX-5.6
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Parameter Type: Real Default Value: -0.01 Quantity Type: Dimensionless
Lubrication Coefficient C2 Description: Coefficient C2 for wall lubrication force in interfluid momentum transfer. Parameter Type: Real Default Value: 0.05 Quantity Type: Dimensionless
Luminance Units Parameter Type: String Default Value: [cd]
MMS Name Parameter Type: String
MPEG Scale Description: The amount to scale the viewer image for the Animation MPEG output. Parameter Type: Integer Default Value: 100
Mach Blending Description: Determines whether density advection blends with CDS at low Mach numbers. Parameter Type: Logical
Mass Concentration Parameter Type: Real Page 344
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Default Value: 0 [kg m^-3] Quantity Type: Density
Mass Flow Rate Parameter Type: Real Quantity Type: Mass Flow
Mass Flow Update Option Description: Determines how the solver enforces the mass flow rate specified on an outflow boundary condition. Shift pressure updates the average pressure level on the boundary to give the required mass flow rate, Scale Mass Flows multiplies the solver computed mass flows by a factor to give the set value, and Constant Flux distributes the set value by area weighting over the boundary patch. Parameter Type: String Allowed Values: Shift Pressure, Scale Mass Flows, Constant Flux Default Value: Scale Mass Flows
Mass Flux Parameter Type: Real Quantity Type: Interphase Transfer Coefficient
Mass Flux Coefficient Parameter Type: Real Quantity Type: Interphase Transfer Coefficient
Mass Fraction Parameter Type: Real Default Value: 0.0 Quantity Type: Dimensionless
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Mass Fraction Equilibrium Ratio Parameter Type: Real Quantity Type: Dimensionless
Mass Fraction List Parameter Type: Real List Quantity Type: Dimensionless
Mass Source Parameter Type: Real Quantity Type: Mass Source
Mass Source Coefficient Parameter Type: Real Quantity Type: Mass Source Coefficient
Mass Transfer Coefficient Description: Mass transfer coefficient. Parameter Type: Real Quantity Type: Velocity
Mass Under Relaxation Factor Parameter Type: Real Default Value: 0.75 Quantity Type: Dimensionless
Mass Units Parameter Type: String Default Value: [kg]
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Materials List Parameter Type: String List
Max Description: The maximum value of a variable in the colourmap when using a "User Specified" range. Parameter Type: Real
Maximize Viewport Description: If set to true, this viewport will be maximised to fill up the screen, regardless of the viewport layout. Parameter Type: Logical Default Value: Off
Maximum Absolute Pressure Parameter Type: Real Default Value: 1.0E7 [Pa] Quantity Type: Pressure
Maximum Blend Factor Parameter Type: Real Quantity Type: Dimensionless
Maximum Blocking Factor Description: Maximum blocking factor per level for coarsening Parameter Type: Integer Default Value: 10
Maximum Buffer Size Description: Maximum size of buffer used to hold tracking information in words CFX-5.6
Maximum Density Ratio Parameter Type: Real Default Value: 1000. Quantity Type: Dimensionless
Maximum Diameter Parameter Type: Real Quantity Type: Length
Maximum Distance from Axis Parameter Type: Real Quantity Type: Length
Maximum Flame Speed Description: Maximum Laminar Flame Speed Parameter Type: Real Default Value: 0.35 [m/s] Quantity Type: Velocity
Maximum Iterations per Step Parameter Type: Integer Default Value: 50
Maximum Number of Adaption Steps Parameter Type: Integer Default Value: 3 Page 348
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Maximum Number of Coefficient Loops Parameter Type: Integer Default Value: 10
Maximum Number of Integration Steps Parameter Type: Integer Default Value: 10000 Quantity Type: Dimensionless
Maximum Number of Iterations Parameter Type: Integer Default Value: 100
Maximum Number of Photons Description: Maximum number of photons tracked simultaneously by Monte Carlo Parameter Type: Integer Default Value: 8000 Quantity Type: Dimensionless
Maximum Number of Timesteps Parameter Type: Integer
Maximum Number of Track Segments Description: Maximum number of segments in a radiation track Parameter Type: Integer Default Value: 4500 Quantity Type: Dimensionless
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Maximum Packing Parameter Type: Real Quantity Type: Dimensionless
Maximum Temperature Parameter Type: Real Default Value: 3000.0 [K] Quantity Type: Temperature
Maximum Timescale Parameter Type: Real Quantity Type: Time
Maximum Tracking Distance Parameter Type: Real Default Value: 10 [m] Quantity Type: Length
Maximum Tracking Time Parameter Type: Real Default Value: 10 [s] Quantity Type: Time
Maximum Volume Fraction for Area Density Parameter Type: Real Quantity Type: Dimensionless
Mean Diameter Parameter Type: Real Quantity Type: Length Page 350
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Mesh Adaption Parameter Type: Logical Default Value: No
Mesh Filename Description: Name of the file where the mesh is imported from. Parameter Type: String
Mesh Format Description: Format of the imported mesh. Parameter Type: String Allowed Values: CFX4, CGNS, GEM, GRD, IDEAS, MSC, PDC, Patran, Plot3d, ICEM, CFX51, Gridgen, ANSYS, Def Default Value: Def
Mesh Import General Options Description: A list of general import options passed to the GTM. Parameter Type: String
Mesh Import Specific Options Description: A list of format specific import options passed to the GTM. Parameter Type: String
Mesh Match Tolerance Description: Sets gtm mesh gluing tolerance Parameter Type: Real Default Value: 0.001
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Min Description: The minimum value of a variable in the colourmap when using a "User Specified" range. Parameter Type: Real
Mixture Fraction Variance Turbulent Schmidt Number Parameter Type: Real Quantity Type: Dimensionless
Molar Concentration Equilibrium Ratio Parameter Type: Real Quantity Type: Dimensionless
Molar Concentration Henry Coefficient Parameter Type: Real Quantity Type: Molar Concentration Henry Coefficient
Molar Fraction Equilibrium Ratio Parameter Type: Real Quantity Type: Dimensionless
Molar Fraction Henry Coefficient Parameter Type: Real Quantity Type: Pressure
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Molar Mass Parameter Type: Real Quantity Type: Relative Molecular Mass
Momentum Source Coefficient Description: Derivative of momentum source with respect to velocity. This isotropic coefficient is used for all components. Parameter Type: Real Quantity Type: Momentum Source Lin Coeff
Momentum Source X Component Parameter Type: Real Quantity Type: Momentum Source
Momentum Source Y Component Parameter Type: Real Quantity Type: Momentum Source
Momentum Source Z Component Parameter Type: Real Quantity Type: Momentum Source
Money Units Parameter Type: String Default Value: [GBP]
NASA Coefficient List Parameter Type: Real List Quantity Type: Dimensionless
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Name Strategy Description: sets the naming convention for assembly and copies Parameter Type: String Default Value: Assembly
Newton Coefficient Parameter Type: Real Default Value: 0.44 [] Quantity Type: Dimensionless
Newton Pressure Criterion Parameter Type: Real Default Value: 1.0 [Pa] Quantity Type: Pressure
Newton Pressure Iteration Limit Parameter Type: Integer Default Value: 150
Newton Pressure Under Relaxation Parameter Type: Real Default Value: 1.0 Quantity Type: Dimensionless
Node Allocation Parameter Parameter Type: Real Default Value: 0.0
Node Factor Parameter Type: Real Page 356
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Default Value: 2.0
Nonuniform Scale Description: Non uniform scale vector Parameter Type: Real List
Normal Description: An XYZ triple describing the normal vector. Parameter Type: String List Default Value: 1.0,0.0,0.0
Normal Speed Parameter Type: Real Quantity Type: Velocity
Normalising Stress Parameter Type: Real Quantity Type: Pressure
Nuclei Cross Coefficient Description: Coefficient for non-linear source term in nuclei equation (g0). Parameter Type: Real Default Value: 1.E-15 [m^3/s] * avogadro Quantity Type: Soot Cross Coefficient CFX-5.6
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Nuclei Formation Activation Temperature Description: Activation Temperature for Spontaneous Nuclei Formation Parameter Type: Real Default Value: 9.E+04 [K] Quantity Type: Temperature
Nuclei Formation Pre Exponential Factor Description: Pre Exponential Factor for Spontaneous Nuclei Formation Parameter Type: Real Default Value: 1.35E+37 [kg^-1 s^-1] / avogadro Quantity Type: Soot PX Factor
Nuclei Linear Coefficient Description: Coefficient for linear source term in nuclei equation (f-g). Parameter Type: Real Default Value: 100. [s^-1] Quantity Type: Per Time
Nuclei Specific Concentration Description: Nuclei Specific Concentration Parameter Type: Real Default Value: 0 [mol kg^-1] Quantity Type: Specific Concentration
Nukiyama Tanasawa Power Parameter Type: Real Quantity Type: Dimensionless
Null Token Description: The string that should be used in the export file if no data exists for a variable at a node. Parameter Type: String Default Value:
Number Of Frames Description: The number of frames in the animation to insert between this keyframe and the next. Parameter Type: Integer Default Value: 10
Number of Adaption Levels Parameter Type: Integer Default Value: 3
Number of Arguments Parameter Type: Integer Quantity Type: Dimensionless
Number of Backup Files Parameter Type: Integer
Number of Batches Description: Number of photon groups Parameter Type: Integer Default Value: 10 CFX-5.6
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Quantity Type: Dimensionless
Number of Copies Description: Specifies the number of transformed copies. Parameter Type: Integer Default Value: 1
Number of Gray Gas Definitions Parameter Type: Integer
Number of Histories Description: Number of histories for Monte Carlo Parameter Type: Integer Default Value: 10000 Quantity Type: Dimensionless
Number of Integration Steps per Element Parameter Type: Integer Default Value: 10 Quantity Type: Dimensionless
Number of Monitor Points Parameter Type: Integer
Number of Nodes in Adapted Mesh Parameter Type: Integer
Number of Positions Parameter Type: Integer
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Number of Radiation Sources Parameter Type: Integer
Number of Rays Description: Number of rays for Discrete Transfer Parameter Type: Integer Default Value: 8 Quantity Type: Dimensionless
Number of Results Files Parameter Type: Integer
Number of Spectral Band Definitions Parameter Type: Integer
Number of Timescale Updates Parameter Type: Integer Quantity Type: Dimensionless
Number of Timesteps per Run Parameter Type: Integer Quantity Type: Dimensionless
Number of Transient Results Files Parameter Type: Integer
Number of Transient Statistics Parameter Type: Integer
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Nusselt Number Description: Nusselt Number for interfluid heat transfer. Parameter Type: Real Quantity Type: Dimensionless
Object Exists Description: Logical specifying if a Physics Check object exists. Parameter Type: Logical Default Value: No
Object Name List Description: Specifies the list of objects to show in this viewport. If left empty, all objects are shown. Parameter Type: String
Object Origin Description: Where the Object definition came from. Parameter Type: String Allowed Values: Library, User, Default Default Value: Library
Object Type List Description: Specifies the list of object types to show in this viewport. If left empty (and Object Name List is empty too), all object types are shown. Parameter Type: String
Omega Parameter Type: Real Quantity Type: Per Time
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Operation Description: What operation is performed when writing or saving a case file. Parameter Type: String Allowed Values: start solver manager with case file, start solver in batch, start cfx5post with case file, write case file, save case file, start cfx5post, start cfx5build, start solver manager Default Value: start solver manager with case file
Option Parameter Type: String
Origin X Coord Description: The X location of the coordinate frame origin. Parameter Type: Real Default Value: 0 Quantity Type: Length
Origin Y Coord Description: The Y location of the coordinate frame origin. Parameter Type: Real Default Value: 0 Quantity Type: Length
Origin Z Coord Description: The Z location of the coordinate frame origin. Parameter Type: Real Default Value: 0 Quantity Type: Length
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Output Boundary Flows Description: Sets whether or not boundary equation flows are output to results files. If these are in minimal files then accurate calculations of forces are possible in CFX-Post. Parameter Type: String Allowed Values: All, None Default Value: None
Output Fluid Parameter Type: String
Output Variable Operators Description: Sets whether or not variable gradients and High Resolution "Beta" Fields are output to results files. Parameter Type: String Allowed Values: All, None Default Value: None
Output Variables List Parameter Type: String List
Output to Jobfile Parameter Type: Logical Default Value: No
Output to Postprocessor Parameter Type: Logical Default Value: No
Outside Temperature Parameter Type: Real Page 364
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Quantity Type: Temperature
Overlay Size Description: A factor by which to scale the size of a two-dimensional overlay. Parameter Type: Real Default Value: 1
Overwrite Description: Indicates whether, if the specified filename exists, the file should be overwritten with the new data. Parameter Type: Logical Default Value: False
Pan Description: Defines the camera pan in screen (X, Y) coordinates, with positive X pointing right and positive Y pointing up. Parameter Type: Real List Default Value: 0.0, 0.0
Paper Orientation Description: Sets the rotation of the image on the printed page. Parameter Type: String Allowed Values: Landscape, Portrait Default Value: Landscape
Paper Size Description: Scales hardcopy output to the specified paper size. Parameter Type: String Allowed Values: Letter, A4 Default Value: Letter CFX-5.6
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Parallel Coefficient of Restitution Parameter Type: Real Default Value: 1.0 Quantity Type: Dimensionless
Parameter Exists Description: Logical specifying if a Physics Check parameter exists. Parameter Type: Logical Default Value: No
Particles List Parameter Type: String List Page 366
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Periodic Type Parameter Type: String Allowed Values: Translational, Rotational
Perpendicular Coefficient of Restitution Parameter Type: Real Default Value: 1.0 Quantity Type: Dimensionless
Physical Availability Parameter Type: String List Default Value: No
Physical Timescale Parameter Type: Real List Quantity Type: Time
Physics Description Description: A description of the check that was performed in the CUE Physics checker. Parameter Type: String Default Value: No
Physics Path Description: This is the CCL path for checking within the CUE physics checker Parameter Type: String Default Value: No
Physics Result Description: The logical expression for the result of a Physics Check. CFX-5.6
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Parameter Type: String Default Value: No
Physics Type Description: The type of Physics check that is to be performed. Parameter Type: String Default Value: No
Physics Value List Description: A list of possible value for a Physics Check. Parameter Type: String List Default Value: No
Pitch Angle Side1 Description: Pitch angle on first side of a GGI interface Parameter Type: Real Default Value: 0.0 [radian] Quantity Type: Angle
Pitch Angle Side2 Description: Pitch angle on second side of a GGI interface Parameter Type: Real Default Value: 0.0 [radian] Quantity Type: Angle
Pitch Ratio Description: Gives the fractional change in area from side 1 to side 2 of a domain interface Parameter Type: Real Quantity Type: Dimensionless
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Pivot Point Description: Defines the center of rotation (pivot point) for the camera. Parameter Type: String List Default Value: 0.0, 0.0, 0.0
Plane 13 Point X Coord Description: The X location of the a point in the XZ plane of the coordinate frame. Parameter Type: Real Default Value: 1 Quantity Type: Length
Plane 13 Point Y Coord Description: The Y location of the a point in the XZ plane of the coordinate frame. Parameter Type: Real Default Value: 0 Quantity Type: Length
Plane 13 Point Z Coord Description: The Z location of the a point in the XZ plane of the coordinate frame. Parameter Type: Real Default Value: 0 Quantity Type: Length
Plane Type Description: Indicates if the plane is a slice or sample plane. Parameter Type: String Allowed Values: Slice, Sample Default Value: Slice
Playback Status Description: This parameter indicates whether the animation is stopped or playing forward or backward. This is an internal parameter for status display purposes only. Parameter Type: String Allowed Values: Stopped, Forward, Backward, Paused Default Value: Stopped
Point Description: An XYZ triple which defines a point in space. Parameter Type: Real List Default Value: 0.0, 0.0, 0.0
Point 1 Description: An XYZ triple defining the first point for this object. Parameter Type: String List Default Value: 0.0, 0.0, 0.0
Point 2 Description: An XYZ triple defining the second point for this object. Parameter Type: String List Default Value: 1.0, 0.0, 0.0
Point 3 Description: An XYZ triple defining the third point for this object. Page 370
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Parameter Type: String List Default Value: 0.0, 1.0, 0.0
Point Symbol Description: Name of point symbol (non-directional) to be used for plot. Parameter Type: String Default Value: Crosshair
Position Mode Description: Defines whether a text item is attached to twodimensional screen coordinate, or a three-dimensional spatial coordinate. Parameter Type: String Allowed Values: Two Coords, Three Coords Default Value: Two Coords
Pre Exponential Factor Description: Pre-exponential factor for Arrhenius reaction rate. Parameter Type: Real Quantity Type: Reaction PX Factor
Precision Description: Indicates the number of decimal points of precision to display the exported data to. Parameter Type: Integer Default Value: 8
Preferred Units System Description: This specifies the Units System to use. Parameter Type: String Default Value: SI CFX-5.6
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Pressure Coefficient Parameter Type: Real Quantity Type: Dimensionless
Preview Required Variables Parameter Type: String List
Preview Variable Ranges Parameter Type: String List
Preview Variable Values Parameter Type: String List
Preview Varying Variable Parameter Type: String
Prim2d Global Visibility Description: If true can display Primitive2D objects Parameter Type: Logical Default Value: true
Prim2d Visibility Description: Toggles the visibility of this graphics object in the viewer. Parameter Type: Logical Default Value: false
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Prim3d Visibility Description: Toggles the visibility of this graphics object in the viewer. Parameter Type: Logical Default Value: false
Primary Fluid Parameter Type: String
Primitive Region List Description: List of regions imported into a map. Parameter Type: StringList
Principal Axis Description: Specifies the principal axis used in instance rotation. Parameter Type: String Allowed Values: X, Y, Z Default Value: Z
Principal Variable Description: Principal variable for an equation. Parameter Type: String
Print Line Width Description: The width of lines in hardcopy output. Increasing this value may give better results on high-resolution printers. Parameter Type: Integer Default Value: 1
Print Quality Description: Controls quality vs. speed of hardcopy output. Page 374
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Parameter Type: String Allowed Values: Draft, Medium, High Default Value: High
Projection Description: Defines the current projection mode in the viewer. It can be either Perspective or Orthographic. Parameter Type: String Allowed Values: Perspective, Orthographic Default Value: Perspective
Quantity Type Description: Specifies the Quantity Type of the variable. Parameter Type: String
Quenching Critical Velocity Gradient Description: Critical Velocity Gradient for Quenching Model Parameter Type: Real Default Value: 8000 [s^-1] Quantity Type: Per Time
Quenching Variance Factor Description: Factor for Turbulence Eddy Dissipation Variance for Quenching Model CFX-5.6
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Parameter Type: Real Default Value: 0.28 Quantity Type: Dimensionless
Radiation Flux Parameter Type: Real Quantity Type: Heat Flux in
Radiation Intensity Description: Radiation Intensity Magnitude Parameter Type: Real Quantity Type: Total Radiative Intensity
Radiation Source Parameter Type: Real Quantity Type: Energy Source
Radiative Heat Flux Description: Radiative Heat Flux Magnitude Parameter Type: Real Quantity Type: Heat Flux in
Radius Parameter Type: Real Quantity Type: Length
Range Description: Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Page 376
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Parameter Type: String Allowed Values: Global, Local, User Specified Default Value: Global
Ray Reflection Threshold Description: Ignore rays reflected with intensity below this Parameter Type: Real Quantity Type: Dimensionless
Reaction Order List Parameter Type: Real List Quantity Type: Dimensionless
Reaction Progress Description: Progress Variable for premixed or partially premixed combustion. Parameter Type: Real Quantity Type: Dimensionless
Reaction Progress Turbulent Schmidt Number Description: Turbulent Schmidt Number for Reaction Progress Equation Parameter Type: Real Default Value: 0.9 Quantity Type: Dimensionless
Read State Mode Description: This parameter indicates whether the current system state information should be overwritten or appended to. Parameter Type: String Allowed Values: Overwrite, Append Default Value: Overwrite
Real Memory Factor Parameter Type: Integer
Recipe Description: Contains instructions on how to build a value list for the variable. Parameter Type: String Allowed Values: Standard, Vector Component, Expression Default Value: Standard
Reference Coord Frame Description: The Coordinate Frame in which the physical locations used to set this coordinate frame are described. Parameter Type: String Default Value: Coord 0
Reference Elasticity Modulus Description: Parameter in Gidaspow model for solid pressure. Parameter Type: Real Quantity Type: Pressure
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Reference Pressure Parameter Type: Real Quantity Type: Pressure
Reference Specific Enthalpy Parameter Type: Real Quantity Type: Specific Enthalpy
Reference Specific Entropy Parameter Type: Real Quantity Type: Specific Heat Capacity
Reference Temperature Parameter Type: Real Quantity Type: Temperature
Reference Thermal Conductivity Parameter Type: Real Quantity Type: Thermal Conductivity
Reference Viscosity Parameter Type: Real Quantity Type: Dynamic Viscosity
Reflection Option Description: Specifies how the reflection plane is defined Parameter Type: String Allowed Values: YZ Plane, XZ Plane, XY Plane, Point and Normal, Three Points Default Value: XY Plane CFX-5.6
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Reflection Plane Description: Specifies the REFLECTION PLANE object to use in a transformation. Parameter Type: String
Refractive Index Parameter Type: Real Quantity Type: Dimensionless
Region List Description: List of subregions for a region Parameter Type: StringList
Region List A Description: List of subregions for a region Parameter Type: StringList
Region List B Description: List of subregions for a region Parameter Type: StringList
Related Object Description: Specifies the Object that this variable is related to. This is only applicable for Variables that are defined as Local to a specific geometry. Parameter Type: String
Relative Pressure Parameter Type: Real Quantity Type: Pressure
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Relative Static Pressure Parameter Type: Real Quantity Type: Pressure
Relevant Object Description: This is used to generate error messages for the Physics Validator. Parameter Type: String
Render Edge Angle Description: The angle between two faces used to limit visible edges in a wireframe. Parameter Type: Real Default Value: 0 [degree]
Residual Relaxation Initial Value Description: Initial residual relaxation value. Parameter Type: Real Default Value: 0.5 Quantity Type: Dimensionless
Residual Relaxation Iterations Description: Number of iteration to relax residuals. Parameter Type: Integer Default Value: 0 Quantity Type: Dimensionless
Residual Target Parameter Type: Real Quantity Type: Dimensionless
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Residual Type Parameter Type: String Allowed Values: RMS, MAX
Result Description: The internal parameter for the CALCULATOR and EXPRESSION EVALUATOR object used to store the results of a function evaluation. Parameter Type: String
Result Units Description: The internal parameter for the CALCULATOR and EXPRESSION EVALUATOR object used to store the units of the results of a function evaluation. Parameter Type: String Default Value: []
Rosin Rammler Power Parameter Type: Real Quantity Type: Dimensionless
Rosin Rammler Size Parameter Type: Real Quantity Type: Length
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Rotation Description: Defines the camera rotation in terms of angles about X, Y and Z axis, respectively. X axis is pointing right, Y is pointing up and Z towards the user. Parameter Type: Real List Default Value: -90, 0, 0
Rotation Angle Description: Specifies the rotation angle. Parameter Type: Real Default Value: 0 [degree]
Rotation Angle Option Description: Specifies what type of rotation is applied Parameter Type: String Allowed Values: Specified, Full Circle, Two Points Default Value: Specified
Rotation Axis Begin Description: Root of rotation axis vector Parameter Type: Real List
Rotation Axis End Description: Tip of rotation axis vector CFX-5.6
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Parameter Type: Real List
Rotation Axis From Description: First
Rotation Axis To Description: Second
Rotation Axis Type Description: Specifies the rotation axis type in the transformation. If it is set to "Principal Axis", Principal Axis parameter setting is used. It it is set to "Rotation Axis", parameters Rotation Axis From and Rotation Axis To are used for the axis definition. Parameter Type: String Allowed Values: Principal Axis, Rotation Axis Default Value: Principal Axis
Rotation Option Description: Specifies what type of rotation is applied Parameter Type: String Allowed Values: Principal Axis, Rotation Axis Default Value: Principal Axis
Rotation Quaternion Description: Defines the camera rotation quaternion. Parameter Type: Real List Page 384
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Default Value: -0.707107, 0, 0, 0.707107
Rotational Offset Description: Controls the amount by which the child side domain on a GGI interface is rotated before the intersection is calculated. Parameter Type: Real Default Value: 0.0 [deg] Quantity Type: Angle
Roughness Height Parameter Type: Real Quantity Type: Length
Saturation Pressure Description: Saturation pressure for cavitation of a pure substance. Parameter Type: Real Quantity Type: Pressure
Saturation Temperature Description: Saturation temperature for vaporisation or boiling of a pure substance. Parameter Type: Real Quantity Type: Temperature
Save Hardcopy Description: Boolean indicating whether to save the current animation to a file, as it progresses. A filename needs to be specified. Parameter Type: Logical Default Value: Off
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Save Intermediate Files Parameter Type: Logical Default Value: On
Save State Mode Description: This parameter indicates whether the state file should be overwritten if it exists. Parameter Type: String Allowed Values: None, Overwrite Default Value: None
Save State Objects Description: A list of objects to save to the state file. If this list is empty, then all user created objects will be saved. Parameter Type: String List
Scale Description: Defines the relative scale of the camera view. With the default scale (1.0), the scene completely fills the viewer window. Parameter Type: Real Default Value: 1.0
Scale Option Description: Specifies what type of scaling is applied Parameter Type: String Allowed Values: Uniform, Non Uniform Default Value: Uniform Page 386
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Scale Origin Description: Position of scale origin Parameter Type: Real List
Screen Capture Description: Enables the screen capture mode for producing image output. Parameter Type: Logical Default Value: Off
Search List Description: Specifies lookup patterns. Parameter Type: String
Second Line Point for Normal Distribution Parameter Type: Real Triplet Default Value: 1.0[m],0.0[m],0.0[m] Quantity Type: Length
Second Point of Axis Parameter Type: Real Triplet Default Value: 1.0[m],0.0[m],0.0[m] Quantity Type: Length
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Secondary Heat Flux Option Description: Expert parameter to assess different options for secondary heat fluxes with phase change mass transfer Parameter Type: String Allowed Values: Prakash, Use Latent Heat, Use Bulk Enthalpies Default Value: Prakash
Secondary Physics Path Description: This is a CCL path for checking within the CUE physics checker, different from the Physics path Parameter Type: String Default Value: No
Separator Description: Indicates the string to use between each variable. The string must be delimited by quotation marks. Parameter Type: String Default Value: " "
Session Filename Description: The name of the session file to which session data will be saved. Parameter Type: String Default Value: session.cse
Set Individually Sherwood Number Description: Sherwood number governing interphase transfer for additional variables. Parameter Type: Real Quantity Type: Dimensionless Page 388
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Show Boundary Labels Description: If true display labels Parameter Type: Logical Default Value: false
Show Boundary Markers Description: If true display labels Parameter Type: Logical Default Value: true
Show Domain Labels Description: If true display labels Parameter Type: Logical Default Value: false
Show Inlet Markers Description: If true display Parameter Type: Logical Default Value: true
Show Interface Markers Description: If true display Parameter Type: Logical Default Value: true
Show Label Description: If true display label Parameter Type: Logical Default Value: true
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Show Labels Description: If true display labels Parameter Type: Logical Default Value: true
Show Marker Description: If true display marker Parameter Type: Logical Default Value: true
Show Opening Markers Description: If true display Parameter Type: Logical Default Value: true
Show Outlet Markers Description: If true display Parameter Type: Logical Default Value: true
Show Prim2d Labels Description: If true display labels Parameter Type: Logical Default Value: false
Show Prim3d Labels Description: If true display labels Parameter Type: Logical Default Value: false
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Show Region Labels Description: If true display labels Parameter Type: Logical Default Value: true
Show Symmetry Markers Description: If true display Parameter Type: Logical Default Value: true
Show Wall Markers Description: If true display Parameter Type: Logical Default Value: false
Skip Over Scalar Dissipation Rate Samples Description: Skip over leading N Scalar Dissipation Rate samples in Flamelet library (0 or 1 for CFX-TASCflow compatibility). Parameter Type: Integer Default Value: 0
Slip Power Parameter Type: Real Quantity Type: Dimensionless
Slip Vel u Parameter Type: Real Quantity Type: Velocity
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Slip Vel v Parameter Type: Real Quantity Type: Velocity
Slip Vel w Parameter Type: Real Quantity Type: Velocity
Slip Velocity Parameter Type: Real Quantity Type: Velocity
Smagorinsky Model Constant Parameter Type: Real Quantity Type: Dimensionless
Small Coarse Grid Size Description: Size at which to stop coarsening a grid Parameter Type: Integer Default Value: 500
Solid Angle Units Parameter Type: String Default Value: [sr]
Solid Temperature Parameter Type: Real Quantity Type: Temperature
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Solid Timescale Parameter Type: Real Default Value: 100 [s] Quantity Type: Time
Solid Timescale Control Parameter Type: String Allowed Values: Auto Timescale,Physical Timescale Default Value: Auto Timescale
Solver Name Description: The name of this object inside the RES file. Parameter Type: String
Solver Setup Debug Level Parameter Type: Integer
Solver Type Description: Specifies MMS prefix for object type. Parameter Type: String
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Soot Cross Coefficient Description: Coefficient for non-linear source term in soot equation (b). Parameter Type: Real Default Value: 8.E-14 [m^3/s] * avogadro Quantity Type: Soot Cross Coefficient
Soot Density Description: Soot Density Parameter Type: Real Default Value: 2000 [kg/m^3] Quantity Type: Density
Soot Linear Coefficient Description: Coefficient for linear source term in soot equation (a). Parameter Type: Real Default Value: 1.E+5 [s^-1] Quantity Type: Per Time
Soot Particle Mean Diameter Description: Mean Diameter of Soot Particles Parameter Type: Real Default Value: 178.5 [angstrom] Quantity Type: Length
Source Description: Value of source strength per volume, in relevant units. Parameter Type: Real Quantity Type: Equation
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Source Coefficient Description: Derivative of Source expression with respect to source variable. Parameter Type: Real Quantity Type: Equation
Source Coefficient List Description: Linearisation coefficient for a Source expression, relative to corresponding entry in Source Variable List. Parameter Type: Real Quantity Type: Equation
Source Variable List Description: List of linearisation variables for a Source expression. In 5.5 this must be the principal variable for the equation, except for the energy equation which assumes it is T. Parameter Type: String List
Specific Heat Capacity Parameter Type: Real Quantity Type: Specific Heat Capacity
Specific Heat Capacity at Constant Volume Parameter Type: Real Quantity Type: Specific Heat Capacity
Specific Heat Depends On Parameter Type: String List
Specular Lighting Description: Toggles the specular lighting of this object in the viewer. CFX-5.6
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Parameter Type: Logical Default Value: Off
Speed Of Sound Parameter Type: Real Quantity Type: Velocity
Standard Deviation for Normal Distribution Parameter Type: Real Quantity Type: Length
Standard Deviation in Diameter Parameter Type: Real Quantity Type: Length
Standard View Description: Defines one of the standard views in the viewer (Note that Camera Mode has to be set to Standard for this parameter to have effect). Parameter Type: String Allowed Values: +X, +Y, +Z, -X, -Y, -Z, Isometric, Isometric X, Isometric Y, Isometric Z Default Value: +Y
Start Iteration List Parameter Type: Integer List
State Filename Description: The name of the state file to which state data will be saved. Parameter Type: String Default Value: state.cst Page 396
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Static Temperature Parameter Type: Real Quantity Type: Temperature
Stationary Frame Total Temperature Parameter Type: Real Quantity Type: Temperature
Status Parameter Type: String Allowed Values: P,D,DR,M
Stoichiometric Coefficient List Parameter Type: Real List Quantity Type: Dimensionless
Sum Continuity Coefficients Parameter Type: Logical Default Value: Yes CFX-5.6
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Surface Area Factor Parameter Type: Real Default Value: 1.0 Quantity Type: Dimensionless
Surface Drawing Description: Sets the algorithm used to shade the faces for this graphics object. Parameter Type: String Allowed Values: None, Flat Shading, Smooth Shading Default Value: Smooth Shading
Surface Tension Coefficient Description: Specifies a surface tension coefficient between a fluid pair. Parameter Type: Real Quantity Type: Surface Tension
Surface Tension Weighting Option Description: Specifies the weighting option for surface tension forces. Parameter Type: String Allowed Values: None,Density
Sutherlands Constant Parameter Type: Real Quantity Type: Temperature
Symbol Description: Name of symbol to be used for the plot. Parameter Type: String Default Value: Line Arrow Page 398
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Symbol Size Description: A scaling factor for all symbols in the plot. Parameter Type: Real Default Value: 1.0
Symbol Type Description: The category a symbol falls under. Parameter Type: String Allowed Values: Arrow2D, Arrow3D, Crosshair, Octahedron, Line Arrow, Arrowhead Default Value: Line Arrow
Table Format Description: Type of table format for specifying material properties Parameter Type: String Allowed Values: TASCflow RGP Default Value: TASCflow RGP
Table Name Description: Path and name of the file which contains tables of material properties Parameter Type: String
Target Assemblies Description: Assemblies this transformation is applied to Parameter Type: String List
Temperature Parameter Type: Real Quantity Type: Temperature
Temperature Exponent Parameter Type: Real Quantity Type: Dimensionless
Temperature Fluctuation Description: Temperature Fluctuation (square root of variance) Parameter Type: Real Quantity Type: Temperature
Temperature Limit List Parameter Type: Real List Quantity Type: Temperature
Temperature Units Parameter Type: String Allowed Values: [K], [R] Default Value: [K]
Temperature Variance Description: Temperature Variance Parameter Type: Real Quantity Type: Temperature Variance
Temperature Variance Dissipation Coefficient C2 Description: Temperature Variance Dissipation Coefficient Parameter Type: Real Page 400
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Default Value: 2.0 Quantity Type: Dimensionless
Temperature Variance Production Coefficient C1 Description: Temperature Variance Production Coefficient Parameter Type: Real Default Value: 2.0 Quantity Type: Dimensionless
Temporary Directory Description: The path to a temporary working directory which CFXPre can use for placing temporary files. This directory does not have to exist between runs of CFX-Post, and the contents will be deleted when Post shuts down. Parameter Type: String
Text Colour Description: A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the text. Parameter Type: Real List Default Value: 1.0, 1.0, 1.0
Text Height Description: The height an item of text should be, proportional to the screen. Parameter Type: Real Default Value: 0.02 CFX-5.6
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Text Position Description: The location an item of text should be placed. Parameter Type: Real List Default Value: 0, 0.96, 0
Text Rotation Description: Counter-clockwise rotation, in degrees, to be applied to a text item. Parameter Type: Real Default Value: 0
Text String Description: The contents of an item of text. Parameter Type: String Default Value: Text
Thermal Conductivity Parameter Type: Real Quantity Type: Thermal Conductivity
Thermal Conductivity Axial Component Description: Axial component of orthotropic cylindrical thermal conductivity Parameter Type: Real Quantity Type: Thermal Conductivity
Thermal Conductivity X Component Description: x component of orthotropic Cartesian thermal conductivity Parameter Type: Real Quantity Type: Thermal Conductivity
Thermal Conductivity Y Component Description: y component of orthotropic Cartesian thermal conductivity Parameter Type: Real Quantity Type: Variable
Thermal Conductivity Z Component Description: z component of orthotropic Cartesian thermal conductivity Parameter Type: Real Quantity Type: Thermal Conductivity
Thermal Conductivity r Component Description: r component of orthotropic cylindrical thermal conductivity Parameter Type: Real Quantity Type: Thermal Conductivity
Thermal Expansivity Parameter Type: Real Quantity Type: Thermal Expansivity
Thermodynamic State Description: State type of a pure substance Parameter Type: String CFX-5.6
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Allowed Values: Solid, Liquid, Gas Default Value: Liquid
Time Parameter Type: Real Quantity Type: Time
Time Interval Parameter Type: Real Quantity Type: Time
Time List Parameter Type: Real List Quantity Type: Time
Time Units Parameter Type: String Default Value: [s]
Time per run Parameter Type: Real Quantity Type: Time
Timescale Control Parameter Type: String Allowed Values: Physical Timescale, Local Timescale Factor, Auto Timescale
Timestep Interpolation Method Description: Indicates what timestep information to interpolate if timesteps are to be animated. Parameter Type: String Allowed Values: Timestep, TimeValue, Sequential Default Value: Timestep
Timesteps Parameter Type: Real List Quantity Type: Time
Timesteps for the Run Parameter Type: Real List Quantity Type: Time
Total Source Description: Value of source strength per volume, in relevant units. Parameter Type: Real Quantity Type: Equation
Total Source Coefficient Description: Derivative of Total Source expression with respect to source variable. Parameter Type: Real CFX-5.6
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Quantity Type: Equation
Total Source Coefficient List Description: Linearisation coefficient for a Total Source expression, relative to corresponding entry in Total Source Variable List. Parameter Type: Real Quantity Type: Equation
Total Source Variable List Description: List of linearisation variables for a Source expression. Parameter Type: String List
Total Temperature Parameter Type: Real Quantity Type: Temperature
Total Time Parameter Type: Real Quantity Type: Time
Transformation Units Description: Units used for transformation coordinates Parameter Type: String Default Value: m
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Transition Iteration Parameter Type: Integer
Transition Value Description: scalar transition transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Transition xValue Description: x-component of vector transition value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Transition xxValue Description: xx-component of symmetric tensor transition value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Transition xyValue Description: xy-component of symmetric tensor transition value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Transition xzValue Description: xz-component of symmetric tensor transition value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation Page 408
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Transition yValue Description: y-component of vector transition value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Transition yyValue Description: yy-component of symmetric tensor transition value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Transition yzValue Description: yz-component of symmetric tensor transition value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Transition zValue Description: z-component of vector transition value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Transition zzValue Description: zz-component of symmetric tensor transition value transferred from fluid 1 to 2 Parameter Type: Real Quantity Type: Equation
Translation Axis Parameter Type: String CFX-5.6
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Default Value: Coord 0.1
Translation Deltas Description: Translation offset Parameter Type: Real List
Translation Option Description: Specifies what type of translation is applied Parameter Type: String Allowed Values: Deltas, Vector Default Value: Vector
Translation Root Description: Root of the translation vector Parameter Type: Real List
Translation Tip Description: Tip of the translation vector Parameter Type: Real List
Translation Vector Description: Specifies the translation vector. Parameter Type: Real List Default Value: 0.0, 0.0, 0.0
Translation Velocity Parameter Type: Real Quantity Type: Velocity
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Transparency Description: Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Parameter Type: Real Default Value: 0.0
Turbulent Dispersion Coefficient Description: Coefficient for turbulent dispersion force in interfluid momentum transfer. Parameter Type: Real Default Value: 0.1 Quantity Type: Dimensionless
Turn Multigrid Off Description: Turn off multigrid solver for compressible flows up to Transition Iteration Parameter Type: Logical Default Value: No
U Parameter Type: Real Quantity Type: Velocity
Under Relaxation Factor Parameter Type: Real CFX-5.6
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Quantity Type: Dimensionless
Uniform Scale Description: Scale factor Parameter Type: Real
Unit Vector Axial Component Parameter Type: Real Quantity Type: Dimensionless
Unit Vector Theta Component Parameter Type: Real Quantity Type: Dimensionless
Unit Vector X Component Parameter Type: Real Quantity Type: Dimensionless
Unit Vector Y Component Parameter Type: Real Quantity Type: Dimensionless
Unit Vector Z Component Parameter Type: Real Quantity Type: Dimensionless
Unit Vector r Component Parameter Type: Real Quantity Type: Dimensionless
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Units Parameter Type: String Default Value: []
Update Units to Preferred Description: This logical indicates whether all displayed units should always be updated to display the preferred units. If this is "false", quantities will be converted to preferred types. Parameter Type: Logical Default Value: false
Use Coord Frame Description: Specifies if the transformation is defined in another coordinate frame Parameter Type: Logical Default Value: false
Use Mass Consistent Velocities Description: Indicates whether mass-consistent velocities are to be used for resistance terms. Parameter Type: Logical
Use Multiple Copy Description: Specifies if mesh is to be copied as opposed to moved Parameter Type: Logical Default Value: false
Use Screen Size Description: When set to On, the current screen size is used as the image size Parameter Type: Logical Default Value: On CFX-5.6
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User Camera Description: Defines the CAMERA object that is used to set up the camera view in the viewer (Note that Camera Mode has to be set to User Specified for this parameter to have effect). Parameter Type: String
User Level Description: Specifies the user level of the variable. Parameter Type: Integer Allowed Values: 1, 2, 3 Default Value: 1
User Units Description: Not currently used. Parameter Type: String
V Parameter Type: Real Quantity Type: Velocity
Value Description: Input expression for VARIABLE value in relevant units. Parameter Type: Real Quantity Type: Variable
VarMax Description: The global maximum value from this variable as read from the RES file. Parameter Type: Real
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VarMin Description: The global minimum value from this variable as read from the RES file. Parameter Type: Real
Variable Description: The name of the variable used to create the object. Should be set equal to the name of a currently defined VARIABLE object. Parameter Type: String
Variable Class Description: Solver variable class Parameter Type: String
Variable Description Parameter Type: String Default Value: Long Name
Variable Dimensions Description: The dimensions of the variable as read from the results file. Parameter Type: Real List
Variable Is Turbo Description: Parameter indicating whether it is a turbo variable Parameter Type: Logical Default Value: false
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Variable List Description: A comma delimited list of variables whose data is to be exported. Parameter Type: String List Default Value: X, Y, Z
Variable Scope Parameter Type: String List
Variable Type Parameter Type: String Allowed Values: Unspecified, Volumetric, Specific Default Value: Unspecified
Variables List Parameter Type: String List
Vector Brackets Description: Indicates the kind of brackets to use around vector data when displayed as components. Any two character combination is valid, where the first character will be used as the open-bracket, and the second as the close-bracket. If "-" is specified (no quotes), no brackets will be displayed. Parameter Type: String Default Value: ()
Vector Display Description: Indicates the way that vector variables are to be displayed. Choices are: Components | Scalar. Parameter Type: String Allowed Values: Components, Scalar Default Value: Components Page 416
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Vector Variable Description: The vector variable to be used in creating this plot. Parameter Type: String Default Value: Velocity
Vector xValue Description: x component of vector expression. Parameter Type: Real Quantity Type: Variable
Vector yValue Description: y component of vector expression. Parameter Type: Real Quantity Type: Variable
Vector zValue Description: z component of vector expression. Parameter Type: Real Quantity Type: Variable
Velocity Axial Component Parameter Type: Real Quantity Type: Velocity
Velocity Scale Parameter Type: Real Quantity Type: Velocity
Velocity Theta Component Parameter Type: Real Quantity Type: Velocity
Velocity Type Description: Specifies if we are using Cartesian or Cylindrical components for initial conditions Parameter Type: String Allowed Values: Cartesian, Cylindrical Default Value: Cartesian
Velocity Under Relaxation Factor Parameter Type: Real Default Value: 0.75 Quantity Type: Dimensionless
Velocity r Component Parameter Type: Real Quantity Type: Velocity
Verbose Description: Controls if the result of a calculation is written to the screen. Parameter Type: Logical Default Value: Off
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Version Parameter Type: String
Vertex Number Parameter Type: Integer Default Value: 1
Viewport Layout Description: Specifies the layout of viewports. Parameter Type: String Allowed Values: Horizontal, Vertical, Horizontal Left Split, Vertical Top Split Default Value: Horizontal
Viewport List Description: Specifies the list of viewports to be used in the layout. Parameter Type: String
Virtual Mass Coefficient Description: Coefficient for virtual mass force in interfluid momentum transfer. Parameter Type: Real Default Value: 0.5 Quantity Type: Dimensionless
Visibility Description: Toggles the visibility of this graphics object in the viewer. Parameter Type: Logical Default Value: true
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Volume Fraction Parameter Type: Real Quantity Type: Dimensionless
Volume Fraction Averaging Type Description: Method to average volume fractions to elements Parameter Type: String
Volume Fraction Correction Exponent Description: Exponent for volume-fraction dependence of drag force. Omission of this parameter, or a unit exponent, are equivalent to no correction. Typical exponent values for dense concentrations are -1.65 for solids, 4 for bubbles. Parameter Type: Real Quantity Type: Dimensionless
Volume Fraction Smoothing Description: Use smoothed volume fractions for curvature calculation Parameter Type: Logical
Weight Parameter Type: Real Quantity Type: Dimensionless
White Background Description: Toggles if hardcopy output is produced on a white or black background. Parameter Type: Logical Default Value: Off
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Write Session Mode Description: This parameter indicates whether the session file should be overwritten or appended to if it exists. Parameter Type: String Allowed Values: None, Overwrite, Append Default Value: None
X Description: The X coordinate value for the location of this object. Parameter Type: Real Default Value: 0.0 Quantity Type: Length
X Justification Description: Specifies the horizontal justification of a text or overlay item. Parameter Type: String Allowed Values: None, Center, Left, Right Default Value: Center
X Pos Description: Used with plane definition Parameter Type: Real Default Value: 0.0
X Split Description: The normalised location of the vertical viewport splitter. Parameter Type: Real Default Value: 0.5
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Y Description: The Y coordinate value for the location of this object. Parameter Type: Real Default Value: 0.0 Quantity Type: Length
Y Justification Description: Specifies the vertical justification of a text or overlay item. Parameter Type: String Allowed Values: None, Center, Top, Bottom Default Value: None
Y Pos Description: Used with plane definition Parameter Type: Real Default Value: 0.0
Y Split Description: The normalised location of the horizontal viewport splitter. Parameter Type: Real Default Value: 0.5
Z Description: The Z coordinate value for the location of this object. Parameter Type: Real Default Value: 0.0 Quantity Type: Length
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Z Pos Description: Used with plane definition Parameter Type: Real Default Value: 0.0
always output post processing Description: When set to true, outputs the usual post processing even for intermediate adaption steps (default=F) Parameter Type: String Allowed Values: t,f Default Value: f
auto turnoff solve eq flag Description: This flag determines whether or not equations are solved when their residuals are below the convergence criteria. Parameter Type: String Allowed Values: t,f Default Value: f
backup file at zero Description: Controls whether a backup file is written at iteration 0 Parameter Type: String Allowed Values: t,f Default Value: f
backup frequency Description: Controls the frequency with which a backup file is produced Parameter Type: String Default Value: 0
build artificial wall Description: Controls whether or not the solver will build an artificial wall to prevent inflow at an outlet boundary, or outflow at an inlet boundary condition. Parameter Type: String Allowed Values: t,f Default Value: t
buoyancy ted source Description: This flag determines whether buoyancy production terms are included in the ted equation. Parameter Type: String Allowed Values: t,f Default Value: f
buoyancy tef source Description: This flag determines whether buoyancy production terms are included in the tef equation. Parameter Type: String Allowed Values: t,f Default Value: f
buoyancy tke source Description: This flag determines whether buoyancy production terms are included in the tke equation. Page 426
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Parameter Type: String Allowed Values: t,f Default Value: f
check isolated regions Description: For serial runs the solver checks if any fluid domain contains volumetric regions which are isolated pockets. This check cannot be performed for parallel solver runs. Parameter Type: String Allowed Values: t,f Default Value: t
coupled scalars Description: Coupling of component mass fraction equations for combustion. Parameter Type: String Allowed Values: t,f Default Value: t
degeneracy check tolerance Description: A face set is considered degenerate if its dimensionless area of the face set is less than this tolerance. Parameter Type: String Default Value: 1.E-3
delete backup files Description: If set to false, old backup files are not overwritten Parameter Type: String Allowed Values: t,f Default Value: f
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force intersection Description: If set to true, GGI intersection is forced Parameter Type: String Allowed Values: t,f Default Value: f
ggi periodic axial radial tolerance Description: GGI periodic surfaces cannot be constant axial surfaces or constant radial surfaces. This parameter controls the tolerance used to determine if the surface is in one of these two invalid situations. Parameter Type: String Default Value: 1.E-2
ignore solve flag on restart Description: Specifies whether an autoturnoff solve flag is read from the res file when restarting a simulation Parameter Type: String Allowed Values: t,f Default Value: f
include associated fields Description: Specifies whether gradients or other associated fields should be written to minimal transient files. Parameter Type: String Allowed Values: t,f Default Value: 1
include pref in forces Description: Specifies whether reference pressure is included in pressure integral for force and moment calculations Parameter Type: String Allowed Values: t,f Page 428
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Default Value: 1
k Parameter Type: Real Quantity Type: k
k Flux Parameter Type: Real Quantity Type: k Flux
k Flux Coefficient Parameter Type: Real Quantity Type: k Flux Coefficient
k Source Parameter Type: Real Quantity Type: k Source
k Source Coefficient Parameter Type: Real Quantity Type: k Source Coefficient
laplacian stresses Description: Control between the Laplacian form of the viscous stresses and the strictly correct stress tensor form Parameter Type: String Allowed Values: t,f Default Value: f
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max continuity loops Description: Maximum number of continuity loops to solve in a timestep Parameter Type: String Default Value: 1
mg solver option Description: Determines the coarsening algorithm for algebraic multigrid of the fluid coupled equations Parameter Type: String Allowed Values: 1,2,3,4 Default Value: None
min timesteps Description: Minimum number of time steps Parameter Type: String Default Value: 1
model coefficient relaxation Description: A control to improve k-e turbulence model convergence Parameter Type: String Default Value: 1.0
monitor forces Description: When set to true, outputs forces on boundaries to the solver output file every timestep Parameter Type: String Allowed Values: t,f Default Value: f
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monitor ftrans Description: When set to true, outputs false transient information (steady state only) to the solver output file for each loop Parameter Type: String Allowed Values: t,f Default Value: f
monitor ranges Description: When set to true, outputs variable ranges for each coefficient loop in steady state simulation or for each timestep in a transient simulation Parameter Type: String Allowed Values: t,f Default Value: f
monitor residuals Description: When set to True, outputs maximum residuals and locations for each coefficient loop (steady state) or timestep (transient) Parameter Type: String Allowed Values: t,f Default Value: f
monitor scales Description: When set to True, outputs variable scales for each coefficient loop (steady state) or timestep (transient) Parameter Type: String Allowed Values: t,f Default Value: f
monitor totals Description: When set to True, outputs boundary and source term flows for each coefficient loop (steady state) or timestep (transient) CFX-5.6
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Parameter Type: String Allowed Values: t,f Default Value: f
multigrid solver Description: Controls whether multigrid solver is used Parameter Type: String Allowed Values: t,f Default Value: f
outer loop relaxations default Description: The default value for several underrelaxation parameters at the time step loop level Parameter Type: String Default Value: 0.75
output eq flows Description: Writes boundary flux data for all equations to the results file so that they can be used for post processing Parameter Type: String Allowed Values: t,f Default Value: t
output eq residuals Description: Writes residuals for all equations to the results file for steady state solutions Parameter Type: String Allowed Values: t,f Default Value: f
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part cvs weighting Description: Vertex weighting by number of control volume sectors for parallel partitioning. Parameter Type: String Allowed Values: t,f Default Value: f
pressure diffusion scheme Description: Specifies the diffusion scheme for pressure in continuity: 1=central; 2=positive definite active Parameter Type: String Allowed Values: 1,2 Default Value: 2
pressure profile type Description: Specifies whether linear-linear (default) or trilinear interpolation is used for the pressure gradient term Parameter Type: String Allowed Values: 1,2 Default Value: 2
pressure reference node Description: Specifies node at which pressure reference is set if not supplied via boundary conditions Parameter Type: String Default Value: 0
pressure reference value Description: Specifies reference pressure value Parameter Type: String Default Value: 0.0 CFX-5.6
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relax mass Description: Changing this value can aid in convergence for problems that show residual oscillations in separate and re-attached regions Parameter Type: String Default Value: 0.75
rfr domain rotation Description: Enable domain rotation for RFR cases in the post processor by writing the theta shift angle to the result file Parameter Type: String Allowed Values: t,f Default Value: f
solve energy Description: Flag for controlling whether or not the controller solves the energy equation Parameter Type: String Allowed Values: t,f Default Value: t
solve fluids Description: Flag for controlling whether or not the controller solves the hydrodynamics equations Parameter Type: String Allowed Values: t,f Page 434
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Default Value: t
solve masfrc Description: Flag for controlling whether or not the controller solves for mass fraction equations Parameter Type: String Allowed Values: t,f Default Value: t
solve mixture fraction Description: Flag for controlling whether or not the controller solves for mixture fraction mean and variance equations Parameter Type: String Allowed Values: t,f Default Value: t
solve radiation Description: Flag for controlling whether or not the controller solves the radiation equations Parameter Type: String Allowed Values: t,f Default Value: t
solve reaction progress Description: Flag for controlling whether or not the controller solves for reaction progress equations Parameter Type: String Allowed Values: t,f Default Value: t
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solve rs eps Description: Flag for controlling whether or not the controller solves the Reynolds Stress equation Parameter Type: String Allowed Values: t,f Default Value: t
solve scalar Description: Flag for controlling whether or not the controller solves equations for additional variables Parameter Type: String Allowed Values: t,f Default Value: t
solve soot Description: Flag for controlling whether or not the controller solves for soot equations Parameter Type: String Allowed Values: t,f Default Value: t
solve temperature variance Description: Flag for controlling whether or not the controller solves for the temperature variance equation Parameter Type: String Allowed Values: t,f Default Value: t
solve tke eps Description: Flag for controlling whether or not the controller solves the k-epsilon equations Parameter Type: String Page 436
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Allowed Values: t,f Default Value: t
solve tke omega Description: Flag for controlling whether or not the controller solves the k-omega equations Parameter Type: String Allowed Values: t,f Default Value: t
solve visktrb Description: Flag for controlling whether or not the controller solves the kinematic eddy viscosity equations Parameter Type: String Allowed Values: t,f Default Value: t
solve volfrc Description: Flag for controlling whether or not the controller solves the volume fraction equations Parameter Type: String Allowed Values: t,f Default Value: f
solver relaxation fluids Description: The under-relaxation value for the coupled U, V, W and P linear smoother within the multigrid solver Parameter Type: String Default Value: 0.9
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solver relaxation scalar Description: The under-relaxation value for the scalar linear smoother within the multigrid solver Parameter Type: String Default Value: 1.0
solver target reduction fluids Description: A tolerance control for the linear solver coupled massmomentum system Parameter Type: String Default Value: 0.1
solver target reduction scalar Description: A tolerance control for the linear solver scalar equation Parameter Type: String Default Value: 0.01
stress diffusion scheme Description: Specifies the diffusion scheme for stress in momentum: 1=central; 2=positive definite active Parameter Type: String Allowed Values: 1,2 Default Value: 2
target imbalance scalar Description: The target imbalance for Additional Variables Parameter Type: String Default Value: None
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tbulk for htc Description: Reference bulk temperature to computer the Heat Transfer Coefficient (HTC) Parameter Type: String Default Value: 300.0
temperature damping Description: Apply temperature damping. Parameter Type: String Allowed Values: t,f Default Value: f
temperature damping factor Description: Relaxation factor used for temperature damping. Parameter Type: String Default Value: 0.2
temperature damping limit Description: Apply temperature damping only for temperature changes larger than this value. Parameter Type: String Default Value: 0.0
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tke eps timescale limiter Description: Specifies whether or not the tke dissipation and ted production terms use a k/epsilon ratio limited by the molecular viscosity. Parameter Type: String Allowed Values: t,f Default Value: f
topology estimate factor Description: Factor by which memory estimate for storing topology is multiplied Parameter Type: String Default Value: 1.0
transient initialisation override Description: Allow solver default initialisation to be used for a transient simulation Parameter Type: String Allowed Values: t,f Default Value: f
use kolmogorov ts for extinction Description: Use the Kolmogorov timescale (in contrast to mixing timescale) as turbulence timescale for flame extinction at high turbulence. Parameter Type: String Allowed Values: t,f Default Value: f
uu Parameter Type: Real Quantity Type: k Page 440
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uv Parameter Type: Real Quantity Type: k
uw Parameter Type: Real Quantity Type: k
vector parallel tolerance Description: This value is the error tolerated by the solver in degrees when determining the maximum deviation of any element face normal from the calculated average element face normal in a symmetry plane Parameter Type: String Default Value: 5.0
vv Parameter Type: Real Quantity Type: k
vw Parameter Type: Real Quantity Type: k
wall clock time Description: Output wall clock time during the outer loop in a steady state run or timestep loop in a transient run. Parameter Type: String Allowed Values: t,f Default Value: f
xValue Description: Input expression for vector VARIABLE component value in relevant units. Parameter Type: Real Quantity Type: Variable
xxValue Description: Input expression for symmetric tensor VARIABLE component value in relevant units. Parameter Type: Real Quantity Type: Variable
xyValue Description: Input expression for symmetric tensor VARIABLE component value in relevant units. Page 442
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Parameter Type: Real Quantity Type: Variable
xzValue Description: Input expression for symmetric tensor VARIABLE component value in relevant units. Parameter Type: Real Quantity Type: Variable
yValue Description: Input expression for vector VARIABLE component value in relevant units. Parameter Type: Real Quantity Type: Variable
yyValue Description: Input expression for symmetric tensor VARIABLE component value in relevant units. Parameter Type: Real Quantity Type: Variable
yzValue Description: Input expression for symmetric tensor VARIABLE component value in relevant units. Parameter Type: Real Quantity Type: Variable
zValue Description: Input expression for vector VARIABLE component value in relevant units. Parameter Type: Real Quantity Type: Variable CFX-5.6
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zzValue Description: Input expression for symmetric tensor VARIABLE component value in relevant units. Parameter Type: Real Quantity Type: Variable
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CFX-Post CCL Details • Using the CCL Content Documentation p. 446 • CCL Objects p. 447 • CCL Parameters p. 534
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Using the CCL Content Documentation This document is generated from the RULES file in the / etc/ directory. It contains a description of all the possible CCL objects and parameters. This includes currently unsupported models, use of which may cause incorrect results or Solver failure. If you cannot set an option in CFX-Pre, but find it defined here, then we recommend contacting CFX support before using it in a simulation.
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CCL Objects UNIT SYSTEM Description Singleton Object: This object stores the preferred units. Allowed Parameters Essential Parameters Preferred Units System : This specifies the Units System to use. Optional Parameters Update Units to Preferred : This logical indicates whether all displayed units should always be updated to display the preferred units. If this is "false", quantities will be converted to preferred types. Custom Units Setting : This is a comma delimited list of Quantities and their selected units for the Custom Units Setting. The list will contain both Quantities and the units: e.g. Acceleration, m s^-2, Angle, radian, ...
STREAMLINE Description Named Object: Calculates streamline plots as lines, ribbons or tubes Allowed Parameters Essential Parameters Location List : A comma delimited list of locator names. Variable : The name of the variable used to create the object. Should be set equal to the name of a currently defined VARIABLE object. Streamline Maximum Segments : Stops streamline calculation when number of segments exceeds this Optional Parameters Domain List : The list of domains over which to define this object. CFX-5.6
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Streamline Direction : The direction in which streams are to be calculated Tolerance Mode : whether Grid Tolerance or Absolute Tolerance are used Grid Tolerance : Fraction of local grid size to use as a maximum step tolerance Absolute Tolerance : Length to use as a maximum step tolerance Cross Periodics : If true allows a streamline to cross a periodic boundary Draw Symbols : Draw symbols on the streams at specified times Stream Symbol : Name of streamline symbol to be used for plot. Draw Streams : If false do not draw streams, but allow drawing of symbols Symbol Start Time : The particle age at which to draw the first symbol Symbol Stop Time : Draw no symbols with particle age lower than this Symbol Time Interval : Draw symbols at regular times separated by this value Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Variable Boundary Values : Sets the type of boundary values to be presented for variables in this object (Conservative or Hybrid). Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Page 448
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Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Symbol Size : A scaling factor for all symbols in the plot. Visibility : Toggles the visibility of this graphics object in the viewer. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Draw Faces : Toggles the visibility filled faces for this graphics objectin the viewer. Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. Lighting : Toggles the lighting of this graphics object in the viewer. Draw Lines : Toggles the visibility of lines around each face of this graphics object. Specular Lighting : Toggles the specular lighting of this object in the viewer. Culling Mode : Controls the face culling of this object in the viewer. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Streamline Maximum Time : Stops streamline calculation when particle age exceeds this Streamline Solver Type : The solver to use to calculate the streamlines Reduction Factor : Reduces the number of nodes of a locator to use Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Streamline Maximum Periods : Limits the number of times a streamline may cross a periodic boundary Stream Drawing Mode : The streamline drawing mode. CFX-5.6
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Stream Size : The initial width of stream ribbons or tubes Stream Initial Direction : Defines the initial plane of a stream ribbon Number of Sides : The number of sides of a "round" tube Streamline Width : The width of the streamline. Option : A generic parameter used to define the context setting for a variety of objects. Internal Parameters Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
DOMAIN Description Named Object: An automatically created object for each domain read from the results file. Allowed Parameters Optional Parameters Domain Type : The type of the domain. Has Axis of Rotation : Boolean indicating whether axis of rotation is defined in the result file or not Blade Region : A comma delimited list of locator names. Hub Region : A comma delimited list of locator names. Shroud Region : A comma delimited list of locator names. Inlet Region : A comma delimited list of locator names. Outlet Region : A comma delimited list of locator names. Periodic 1 Region : A comma delimited list of locator names. Periodic 2 Region : A comma delimited list of locator names.
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Background Mesh Generation Method : The method that TurboTransform module will use to generate the background mesh Background Mesh Density : background mesh density for turbo component Apply Reflection : Toggles reflection in the transformation. Apply Translation : Toggles translation in the transformation. Apply Rotation : Toggles rotation in the transformation. Reflection Plane : Specifies the REFLECTION PLANE object to use in a transformation. Rotation Axis Type : Specifies the rotation axis type in the transformation. If it is set to "Principal Axis", Principal Axis parameter setting is used. It it is set to "Rotation Axis", parameters Rotation Axis From and Rotation Axis To are used for the axis definition. Principal Axis : Specifies the principal axis used in instance rotation. Rotation Axis From : An XYZ triple defining the first point of the rotation axis. Rotation Axis To : An XYZ triple defining the second point of the rotation axis. Full Circle : If set to On, the instances are placed uniformly about the instance rotation axis. Note that the Number of Copies has to be greater than two when this option is used. Angle Definition Method : Specifies angle definition method. If it is set to "Value", parameter Rotation Angle value will be used for angular instancing. If it is set to "Instances in 360", parameter "Number of Components in 360" will be used. Rotation Angle : Specifies the rotation angle. Number of Components in 360 : Number of Components in 360 degrees Translation Vector : Specifies the translation vector. Number of Copies : Specifies the number of transformed copies. Axis From File : Logical parameter indicating if axis of rotation is defined in the res file. Turbo Rotation Axis Type : Specifies the rotation axis type in the transformation. If it is set to "Principal Axis", Principal Axis parameter setting is used. It it is set to "Rotation Axis", parameters Rotation Axis From and Rotation Axis To are used for the axis definition. Turbo Principal Axis : Specifies the principal axis used in turbo setup CFX-5.6
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Turbo Rotation Axis From : An XYZ triple defining the first point of the rotation axis. Turbo Rotation Axis To : An XYZ triple defining the second point of the rotation axis. Hub Curve Mode : The type of line used to define Hub curve. The Hub line is needed for calculation of the Background Mesh. By default it is calculated from the corresponding Hub Region(s), but optionally it can be defined via a line or a polyline. Hub Line Object : Specifies the line object(s) to be used for the definition of the Hub curve. This parameter is used when Hub Curve Mode is set to From Line. Shroud Curve Mode : The type of line used to define Shroud curve. The Shroud line is needed for calculation of the Background Mesh. By default it is calculated from the corresponding Shroud Region(s), but optionally it can be defined via a line or a polyline. Shroud Line Object : Specifies the line object(s) to be used for the definition of the Shroud curve. This parameter is used when Shroud Curve Mode is set to From Line. Inlet Curve Mode : The type of line used to define Inlet curve. The Inlet line is needed for calculation of the Background Mesh. By default it is calculated from the corresponding Inlet Region(s), but optionally it can be defined via a line or a polyline. Inlet Line Object : Specifies the line object(s) to be used for the definition of the Inlet curve. This parameter is used when Inlet Curve Mode is set to From Line. Outlet Curve Mode : The type of line used to define Outlet curve. The Outlet line is needed for calculation of the Background Mesh. By default it is calculated from the corresponding Outlet Region(s), but optionally it can be defined via a line or a polyline. Outlet Line Object : Specifies the line object(s) to be used for the definition of the Outlet curve. This parameter is used when Outlet Curve Mode is set to From Line. Internal Parameters Is Rotating : flag indicating if the domain is rotating. UpStream Domain : upstream domain for the domain. DownStream Domain : downstream domain for the domain. Angular Velocity : the rotational speed of a turbo component Reference Pressure : reference pressure for a domain Page 452
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Do Turbo Initialization : flag indicating whether turbo initialisation will be performed on the domain. Current Rotation Axis From : An XYZ triple defining the first point of the rotation axis used currently in this domain. Current Rotation Axis To : An XYZ triple defining the second point of the rotation axis used currently in this domain. Number of Nodes : The internal parameter for the MESH CALCULATOR object used to store the number of nodes. Number of Elements : The internal parameter for the MESH CALCULATOR object used to store the number of elements. Number of Tetrahedra : The internal parameter for the MESH CALCULATOR object used to store the number of tetrahedra. Number of Wedges : The internal parameter for the MESH CALCULATOR object used to store the number of wedges. Number of Pyramids : The internal parameter for the MESH CALCULATOR object used to store the number of pyramids. Number of Hexahedra : The internal parameter for the MESH CALCULATOR object used to store the number of hexahedra.
TURBO SURFACE Description Named Object: A locator generated by the surface of a constant turbo coordinate. Allowed Parameters Essential Parameters Option : A generic parameter used to define the context setting for a variety of objects. Optional Parameters Turbo Domain List : The list of domains over which to define this object. Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear.
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Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Circumferential Average Mode : method used to calculate circumferential average for colouring variable on a turbo object Maximum Number of Sampling Points : Specifies the maximum number of sampling points for circumferential averaging. Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Visibility : Toggles the visibility of this graphics object in the viewer. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Draw Faces : Toggles the visibility filled faces for this graphics objectin the viewer. Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. Draw Lines : Toggles the visibility of lines around each face of this graphics object. Line Width : Controls the width (in pixels) of lines drawn for this graphics object.
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Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Surface Type : Indicates if the surface is a slice or sample surface. Surface Bound : Defines surface bounding (Rectangular, None). Streamwise Min : Lower bound of M" coordinate for a turbo surface. Streamwise Max : Upper bound of M" coordinate for a turbo surface. Theta Min : Lower bound of Theta coordinate for a turbo surface. Theta Max : Upper bound of Theta coordinate for a turbo surface. Span Min : Lower bound of Span coordinate for a turbo surface. Span Max : Upper bound of Span coordinate for a turbo surface. Streamwise Points : Number of Sample points in M direction (turbo coordinate). Theta Points : Number of Sample points in T direction (turbo coordinate). Span Points : Number of Sample points in S direction (turbo coordinate). Invert Surface Bound : Reverses the surface bounds by selecting region outside surface bound. Lighting : Toggles the lighting of this graphics object in the viewer. Specular Lighting : Toggles the specular lighting of this object in the viewer. Culling Mode : Controls the face culling of this object in the viewer. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Render Edge Angle : The angle between two faces used to limit visible edges in a wireframe. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Constant Streamwise Location, Constant Theta, Constant Span, Cone CFX-5.6
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Option = Constant Streamwise Location Optional Parameters Streamwise Location : The normalised M" turbo coordinate value for the location of this object. Option = Constant Theta Optional Parameters Theta : The Theta coordinate value for the location of this object. Option = Constant Span Optional Parameters Span : The normalised Span turbo coordinate value for the location of this object. Option = Cone Optional Parameters Point Coord System : Specifies the coordinate system in which the points are specified. Point 1 : An XYZ triple defining the first point for this object. Point 2 : An XYZ triple defining the second point for this object. Clip Cone : Enables/disables clipping in a cone surface
TURBO LINE Description Named Object: A locator defined by two constant turbo coordinate Allowed Parameters Essential Parameters Option : A generic parameter used to define the context setting for a variety of objects. Optional Parameters Turbo Domain List : The list of domains over which to define this object. Page 456
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Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Visibility : Toggles the visibility of this graphics object in the viewer. Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Line Type : Indicates if the line is a cut or sample line. Line Bound : Defines line bounding (End Points, None). Circumferential Average Mode : method used to calculate circumferential average for colouring variable on a turbo object Maximum Number of Sampling Points : Specifies the maximum number of sampling points for circumferential averaging. Streamwise Min : Lower bound of M" coordinate for a turbo surface. Streamwise Max : Upper bound of M" coordinate for a turbo surface. Theta Min : Lower bound of Theta coordinate for a turbo surface. CFX-5.6
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Theta Max : Upper bound of Theta coordinate for a turbo surface. Span Min : Lower bound of Span coordinate for a turbo surface. Span Max : Upper bound of Span coordinate for a turbo surface. Streamwise Points : Number of Sample points in M direction (turbo coordinate). Theta Points : Number of Sample points in T direction (turbo coordinate). Span Points : Number of Sample points in S direction (turbo coordinate). Invert Line Bound : Reverses the line bounds by selecting line outside line bound. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Inlet to Outlet, Hub to Shroud, Circumferential Option = Inlet to Outlet Optional Parameters Span : The normalised Span turbo coordinate value for the location of this object. Theta : The Theta coordinate value for the location of this object. Option = Hub to Shroud Optional Parameters Turbo Line Mode : The method of generation of "Hub to Shroud" Turbo Line Streamwise Location : The normalised M" turbo coordinate value for the location of this object. Theta : The Theta coordinate value for the location of this object. Point Coord System : Specifies the coordinate system in which the points are specified. Page 458
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Point 1 : An XYZ triple defining the first point for this object. Point 2 : An XYZ triple defining the second point for this object. Option = Circumferential Optional Parameters Span : The normalised Span turbo coordinate value for the location of this object. Streamwise Location : The normalised M" turbo coordinate value for the location of this object.
ROOT Description Singleton Object: The ROOT object lists all the object types that can be defined in CFX-Post. Allowed Sub-Objects Optional Sub-Objects UNIT SYSTEM : This object stores the preferred units. STREAMLINE : Calculates streamline plots as lines, ribbons or tubes DOMAIN : An automatically created object for each domain read from the results file. TURBO SURFACE : A locator generated by the surface of a constant turbo coordinate. TURBO LINE : A locator defined by two constant turbo coordinate LIBRARY : LIBRARY is automatically read from the VARIABLES library file. POINT : Defines a point using X, Y and Z coordinates. POLYLINE : A locator defined by multiple sets of points read from a data file or by the intersection of a boundary and a locator.The points may have local (path) variables associated with them. The polyline can interact with CFD data and can be coloured using path variables or domain variables.
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PARTICLE TRACK : A particle track object providing the filtering of the display of particle tracks that exist in the current RES file (if any) and/ or tracks loaded from a separate tracks file. RES PARTICLE TRACK : A particle track object that provides the default displaying of particle tracks that exist in the loaded RES file. If the RES file has no Track data, this object is not created. SUBDOMAIN : A volume region of a domain defined as a subdomain. BOUNDARY : A locator defined by a boundary condition that exists in the results file. WIREFRAME : Plots an outline of the domain given by edges between elements with greater than the specified angle. VECTOR : Creates a vector plot on a given list of locators. SYMBOL : An internal object representing a plotting symbol. ISOSURFACE : A locator generated by the surface which passes through a constant value of a specified variable. USER SURFACE : Allows the user to read an external file while contains elements describing a general 3D surface, with local variable values optionally specified on each node. The surface can interact with CFD data and can be coloured using local variables or domain variables. PLANE : A general object to describe a plane through the domain. Slice planes (which can be bounded) and sample planes are supported. CLIP PLANE : Defines a plane that can be used to clip graphics in the viewer. VOLUME : An object that contains a subset of the volume elements of the domains it is defined on. Options are provided to specify how that subset is defined. LINE : Defines a line object. CONTOUR : Creates a contour plot on a given list of locators. SURFACE GROUP : Creates a group of surface plot on a given list of locators. HARDCOPY : This object contains the settings used to control the creation of hardcopy output from the viewer. It is used by the "print" action. DATA READER : This object contains the settings used to read results files into the post-processor. It is used by the "load" action. Page 460
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EXPORT : Holds parameters which control the export of data to an external text file. SESSION : Stores parameters used by the readsession command. STATE : Stores parameters used by the readstate and savestate commands. VIEWPORT MANAGER : This object stores the parameters that control the global viewport controls. VIEWPORT : This object stores the viewport settings. VIEWER : This object stores the viewport settings. VECTOR VARIABLE : A object used to reference the data associated with a vector quantity in the results file. SCALAR VARIABLE : A object used to reference the data associated with a scalar quantity in the results file. USER SCALAR VARIABLE : A object used to reference user-defined data. ANIMATION : Defines a Keyframe animation sequence. A list of KEYFRAME objects indicate the states between which to interpolate. KEYFRAME : Defines a specific keyframe for an animation sequence. The actual system state is stored in a file referenced by the "Keyframe Filename" parameter. GROUP : Allows a group of multiple objects to behave as a single object. Currently only used internally and does not work for graphics, etc. DEFAULT INSTANCE TRANSFORM : Specifies the default instance transformation. INSTANCE TRANSFORM : Specifies an instance transformation that can consist of a rotation, a translation, a reflection and a number of copies of the original object to produce. Note that applying reflection duplicates the number of copies. REFLECTION PLANE : This is a sub-object used for the reflection plane definition in TRANSFORM object. CAMERA : Defines a camera that can be used to specify the current view in the VIEWER object. LEGEND : Creates a labelled colour bar to show to legend associated with the named plot. DEFAULT LEGEND : Creates a labelled colour bar to show to legend associated with the named plot. CFX-5.6
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TEXT : A single piece of text. This text item can be attached to a point on screen (specified in two dimensions), or attached to a point in three dimensions, following that point through any viewer transformations. Font, size, colour, rotation and justification options are provided. COORD FRAME : Defines a coordinate frame which can be used for setting direction and axis specifications. CHART : This object is used to create a chart and specify general chart parameters, including the CHART LINE objects that define the chart lines. CHART LINE : This object defines the variable, line style, symbol style, and colours to use for a chart line. CALCULATOR : This singleton is used by the calculate action to define the function and arguments to be evaluated, and store the Result. MESH CALCULATOR : This singleton is used by the mesh calculate action to define the function to be evaluated, and store the max and min Results. EXPRESSION EVALUATOR : This singleton evaluates the specified Expression and stores the Result. EXPRESSION PREVIEW : This singleton is used to generate data for expression preview graphs.
LIBRARY Description Singleton Object: LIBRARY is automatically read from the VARIABLES library file. Allowed Sub-Objects Optional Sub-Objects CEL : CEL :
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POINT Description Named Object: Defines a point using X, Y and Z coordinates. Allowed Parameters Essential Parameters Option : A generic parameter used to define the context setting for a variety of objects. Optional Parameters Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Visibility : Toggles the visibility of this graphics object in the viewer. CFX-5.6
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Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. Draw Faces : Toggles the visibility filled faces for this graphics objectin the viewer. Draw Lines : Toggles the visibility of lines around each face of this graphics object. Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Point Symbol : Name of point symbol (non-directional) to be used for plot. Symbol Size : A scaling factor for all symbols in the plot. Normalized : If set On, all vectors are plotted with the same length (show direction only). Lighting : Toggles the lighting of this graphics object in the viewer. Specular Lighting : Toggles the specular lighting of this object in the viewer. Culling Mode : Controls the face culling of this object in the viewer. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Internal Parameters Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
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Option = Node Number Optional Parameters Domain List : The list of domains over which to define this object. Node Number : Option = Variable Minimum Optional Parameters Domain List : The list of domains over which to define this object. Location : A locator name. Variable : The name of the variable used to create the object. Should be set equal to the name of a currently defined VARIABLE object. Option = Variable Maximum Optional Parameters Domain List : The list of domains over which to define this object. Location : A locator name. Variable : The name of the variable used to create the object. Should be set equal to the name of a currently defined VARIABLE object.
POLYLINE Description Named Object: A locator defined by multiple sets of points read from a data file or by the intersection of a boundary and a locator.The points may have local (path) variables associated with them. The polyline can interact with CFD data and can be coloured using path variables or domain variables. Allowed Parameters Essential Parameters Option : A generic parameter used to define the context setting for a variety of objects. Optional Parameters
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Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Visibility : Toggles the visibility of this graphics object in the viewer. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Internal Parameters Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
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Option = From File Essential Parameters Input File : The name of the file to be read that contains the definition of one or more polylines and associated path variables. Option = Boundary Intersection Essential Parameters Location : A locator name. Boundary List : A list of boundary objects Optional Parameters Domain List : The list of domains over which to define this object. Option = From Contour Essential Parameters Contour Name : The name of the contour object specified in a user surface. Optional Parameters Contour Level : The contour level specified in a user surface.
PARTICLE TRACK Description Named Object: A particle track object providing the filtering of the display of particle tracks that exist in the current RES file (if any) and/ or tracks loaded from a separate tracks file. Allowed Parameters Essential Parameters Option : A generic parameter used to define the context setting for a variety of objects. Optional Parameters Domain List : The list of domains over which to define this object. Reduction or Max Tracks : This indicates whether to use "Reduction Factor" to reduce the number of tracks, or to use "Maximum Number of Tracks" CFX-5.6
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Reduction Factor : Reduces the number of nodes of a locator to use Maximum Number of Tracks : Specifies the maximum number of tracks that should be displayed. This parameter is mutually exclusive with the Reduction Factor Parameter. Track Material : Specifies the material of the track for this object. Activate Filter : A Logical field indicating whether to use the filter to select which tracks to display. Filter On Start : A Logical field indicating whether to use the Starting Boundary when filtering. Starting Boundary : A list of Boundary names to filter particle tracks that start on the specified boundaries. Filter On End : A Logical field indicating whether to use the Ending Boundary when filtering. Ending Boundary : A list of Boundary names to filter particle tracks that end on the specified boundaries. Filter On Diameter : A Logical field indicating whether to use Particle Diameter when filtering. Particle Diameter : The Particle Diameter to use in filtering tracks. Particle Diameter Condition : The condition to test for when filtering with Particle Diameter. Filter On Track Selection : A Logical field indicating whether to use the Track Selection when filtering. Track Selection : A string list containing a subset of track numbers to select the tracks to display. Any All Condition : The way the Filtering conditions should be combined. "Any" means that all tracks that meet any of the conditions will be displayed. "All" means that only the tracks that meet all of the conditions will be displayed. Draw Symbols : Draw symbols on the streams at specified times Track Symbol : Name of streamline symbol to be used for plot. Draw Tracks : If false do not draw tracks, but allow drawing of symbols Symbol Size : A scaling factor for all symbols in the plot. Symbol Start Time : The particle age at which to draw the first symbol Symbol Stop Time : Draw no symbols with particle age lower than this Symbol Time Interval : Draw symbols at regular times separated by this value Page 468
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Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Visibility : Toggles the visibility of this graphics object in the viewer. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Draw Faces : Toggles the visibility filled faces for this graphics objectin the viewer. Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. Lighting : Toggles the lighting of this graphics object in the viewer. Draw Lines : Toggles the visibility of lines around each face of this graphics object. Specular Lighting : Toggles the specular lighting of this object in the viewer. Culling Mode : Controls the face culling of this object in the viewer.
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Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Track Drawing Mode : The streamline drawing mode. Number of Sides : The number of sides of a "round" tube Track Line Width : The width of the streamline. Track Initial Direction : Defines the initial plane of a stream ribbon Track Size : The initial width of stream ribbons or tubes Show Track Labels : Indicates whether or not to show the track number labels. Text Height : The height an item of text should be, proportional to the screen. Font : The font name for an item of text. Text Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the text. Internal Parameters Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
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Number of Displayed Tracks : The number of tracks filtered to be displayed in the viewer. Track Index Range : The range of valid track indices. The indices may extend beyond the number of tracks, specifically when track reduction was selected for the solver. Tracks Displayed : A list of the track numbers that are displayed in the viewer. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: From Res, From File Option = From Res Option = From File Essential Parameters Track File Type : The type of file to read the particle tracks from. This is only available if the Particle Track Option is "From File". Currently only supports CFX4 files. Input File : The name of the file to be read that contains the definition of one or more polylines and associated path variables.
RES PARTICLE TRACK Description Named Object: A particle track object that provides the default displaying of particle tracks that exist in the loaded RES file. If the RES file has no Track data, this object is not created. Allowed Parameters Essential Parameters Option : A generic parameter used to define the context setting for a variety of objects. Optional Parameters Domain List : The list of domains over which to define this object. CFX-5.6
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Reduction or Max Tracks : This indicates whether to use "Reduction Factor" to reduce the number of tracks, or to use "Maximum Number of Tracks" Reduction Factor : Reduces the number of nodes of a locator to use Maximum Number of Tracks : Specifies the maximum number of tracks that should be displayed. This parameter is mutually exclusive with the Reduction Factor Parameter. Track Material : Specifies the material of the track for this object. Activate Filter : A Logical field indicating whether to use the filter to select which tracks to display. Filter On Start : A Logical field indicating whether to use the Starting Boundary when filtering. Starting Boundary : A list of Boundary names to filter particle tracks that start on the specified boundaries. Filter On End : A Logical field indicating whether to use the Ending Boundary when filtering. Ending Boundary : A list of Boundary names to filter particle tracks that end on the specified boundaries. Filter On Diameter : A Logical field indicating whether to use Particle Diameter when filtering. Particle Diameter : The Particle Diameter to use in filtering tracks. Particle Diameter Condition : The condition to test for when filtering with Particle Diameter. Filter On Track Selection : A Logical field indicating whether to use the Track Selection when filtering. Track Selection : A string list containing a subset of track numbers to select the tracks to display. Any All Condition : The way the Filtering conditions should be combined. "Any" means that all tracks that meet any of the conditions will be displayed. "All" means that only the tracks that meet all of the conditions will be displayed. Draw Symbols : Draw symbols on the streams at specified times Track Symbol : Name of streamline symbol to be used for plot. Draw Tracks : If false do not draw tracks, but allow drawing of symbols Symbol Size : A scaling factor for all symbols in the plot. Symbol Start Time : The particle age at which to draw the first symbol Page 472
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Symbol Stop Time : Draw no symbols with particle age lower than this Symbol Time Interval : Draw symbols at regular times separated by this value Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Visibility : Toggles the visibility of this graphics object in the viewer. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Draw Faces : Toggles the visibility filled faces for this graphics objectin the viewer. Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. Lighting : Toggles the lighting of this graphics object in the viewer. Draw Lines : Toggles the visibility of lines around each face of this graphics object.
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Specular Lighting : Toggles the specular lighting of this object in the viewer. Culling Mode : Controls the face culling of this object in the viewer. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Track Drawing Mode : The streamline drawing mode. Number of Sides : The number of sides of a "round" tube Track Line Width : The width of the streamline. Track Initial Direction : Defines the initial plane of a stream ribbon Track Size : The initial width of stream ribbons or tubes Show Track Labels : Indicates whether or not to show the track number labels. Text Height : The height an item of text should be, proportional to the screen. Font : The font name for an item of text. Text Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the text. Internal Parameters Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
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Diameter Min : The minimum diameter of all tracks read from the file. Number of Tracks : The total number of tracks that are available for viewing. Number of Displayed Tracks : The number of tracks filtered to be displayed in the viewer. Track Index Range : The range of valid track indices. The indices may extend beyond the number of tracks, specifically when track reduction was selected for the solver. Tracks Displayed : A list of the track numbers that are displayed in the viewer. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: From Res, From File Option = From Res Option = From File
SUBDOMAIN Description Named Object: A volume region of a domain defined as a subdomain. Allowed Parameters Optional Parameters Domain List : The list of domains over which to define this object. Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. CFX-5.6
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Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Visibility : Toggles the visibility of this graphics object in the viewer. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Draw Faces : Toggles the visibility filled faces for this graphics objectin the viewer. Draw Lines : Toggles the visibility of lines around each face of this graphics object. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. Lighting : Toggles the lighting of this graphics object in the viewer. Specular Lighting : Toggles the specular lighting of this object in the viewer. Culling Mode : Controls the face culling of this object in the viewer. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer.
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Render Edge Angle : The angle between two faces used to limit visible edges in a wireframe. Internal Parameters Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
BOUNDARY Description Named Object: A locator defined by a boundary condition that exists in the results file. Allowed Parameters Optional Parameters Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. CFX-5.6
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Visibility : Toggles the visibility of this graphics object in the viewer. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Draw Faces : Toggles the visibility filled faces for this graphics objectin the viewer. Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. Draw Lines : Toggles the visibility of lines around each face of this graphics object. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Domain List : The list of domains over which to define this object. Lighting : Toggles the lighting of this graphics object in the viewer. Specular Lighting : Toggles the specular lighting of this object in the viewer. Culling Mode : Controls the face culling of this object in the viewer. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Render Edge Angle : The angle between two faces used to limit visible edges in a wireframe. Internal Parameters Solver Name : The name of this object inside the RES file. Boundary Type : Internal parameter tells the type of the boundary. Periodicity Type : Says whether the boundary is periodic in rotation or translation Rotation Axis From : An XYZ triple defining the first point of the rotation axis. Rotation Axis To : An XYZ triple defining the second point of the rotation axis. Rotation Angle : Specifies the rotation angle. Page 478
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Translation Vector : Specifies the translation vector. Opposite Boundary List : The boundaries that form the other side of a periodic link Interface Type : Matches the solver CCL parameter, saying what kind of GGI interface this is Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
WIREFRAME Description Named Object: Plots an outline of the domain given by edges between elements with greater than the specified angle. Allowed Parameters Optional Parameters Edge Angle : The angle between two faces used to limit visible edges in a wireframe. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Visibility : Toggles the visibility of this graphics object in the viewer. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Domain List : The list of domains over which to define this object. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer.
VECTOR Description Named Object: Creates a vector plot on a given list of locators. CFX-5.6
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Allowed Parameters Essential Parameters Location List : A comma delimited list of locator names. Variable : The name of the variable used to create the object. Should be set equal to the name of a currently defined VARIABLE object. Optional Parameters Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Variable Boundary Values : Sets the type of boundary values to be presented for variables in this object (Conservative or Hybrid). Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Normalized : If set On, all vectors are plotted with the same length (show direction only). Symbol : Name of symbol to be used for the vector plot. Symbol Size : A scaling factor for all symbols in the plot. Projection Type : The vector projection type to be used in creating this plot. Page 480
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Visibility : Toggles the visibility of this graphics object in the viewer. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Domain List : The list of domains over which to define this object. Direction : The direction specification for vector coord frame projection. Reduction Factor : Reduces the number of nodes of a locator to use Surface Sampling : If set On, results are displayed at a subset of points in the plot. Number of Samples : The number of random samples to be taken in the plot. Random Seed : The seed to be used in the sampling of points on the plot. Draw Lines : Toggles the visibility of lines around each face of this graphics object. Draw Faces : Toggles the visibility filled faces for this graphics objectin the viewer. Lighting : Toggles the lighting of this graphics object in the viewer. Specular Lighting : Toggles the specular lighting of this object in the viewer. Culling Mode : Controls the face culling of this object in the viewer. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Internal Parameters Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
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SYMBOL Description Named Object: An internal object representing a plotting symbol. Allowed Parameters Essential Parameters Symbol Type : The category a symbol falls under. Context Sensitive Settings Context Controlling Parameter: Symbol Type Allowed Context Settings: Arrow2D, Arrow3D, Crosshair, Octahedron, Line Arrow, Arrowhead Symbol Type = Arrow2D Symbol Type = Arrow3D Symbol Type = Crosshair Symbol Type = Octahedron Symbol Type = Line Arrow Symbol Type = Arrowhead
ISOSURFACE Description Named Object: A locator generated by the surface which passes through a constant value of a specified variable. Allowed Parameters Optional Parameters Page 482
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Variable : The name of the variable used to create the object. Should be set equal to the name of a currently defined VARIABLE object. Value : The value of the variable at which the isosurface is to be plotted. Variable Boundary Values : Sets the type of boundary values to be presented for variables in this object (Conservative or Hybrid). Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Visibility : Toggles the visibility of this graphics object in the viewer. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Draw Faces : Toggles the visibility filled faces for this graphics objectin the viewer. Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. Draw Lines : Toggles the visibility of lines around each face of this graphics object. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. CFX-5.6
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Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Domain List : The list of domains over which to define this object. Lighting : Toggles the lighting of this graphics object in the viewer. Specular Lighting : Toggles the specular lighting of this object in the viewer. Culling Mode : Controls the face culling of this object in the viewer. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Render Edge Angle : The angle between two faces used to limit visible edges in a wireframe. Internal Parameters Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
USER SURFACE Description Named Object: Allows the user to read an external file while contains elements describing a general 3D surface, with local variable values optionally specified on each node. The surface can interact with CFD data and can be coloured using local variables or domain variables. Allowed Parameters Essential Parameters Option : A generic parameter used to define the context setting for a variety of objects. Optional Parameters
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Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Visibility : Toggles the visibility of this graphics object in the viewer. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Draw Faces : Toggles the visibility filled faces for this graphics objectin the viewer. Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. Draw Lines : Toggles the visibility of lines around each face of this graphics object. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Lighting : Toggles the lighting of this graphics object in the viewer. Specular Lighting : Toggles the specular lighting of this object in the viewer. CFX-5.6
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Culling Mode : Controls the face culling of this object in the viewer. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Render Edge Angle : The angle between two faces used to limit visible edges in a wireframe. Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Internal Parameters Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
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Contour Level : The contour level specified in a user surface. Option = Transformed Surface Essential Parameters Surface Name : The name of the surface object to offset from. Optional Parameters Apply Scale : Toggles scale in the transformation. Scale Factor : The object scale factor used in the transformation Apply Translation : Toggles translation in the transformation. Translation Vector : Specifies the translation vector. Apply Rotation : Toggles rotation in the transformation. Rotation Angle : Specifies the rotation angle. Rotation Axis Type : Specifies the rotation axis type in the transformation. If it is set to "Principal Axis", Principal Axis parameter setting is used. It it is set to "Rotation Axis", parameters Rotation Axis From and Rotation Axis To are used for the axis definition. Principal Axis : Specifies the principal axis used in instance rotation. Rotation Axis From : An XYZ triple defining the first point of the rotation axis. Rotation Axis To : An XYZ triple defining the second point of the rotation axis. Option = Offset From Surface Essential Parameters Surface Name : The name of the surface object to offset from. Optional Parameters Offset Type : Specifies the offset type (used in Offset From Surface mode). Offset Mode : Specifies the offset mode (used in Offset From Surface mode). Offset Distance : The offset distance (used in Offset From Surface mode). Offset Variable : Specifies the variable to be used for the offset (used in Offset From Surface mode).
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Offset Direction : Specifies the offset direction vector (used in Offset From Surface mode).
PLANE Description Named Object: A general object to describe a plane through the domain. Slice planes (which can be bounded) and sample planes are supported. Allowed Parameters Essential Parameters Option : A generic parameter used to define the context setting for a variety of objects. Optional Parameters Domain List : The list of domains over which to define this object. Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Page 488
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Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Visibility : Toggles the visibility of this graphics object in the viewer. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Draw Faces : Toggles the visibility filled faces for this graphics objectin the viewer. Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. Draw Lines : Toggles the visibility of lines around each face of this graphics object. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Plane Bound : Defines plane bounding (Circular, Rectangular, None). Bound Radius : Radius of Circular Plane Bound. Direction 1 Bound : Length of Rectangular Plane Bound. Direction 2 Bound : Width of Rectangular Plane Bound. Direction 1 Orientation : Orientation of Rectangular Plane Bound length. Direction 1 Points : Number of Sample points in direction 1. Direction 2 Points : Number of Sample points in direction 2. Plane Type : Indicates if the plane is a slice or sample plane. Invert Plane Bound : Reverses the plane bounds by selecting region outside plane bound. Lighting : Toggles the lighting of this graphics object in the viewer. Specular Lighting : Toggles the specular lighting of this object in the viewer. Culling Mode : Controls the face culling of this object in the viewer. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing.
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Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Render Edge Angle : The angle between two faces used to limit visible edges in a wireframe. Internal Parameters Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
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CLIP PLANE Description Named Object: Defines a plane that can be used to clip graphics in the viewer. Allowed Parameters Essential Parameters Option : A generic parameter used to define the context setting for a variety of objects. Optional Parameters Flip Normal : If this parameter is set to true, the normal of the clip plane will be flipped, effectively inverting the clipping region. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: XY Plane, YZ Plane, ZX Plane, Point and Normal, Three Points, From Slice Plane Option = YZ Plane Optional Parameters X : The X coordinate value for the location of this object. Option = ZX Plane Optional Parameters Y : The Y coordinate value for the location of this object. Option = XY Plane Optional Parameters Z : The Z coordinate value for the location of this object. Option = Point and Normal Optional Parameters Point : An XYZ triple which defines a point in space. CFX-5.6
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Normal : An XYZ triple describing the normal vector. Option = Three Points Optional Parameters Point 1 : An XYZ triple defining the first point for this object. Point 2 : An XYZ triple defining the second point for this object. Point 3 : An XYZ triple defining the third point for this object. Option = From Slice Plane Optional Parameters Slice Plane : Specifies the name of the PLANE object to use for the clip plane definition.
VOLUME Description Named Object: An object that contains a subset of the volume elements of the domains it is defined on. Options are provided to specify how that subset is defined. Allowed Parameters Essential Parameters Option : A generic parameter used to define the context setting for a variety of objects. Optional Parameters Domain List : The list of domains over which to define this object. Element Type List : The element type(s) to include in the volume (Tet, Pyramid, Wedge, Hex). If left blank, all types are included. Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Page 492
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Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Visibility : Toggles the visibility of this graphics object in the viewer. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Draw Faces : Toggles the visibility filled faces for this graphics objectin the viewer. Draw Lines : Toggles the visibility of lines around each face of this graphics object. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. Lighting : Toggles the lighting of this graphics object in the viewer. Specular Lighting : Toggles the specular lighting of this object in the viewer. Culling Mode : Controls the face culling of this object in the viewer. Inclusive : If this parameter set to true, then the volume for above or below intersection includes intersections .
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Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Render Edge Angle : The angle between two faces used to limit visible edges in a wireframe. Internal Parameters Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
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Value 2 : The value of the variable at which the isovolume is to be plotted it is used when the isovolume mode is between values.
LINE Description Named Object: Defines a line object. Allowed Parameters Essential Parameters Option : A generic parameter used to define the context setting for a variety of objects. Optional Parameters Domain List : The list of domains over which to define this object. Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Visibility : Toggles the visibility of this graphics object in the viewer. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Min : The minimum value of a variable in the colourmap when using a "User Specified" range.
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Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Line Type : Indicates if the line is a cut or sample line. Line Samples : Number of points in the sample line. Draw Lines : Toggles the visibility of lines around each face of this graphics object. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Internal Parameters Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
CONTOUR Description Named Object: Creates a contour plot on a given list of locators. Allowed Parameters Essential Parameters Location List : A comma delimited list of locator names.
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Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Optional Parameters Domain List : The list of domains over which to define this object. Number of Contours : Specifies number of contour lines in a contour plot. Clip Contour : Enables/disables clipping in a contour plot. Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Contour Range : Sets the method used to calculate a contour plot."Global" uses the range of variable values in the problem domain. "Local" uses the range of values on the specified list of objects. "User Specified" uses Min and Max parameter value. "Value List" plots contours on the values specified in Value List parameter. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Value List : Specifies a list of variable values for a contour plot. In order for this list to be used, Contour Range has to be set to "Value List". Visibility : Toggles the visibility of this graphics object in the viewer. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. Line Width : Controls the width (in pixels) of lines drawn for this graphics object. Constant Contour Colour : If set to On, then the "Line Colour" parameter is used to determine the contour colour. Otherwise, the contour is coloured by the contour variable.
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Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Lighting : Toggles the lighting of this graphics object in the viewer. Show Numbers : Toggles contour numbering. Draw Contours : Enables/disables drawing of the contour lines. Fringe Fill : If set to On, the space between contours in a contour plot is filled with fringe bands. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Specular Lighting : Toggles the specular lighting of this object in the viewer. Culling Mode : Controls the face culling of this object in the viewer. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Text Height : The height an item of text should be, proportional to the screen. Font : The font name for an item of text. Text Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the text. Internal Parameters Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
SURFACE GROUP Description Named Object: Creates a group of surface plot on a given list of locators. Allowed Parameters Essential Parameters Location List : A comma delimited list of locator names. Optional Parameters Page 498
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Domain List : The list of domains over which to define this object. Colour Scale : Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Colour Mode : Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Colour Variable : The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Colour Variable Boundary Values : Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Range : Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Min : The minimum value of a variable in the colourmap when using a "User Specified" range. Max : The maximum value of a variable in the colourmap when using a "User Specified" range. Object State : Indicates the colour state of item. Visibility : Toggles the visibility of this graphics object in the viewer. Transparency : Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Draw Faces : Toggles the visibility filled faces for this graphics objectin the viewer. Surface Drawing : Sets the algorithm used to shade the faces for this graphics object. Draw Lines : Toggles the visibility of lines around each face of this graphics object. Line Width : Controls the width (in pixels) of lines drawn for this graphics object.
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Line Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Domain List : The list of domains over which to define this object. Lighting : Toggles the lighting of this graphics object in the viewer. Specular Lighting : Toggles the specular lighting of this object in the viewer. Culling Mode : Controls the face culling of this object in the viewer. Instancing Transform : Defines the TRANSFORM object that is used for the object instancing. Apply Instancing Transform : Toggles the instancing transformation for this graphics object in the viewer. Render Edge Angle : The angle between two faces used to limit visible edges in a wireframe. Internal Parameters Local Variable Ranges : A list of Variable Local Range data in base units. Each element in the list contains: "
HARDCOPY Description Singleton Object: This object contains the settings used to control the creation of hardcopy output from the viewer. It is used by the "print" action. Allowed Parameters Essential Parameters Hardcopy Format : Sets the format of hardcopy output from "print". Optional Parameters Hardcopy Filename : Sets the file name for the output from "print". Hardcopy Tolerance : A non-dimensional tolerance used in facesorting when generating hardcopy output. Higher values will result in faster printing times, but may cause defects in the resulting output.
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Context Sensitive Settings Context Controlling Parameter: Hardcopy Format Allowed Context Settings: ps, eps, jpg, ppm, bmp, png, vrml Hardcopy Format = ps Optional Parameters Paper Size : Scales hardcopy output to the specified paper size. Print Quality : Controls quality vs. speed of hardcopy output. Paper Orientation : Sets the rotation of the image on the printed page. White Background : Toggles if hardcopy output is produced on a white or black background. Print Line Width : The width of lines in hardcopy output. Increasing this value may give better results on high-resolution printers. Hardcopy Format = eps Optional Parameters Paper Size : Scales hardcopy output to the specified paper size. Print Quality : Controls quality vs. speed of hardcopy output. Paper Orientation : Sets the rotation of the image on the printed page. White Background : Toggles if hardcopy output is produced on a white or black background. Print Line Width : The width of lines in hardcopy output. Increasing this value may give better results on high-resolution printers. Hardcopy Format = bmp Optional Parameters Print Quality : Controls quality vs. speed of hardcopy output. White Background : Toggles if hardcopy output is produced on a white or black background. Use Screen Size : When set to On, the current screen size is used as the image size Image Width : The image width (used when Use Screen Size is set to Off) Image Height : The image height (used when Use Screen Size is set to Off) CFX-5.6
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Image Scale : Scales the size of bitmap images to a fraction (in percent) of the current viewer window size. Print Line Width : The width of lines in hardcopy output. Increasing this value may give better results on high-resolution printers. Screen Capture : Enables the screen capture mode for producing image output. Hardcopy Format = jpg Optional Parameters Print Quality : Controls quality vs. speed of hardcopy output. White Background : Toggles if hardcopy output is produced on a white or black background. Use Screen Size : When set to On, the current screen size is used as the image size Image Width : The image width (used when Use Screen Size is set to Off) Image Height : The image height (used when Use Screen Size is set to Off) Image Scale : Scales the size of bitmap images to a fraction (in percent) of the current viewer window size. Print Line Width : The width of lines in hardcopy output. Increasing this value may give better results on high-resolution printers. Screen Capture : Enables the screen capture mode for producing image output. JPEG Image Quality : The quality factor for jpeg image output. Higher values results in clearer, but larger, files. Hardcopy Format = png Optional Parameters Print Quality : Controls quality vs. speed of hardcopy output. White Background : Toggles if hardcopy output is produced on a white or black background. Use Screen Size : When set to On, the current screen size is used as the image size Image Width : The image width (used when Use Screen Size is set to Off) Page 502
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Image Height : The image height (used when Use Screen Size is set to Off) Image Scale : Scales the size of bitmap images to a fraction (in percent) of the current viewer window size. Print Line Width : The width of lines in hardcopy output. Increasing this value may give better results on high-resolution printers. Screen Capture : Enables the screen capture mode for producing image output. Hardcopy Format = ppm Optional Parameters Print Quality : Controls quality vs. speed of hardcopy output. White Background : Toggles if hardcopy output is produced on a white or black background. Use Screen Size : When set to On, the current screen size is used as the image size Image Width : The image width (used when Use Screen Size is set to Off) Image Height : The image height (used when Use Screen Size is set to Off) Image Scale : Scales the size of bitmap images to a fraction (in percent) of the current viewer window size. Print Line Width : The width of lines in hardcopy output. Increasing this value may give better results on high-resolution printers. Screen Capture : Enables the screen capture mode for producing image output.
DATA READER Description Singleton Object: This object contains the settings used to read results files into the post-processor. It is used by the "load" action. Allowed Parameters Essential Parameters CFX-5.6
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Current Results File : The name of the results file to be read into the post-processor. Optional Parameters Current Timestep : The timestep to be used when reading a transient results file. Current Timevalue : The time value to be used when reading a transient results file. Temporary Directory : The path to a temporary working directory which CFX-Post can use for placing temporary files. This directory does not have to exist between runs of CFX-Post, and the contents will be deleted when Post shuts down. Force File Reload : Parameter indicating whether or not to force a reload of the file even if the filename is the same as that currently loaded. Clear All Objects : Parameter indicating whether or not to remove all objects in the system before loading the new res file. Keep Camera Position : Parameter indicating whether or not to reset the camera position after loading the new res file. File Length Units : Length units read from the file. File Mass Units : Mass units read from the file. File Time Units : Time units read from the file. File Temperature Units : Temperature units read from the file. File Angle Units : Angle units read from the file. File Light Units : Light units read from the file. File Money Units : Money units read from the file. File Current Units : Current units read from the file. File Solid Angle Units : Solid Angle units read from the file. File Chemical Amount Units : Chemical Amount units read from the file. Convert to CFX5 Variable Names : If this parameter is enabled, variable names in non-CFX5 files will be converted to CFX5 names during load. Calculate Global Ranges : If this parameter is enabled, variable ranges in non-CFX5 files will be calculated during load. Internal Parameters Page 504
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Current File Type : The type of the results file to be read into the postprocessor. This is an internal parameter. Current Results File Version : The version of the current results file. Particle Track Material List : A list of Particle Track Materials that exist in the RES file. This parameter is empty if no Particle Tracks exist. Expression List : A list of Expressions that were loaded with the res file.These expressions must be deleted when a new RES file is loaded. File Is Turbo : Parameter indicating whether it is a turbo problem Timestep List : A list of all the timesteps that exist for the loaded file. Current Case Name : Internal CFX-Post name for the currently analysed problem.
EXPORT Description Singleton Object: Holds parameters which control the export of data to an external text file. Allowed Parameters Essential Parameters Export File : The filename to which the exported data will be written. Optional Parameters Location List : A comma delimited list of locator names. Variable List : A comma delimited list of variables whose data is to be exported. Include Header : Indicates whether a pre-defined header is appended to the top of the export file, using " Null Token : The string that should be used in the export file if no data exists for a variable at a node. Overwrite : Indicates whether, if the specified filename exists, the file should be overwritten with the new data. Precision : Indicates the number of decimal points of precision to display the exported data to. Vector Display : Indicates the way that vector variables are to be displayed. Choices are: Components | Scalar. CFX-5.6
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Separator : Indicates the string to use between each variable. The string must be delimited by quotation marks. Vector Brackets : Indicates the kind of brackets to use around vector data when displayed as components. Any two character combination is valid, where the first character will be used as the open-bracket, and the second as the close-bracket. If "-" is specified (no quotes), no brackets will be displayed.
SESSION Description Singleton Object: Stores parameters used by the readsession command. Allowed Parameters Essential Parameters Session Filename : The name of the session file to which session data will be saved. Optional Parameters Write Session Mode : This parameter indicates whether the session file should be overwritten or appended to if it exists.
STATE Description Singleton Object: Stores parameters used by the readstate and savestate commands. Allowed Parameters Essential Parameters State Filename : The name of the state file to which state data will be saved. Optional Parameters Read State Mode : This parameter indicates whether the current system state information should be overwritten or appended to. Page 506
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Save State Mode : This parameter indicates whether the state file should be overwritten if it exists. Load Data : This parameter indicates whether to load the results file or not if a DATA READER object exists in the STATE File for a READSTATE action. Save State Objects : A list of objects to save to the state file. If this list is empty, then all user created objects will be saved.
VIEWPORT MANAGER Description Singleton Object: This object stores the parameters that control the global viewport controls. Allowed Parameters Optional Parameters Viewport Layout : Specifies the layout of viewports. Viewport List : Specifies the list of viewports to be used in the layout. X Split : The normalised location of the vertical viewport splitter. Y Split : The normalised location of the horizontal viewport splitter. Background Colour : Defines the R, G and B values for the viewer background colour.
VIEWPORT Description Named Object: This object stores the viewport settings. Allowed Parameters Optional Parameters Camera Mode : Defines the current viewer camera mode. It can be either Standard (specified by Standard View parameter) or User Specified, in which case a CAMERA object has to be defined and specified in User Camera parameter. CFX-5.6
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User Camera : Defines the CAMERA object that is used to set up the camera view in the viewer (Note that Camera Mode has to be set to User Specified for this parameter to have effect). Standard View : Defines one of the standard views in the viewer (Note that Camera Mode has to be set to Standard for this parameter to have effect). Projection : Defines the current projection mode in the viewer. It can be either Perspective or Orthographic. Axis Visibility : Toggles the axis visibility in the viewer. Border Visibility : Toggles the viewport border visibility in the viewer. Light Angle : Defines the viewer light angles in degrees. The first angle goes from left (0) to right (180), and the second goes from up (0) to down (180). Clip Scene : Toggles the scene clipping plane in the viewer. Clip Plane : Defines the CLIP PLANE object that is used for scene clipping. Object Type List : Specifies the list of object types to show in this viewport. If left empty (and Object Name List is empty too), all object types are shown. Draw All Objects : If enabled, all visible objects are drawn in this viewport Object Name List : Specifies the list of objects to show in this viewport. If left empty, all objects are shown. Object Name Exclusion List : Specifies the list of objects NOT to show in this viewport. If left empty (and Object Name List is empty too), all object types are shown. Object Type Exclusion List : Specifies the list of object types NOT to show in this viewport. If left empty (and Object Name List is empty too), all object types are shown. Coord Transform : Specifies the coordinate transformation to apply to all objects shown in this viewport. Maximize Viewport : If set to true, this viewport will be maximised to fill up the screen, regardless of the viewport layout. Highlight Type : Indicates whether to highlight an object with a bounding box or to use a wireframe of the object.
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VIEWER Description Singleton Object: This object stores the viewport settings. Allowed Parameters Optional Parameters Camera Mode : Defines the current viewer camera mode. It can be either Standard (specified by Standard View parameter) or User Specified, in which case a CAMERA object has to be defined and specified in User Camera parameter. User Camera : Defines the CAMERA object that is used to set up the camera view in the viewer (Note that Camera Mode has to be set to User Specified for this parameter to have effect). Standard View : Defines one of the standard views in the viewer (Note that Camera Mode has to be set to Standard for this parameter to have effect). Background Colour : Defines the R, G and B values for the viewer background colour. Projection : Defines the current projection mode in the viewer. It can be either Perspective or Orthographic. Axis Visibility : Toggles the axis visibility in the viewer. Border Visibility : Toggles the viewport border visibility in the viewer. Light Angle : Defines the viewer light angles in degrees. The first angle goes from left (0) to right (180), and the second goes from up (0) to down (180). Clip Scene : Toggles the scene clipping plane in the viewer. Clip Plane : Defines the CLIP PLANE object that is used for scene clipping. Object Type List : Specifies the list of object types to show in this viewport. If left empty (and Object Name List is empty too), all object types are shown. Draw All Objects : If enabled, all visible objects are drawn in this viewport Object Name List : Specifies the list of objects to show in this viewport. If left empty, all objects are shown. CFX-5.6
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Object Name Exclusion List : Specifies the list of objects NOT to show in this viewport. If left empty (and Object Name List is empty too), all object types are shown. Object Type Exclusion List : Specifies the list of object types NOT to show in this viewport. If left empty (and Object Name List is empty too), all object types are shown. Coord Transform : Specifies the coordinate transformation to apply to all objects shown in this viewport. Maximize Viewport : If set to true, this viewport will be maximised to fill up the screen, regardless of the viewport layout. Highlight Type : Indicates whether to highlight an object with a bounding box or to use a wireframe of the object.
VECTOR VARIABLE Description Named Object: A object used to reference the data associated with a vector quantity in the results file. Allowed Parameters Optional Parameters Boundary Values : Sets the type of boundary values to be presented for this variable (Conservative or Hybrid). User Units : Specifies the preferred units to display this variable in if different from the default units setting. To use the default units, this parameter must be empty (blank). Internal Parameters VarMin : The global minimum value from this variable as read from the RES file. VarMax : The global maximum value from this variable as read from the RES file. HybridMin : The global hybrid minimum value from this variable as read from the RES file. HybridMax : The global hybrid maximum value from this variable as read from the RES file.
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Boundary Only : Parameter indicating whether or not the particular variable has only values on the boundary. Variable Dimensions : The dimensions of the variable as read from the results file. Base Units : The base units of a variable. Has Hybrid Values : Internal parameter specifying whether a variable can load Hybrid Values on boundary nodes. User Level : Specifies the user level of the variable. Quantity Type : Specifies the Quantity Type of the variable. Related Object : Specifies the Object that this variable is related to. This is only applicable for Variables that are defined as Local to a specific geometry. Variable Is Turbo : Parameter indicating whether it is a turbo variable
SCALAR VARIABLE Description Named Object: A object used to reference the data associated with a scalar quantity in the results file. Allowed Parameters Optional Parameters Boundary Values : Sets the type of boundary values to be presented for this variable (Conservative or Hybrid). User Units : Specifies the preferred units to display this variable in if different from the default units setting. To use the default units, this parameter must be empty (blank). Internal Parameters VarMin : The global minimum value from this variable as read from the RES file. VarMax : The global maximum value from this variable as read from the RES file. HybridMin : The global hybrid minimum value from this variable as read from the RES file.
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HybridMax : The global hybrid maximum value from this variable as read from the RES file. Boundary Only : Parameter indicating whether or not the particular variable has only values on the boundary. Variable Dimensions : The dimensions of the variable as read from the results file. Base Units : The base units of a variable. Variable : The name of the variable used to create the object. Should be set equal to the name of a currently defined VARIABLE object. Component Index : Specifies vector component to be used for the variable. Recipe : Contains instructions on how to build a value list for the variable. Has Hybrid Values : Internal parameter specifying whether a variable can load Hybrid Values on boundary nodes. User Level : Specifies the user level of the variable. Quantity Type : Specifies the Quantity Type of the variable. Related Object : Specifies the Object that this variable is related to. This is only applicable for Variables that are defined as Local to a specific geometry. Variable Is Turbo : Parameter indicating whether it is a turbo variable Context Sensitive Settings Context Controlling Parameter: Recipe Allowed Context Settings: Standard, Vector Component Recipe = Standard Optional Parameters Boundary Values : Sets the type of boundary values to be presented for this variable (Conservative or Hybrid).
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Recipe = Vector Component
USER SCALAR VARIABLE Description Named Object: A object used to reference user-defined data. Allowed Parameters Optional Parameters Boundary Values : Sets the type of boundary values to be presented for this variable (Conservative or Hybrid). User Units : Specifies the preferred units to display this variable in if different from the default units setting. To use the default units, this parameter must be empty (blank). Recipe : Contains instructions on how to build a value list for the variable. Internal Parameters VarMin : The global minimum value from this variable as read from the RES file. VarMax : The global maximum value from this variable as read from the RES file. HybridMin : The global hybrid minimum value from this variable as read from the RES file. HybridMax : The global hybrid maximum value from this variable as read from the RES file. Variable Dimensions : The dimensions of the variable as read from the results file. Base Units : The base units of a variable. Has Hybrid Values : Internal parameter specifying whether a variable can load Hybrid Values on boundary nodes. Quantity Type : Specifies the Quantity Type of the variable. Variable Is Turbo : Parameter indicating whether it is a turbo variable
CEL Description Singleton Object: Allowed Sub-Objects Optional Sub-Objects EXPRESSIONS : This object holds the definitions of all CEL expressions in the post-processor. EXPRESSIONS : This object holds the definitions of all CEL expressions in the post-processor.
EXPRESSIONS Description Singleton Object: This object holds the definitions of all CEL expressions in the post-processor.
ANIMATION Description Singleton Object: Defines a Keyframe animation sequence. A list of KEYFRAME objects indicate the states between which to interpolate.
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Allowed Parameters Optional Parameters Animation Name : The name of this animation. Animation Filename : The name of the file to save this animation to. Keyframe List : An ordered list of keyframe names to be used for this animation. Looping : Indicates the type of looping to perform for the animation. Looping Cycles : Indicates the number of cycles that the Animation loop should complete before stopping automatically. A value of -1 will repeat the cycles forever. Timestep Interpolation Method : Indicates what timestep information to interpolate if timesteps are to be animated. Frame Increment : The number of frames to increment the frame counter by when incrementing to go to the next frame. Animate Camera : Indicates whether to animate the camera (flythrough)along with the other objects, or leave the camera at the current position. Save Hardcopy : Boolean indicating whether to save the current animation to a file, as it progresses. A filename needs to be specified. Animation Hardcopy Filename : The path of the file to save a hardcopy to. Animation Frame Pattern : The MPEG frame type pattern. This must be a list of B, P and I characters. If any of the characters are not B, P or I, then the default value will be used. I ("intra-frame") encoded frames are complete frames (i.e. contain all the data to completely render themselves). P ("predicted") encoded frames use data from previous frames to render themselves. B ("bi-directional") frames use data from previous and following frames to render themselves. Animation Bit Rate : The number of Bits per Second maximum rate. Variable Bit Rate : Boolean indicating whether to apply the specified Bit Rate. If this parameter is "false", then a specified Bit Rate will not be sent to the encoder which will then use a variable bit rate. Intermediate File Format : The format in which to save intermediate files when generating animation MPEGs. Keep Intermediate Files : Boolean indicating whether or not CFXPost should delete the intermediate files after the MPEG generation is complete. CFX-5.6
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Animation Frame Rate : The Frame Rate at which to generate the Animation MPEG. Use Screen MPEG Size : When set to On, the current screen size is used as the MPEG size MPEG Width : The image width (used when Use Screen MPEG Size is set to Off) MPEG Height : The image height (used when Use Screen MPEG Size is set to Off) MPEG Scale : The amount to scale the viewer image for the Animation MPEG output. White Background : Toggles if hardcopy output is produced on a white or black background. Screen Capture : Enables the screen capture mode for producing image output. Internal Parameters Current Frame : The current frame that is displayed or calculated. This is useful to determine where in the animation you are when stepping through the frames. This is an internal parameter for status display purposes only. Playback Status : This parameter indicates whether the animation is stopped or playing forward or backward. This is an internal parameter for status display purposes only.
KEYFRAME Description Named Object: Defines a specific keyframe for an animation sequence. The actual system state is stored in a file referenced by the "Keyframe Filename" parameter. Allowed Parameters Optional Parameters Keyframe Name : A string containing the name of the keyframe to display to the user. Number Of Frames : The number of frames in the animation to insert between this keyframe and the next. Page 516
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Keyframe Filename : A string containing the name of the state file associated with this keyframe.
GROUP Description Named Object: Allows a group of multiple objects to behave as a single object. Currently only used internally and does not work for graphics, etc. Allowed Parameters Essential Parameters Member List : A list of objects included in the group.
DEFAULT INSTANCE TRANSFORM Description Named Object: Specifies the default instance transformation. Allowed Parameters Optional Parameters Instancing Info From Domain : logical parameter indicating if instancing info should come from each domain for a geometric object. Apply Reflection : Toggles reflection in the transformation. Apply Translation : Toggles translation in the transformation. Apply Rotation : Toggles rotation in the transformation. Reflection Plane : Specifies the REFLECTION PLANE object to use in a transformation. Rotation Axis Type : Specifies the rotation axis type in the transformation. If it is set to "Principal Axis", Principal Axis parameter setting is used. It it is set to "Rotation Axis", parameters Rotation Axis From and Rotation Axis To are used for the axis definition. Principal Axis : Specifies the principal axis used in instance rotation.
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Rotation Axis From : An XYZ triple defining the first point of the rotation axis. Rotation Axis To : An XYZ triple defining the second point of the rotation axis. Full Circle : If set to On, the instances are placed uniformly about the instance rotation axis. Note that the Number of Copies has to be greater than two when this option is used. Angle Definition Method : Specifies angle definition method. If it is set to "Value", parameter Rotation Angle value will be used for angular instancing. If it is set to "Instances in 360", parameter "Number of Components in 360" will be used. Rotation Angle : Specifies the rotation angle. Number of Components in 360 : Number of Components in 360 degrees Translation Vector : Specifies the translation vector. Number of Copies : Specifies the number of transformed copies.
INSTANCE TRANSFORM Description Named Object: Specifies an instance transformation that can consist of a rotation, a translation, a reflection and a number of copies of the original object to produce. Note that applying reflection duplicates the number of copies. Allowed Parameters Optional Parameters Instancing Info From Domain : logical parameter indicating if instancing info should come from each domain for a geometric object. Apply Reflection : Toggles reflection in the transformation. Apply Translation : Toggles translation in the transformation. Apply Rotation : Toggles rotation in the transformation. Reflection Plane : Specifies the REFLECTION PLANE object to use in a transformation.
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Rotation Axis Type : Specifies the rotation axis type in the transformation. If it is set to "Principal Axis", Principal Axis parameter setting is used. It it is set to "Rotation Axis", parameters Rotation Axis From and Rotation Axis To are used for the axis definition. Principal Axis : Specifies the principal axis used in instance rotation. Rotation Axis From : An XYZ triple defining the first point of the rotation axis. Rotation Axis To : An XYZ triple defining the second point of the rotation axis. Full Circle : If set to On, the instances are placed uniformly about the instance rotation axis. Note that the Number of Copies has to be greater than two when this option is used. Angle Definition Method : Specifies angle definition method. If it is set to "Value", parameter Rotation Angle value will be used for angular instancing. If it is set to "Instances in 360", parameter "Number of Components in 360" will be used. Rotation Angle : Specifies the rotation angle. Number of Components in 360 : Number of Components in 360 degrees Translation Vector : Specifies the translation vector. Number of Copies : Specifies the number of transformed copies.
REFLECTION PLANE Description Named Object: This is a sub-object used for the reflection plane definition in TRANSFORM object. Allowed Parameters Essential Parameters Option : A generic parameter used to define the context setting for a variety of objects. Context Sensitive Settings Context Controlling Parameter: Option CFX-5.6
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Allowed Context Settings: XY Plane, YZ Plane, ZX Plane, Point and Normal, Three Points Option = YZ Plane Optional Parameters X : The X coordinate value for the location of this object. Option = ZX Plane Optional Parameters Y : The Y coordinate value for the location of this object. Option = XY Plane Optional Parameters Z : The Z coordinate value for the location of this object. Option = Point and Normal Optional Parameters Point : An XYZ triple which defines a point in space. Normal : An XYZ triple describing the normal vector. Option = Three Points Optional Parameters Point 1 : An XYZ triple defining the first point for this object. Point 2 : An XYZ triple defining the second point for this object. Point 3 : An XYZ triple defining the third point for this object.
CAMERA Description Named Object: Defines a camera that can be used to specify the current view in the VIEWER object. Allowed Parameters Essential Parameters Page 520
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Option : A generic parameter used to define the context setting for a variety of objects. Context Sensitive Settings Context Controlling Parameter: Option Allowed Context Settings: Pivot Point and Quaternion, Pivot Point and Rotation Option = Pivot Point and Quaternion Optional Parameters Pivot Point : Defines the center of rotation (pivot point) for the camera. Rotation Quaternion : Defines the camera rotation quaternion. Scale : Defines the relative scale of the camera view. With the default scale (1.0), the scene completely fills the viewer window. Pan : Defines the camera pan in screen (X, Y) coordinates, with positive X pointing right and positive Y pointing up. Option = Pivot Point and Rotation Optional Parameters Pivot Point : Defines the center of rotation (pivot point) for the camera. Rotation : Defines the camera rotation in terms of angles about X, Y and Z axis, respectively. X axis is pointing right, Y is pointing up and Z towards the user. Scale : Defines the relative scale of the camera view. With the default scale (1.0), the scene completely fills the viewer window. Pan : Defines the camera pan in screen (X, Y) coordinates, with positive X pointing right and positive Y pointing up.
LEGEND Description Named Object: Creates a labelled colour bar to show to legend associated with the named plot.
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Allowed Parameters Essential Parameters Legend Plot : Name of the locator for which to provide information. Optional Parameters Legend X Justification : Specifies the horizontal justification of a text or overlay item. Legend Y Justification : Specifies the vertical justification of a text or overlay item. Legend Position : XY position of the legend. Legend Size : Scale factor to apply to legend. Legend Ticks : Number of points to provide variable values next to the Legend bar. Legend Resolution : Number of colour subdivisions on the legend bar. Legend Shading : Controls interpolated shading of colour on the legend bar. Font : The font name for an item of text. Legend Aspect : Legend bar width control parameter Visibility : Toggles the visibility of this graphics object in the viewer. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Legend Format : Parameter to modify string format of values on legend. Text Height : The height an item of text should be, proportional to the screen. Text Rotation : Counter-clockwise rotation, in degrees, to be applied to a text item. Legend Title Mode : Controls the legend title type. Legend Title : Specifies the legend title when Legend Title Mode is set to User Specified. Show Legend Units : Toggles display of units in the legend. Legend Orientation : Specifies whether to display the legend Vertically or Horizontally. Page 522
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DEFAULT LEGEND Description Singleton Object: Creates a labelled colour bar to show to legend associated with the named plot. Allowed Parameters Optional Parameters Legend X Justification : Specifies the horizontal justification of a text or overlay item. Legend Y Justification : Specifies the vertical justification of a text or overlay item. Legend Position : XY position of the legend. Legend Size : Scale factor to apply to legend. Legend Ticks : Number of points to provide variable values next to the Legend bar. Legend Resolution : Number of colour subdivisions on the legend bar. Legend Shading : Controls interpolated shading of colour on the legend bar. Font : The font name for an item of text. Legend Aspect : Legend bar width control parameter Visibility : Toggles the visibility of this graphics object in the viewer. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Legend Format : Parameter to modify string format of values on legend. Text Height : The height an item of text should be, proportional to the screen. Text Rotation : Counter-clockwise rotation, in degrees, to be applied to a text item. Legend Title Mode : Controls the legend title type. Legend Title : Specifies the legend title when Legend Title Mode is set to User Specified. CFX-5.6
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Show Legend Units : Toggles display of units in the legend. Legend Orientation : Specifies whether to display the legend Vertically or Horizontally. Internal Parameters Legend Plot : Name of the locator for which to provide information. Legend Object List : Specifies a list of objects to use for the Default (auto) Legend, and the order in which to use them.
TEXT Description Named Object: A single piece of text. This text item can be attached to a point on screen (specified in two dimensions), or attached to a point in three dimensions, following that point through any viewer transformations. Font, size, colour, rotation and justification options are provided. Allowed Parameters Essential Parameters Text String : The contents of an item of text. Position Mode : Defines whether a text item is attached to twodimensional screen coordinate, or a three-dimensional spatial coordinate. Optional Parameters Text Position : The location an item of text should be placed. Text Height : The height an item of text should be, proportional to the screen. Text Rotation : Counter-clockwise rotation, in degrees, to be applied to a text item. Colour : A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Overlay Size : A factor by which to scale the size of a two-dimensional overlay. Font : The font name for an item of text. Page 524
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Visibility : Toggles the visibility of this graphics object in the viewer. Context Sensitive Settings Context Controlling Parameter: Position Mode Allowed Context Settings: Two Coords, Three Coords Position Mode = Two Coords Optional Parameters X Justification : Specifies the horizontal justification of a text or overlay item. Y Justification : Specifies the vertical justification of a text or overlay item.
COORD FRAME Description Named Object: Defines a coordinate frame which can be used for setting direction and axis specifications. Allowed Parameters Optional Parameters Reference Coord Frame : The Coordinate Frame in which the physical locations used to set this coordinate frame are described. Coord Frame Type : The orthonormal space used to define the coordinate frame. Origin X Coord : The X location of the coordinate frame origin. Origin Y Coord : The Y location of the coordinate frame origin. Origin Z Coord : The Z location of the coordinate frame origin. Axis 3 Point X Coord : The X location of the point in the Z axis of the coordinate frame. Axis 3 Point Y Coord : The Y location of the point in the Z axis of the coordinate frame. Axis 3 Point Z Coord : The Z location of the point in the Z axis of the coordinate frame. CFX-5.6
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Plane 13 Point X Coord : The X location of the a point in the XZ plane of the coordinate frame. Plane 13 Point Y Coord : The Y location of the a point in the XZ plane of the coordinate frame. Plane 13 Point Z Coord : The Z location of the a point in the XZ plane of the coordinate frame. Visibility : Toggles the visibility of this graphics object in the viewer.
CHART Description Named Object: This object is used to create a chart and specify general chart parameters, including the CHART LINE objects that define the chart lines. Allowed Parameters Essential Parameters Chart Type : Specifies the kind of chart to create. Optional Parameters Chart Title : Specifies the title for the chart. Chart Font : The name of the font to use for this chart. Chart Text Colour : The colour of the chart title and X & Y Axis Labels. Chart Viewport Colour : The colour of the chart viewport including axes, tick marks, and axis numbering. Context Sensitive Settings Context Controlling Parameter: Chart Type Allowed Context Settings: XY Chart Type = XY Optional Parameters Chart Line List : A comma delimited list of names of CHART LINE objects that the user wishes to have displayed on the chart. Chart Legend : Specifies whether a legend should be displayed or not. Page 526
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Chart Legend Margin : Indicates a proportion of the screen space that should be used to display the Legend. The default value of 0.2 indicates that 20% of the chart, at the right side of the window, should be allocated to the Legend. Chart Axes : Indicates whether the X=0 or Y=0 lines should be displayed on the chart. Neither, either or both may be displayed. Chart X Axis Label : The label to use for the X-Axis. Chart Y Axis Label : The label to use for the Y-Axis. Range Selection : Indicates whether the Min/Max X and Y values shown on the chart will be automatically or manually selected. Max X : If the Range Selection parameter is set to "Manual", this parameter will indicate the maximum X value to display. Min X : If the Range Selection parameter is set to "Manual", this parameter will indicate the minimum X value to display. Max Y : If the Range Selection parameter is set to "Manual", this parameter will indicate the maximum Y value to display. Min Y : If the Range Selection parameter is set to "Manual", this parameter will indicate the minimum Y value to display.
CHART LINE Description Named Object: This object defines the variable, line style, symbol style, and colours to use for a chart line. Allowed Parameters Optional Parameters Line Name : The name of this chart line. This string will be used as the label in the Legend if one is displayed. Location : A locator name. Chart X Variable : Specifies the name of the X-Axis variable to chart. The default value of "Chart Count" indicates that the X-Axis will be a locator point counter. Chart Y Variable : Specifies the name of the Y-Axis variable to chart.
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Display Chart Line : Indicates whether or not to display a line connecting the data points. Chart Line Style : Specifies the line style to use if the Chart Line Toggle is True. Chart Line Colour : Specifies the colour of the line. The Default value of "Auto" will cause the Engine to automatically pick a colour different from any colour already used. Display Chart Symbol : Indicates whether or not to display a symbol at each data point on the chart. Chart Symbol Style : Specifies the symbol style to use if the Chart Symbol Toggle is True. Chart Symbol Colour : Specifies the colour of the symbol. The Default value of "Auto" will cause the Engine to automatically pick a colour different from any colour already used.
CALCULATOR Description Singleton Object: This singleton is used by the calculate action to define the function and arguments to be evaluated, and store the Result. Allowed Parameters Essential Parameters Function : The context controlling parameter for the CALCULATOR object, which defines the name of the function to be evaluated. Location : A locator name. Optional Parameters Verbose : Controls if the result of a calculation is written to the screen. Internal Parameters Result : The internal parameter for the CALCULATOR and EXPRESSION EVALUATOR object used to store the results of a function evaluation. Result Units : The internal parameter for the CALCULATOR and EXPRESSION EVALUATOR object used to store the units of the results of a function evaluation. Page 528
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Context Sensitive Settings Context Controlling Parameter: Function Allowed Context Settings: area, areaAve, areaInt, ave, count, force, forceNorm, length, lengthAve, lengthInt, massFlow, massFlowAve, massFlowInt, maxVal, minVal, probe, sum, torque, volume, volumeAve, volumeInt Function = massFlow Optional Parameters Fluid : The fluid specification for multiphase quantitative calculations. Function = massFlowAve Essential Parameters Expression : A CFX Expression Language expression. Optional Parameters Fluid : The fluid specification for multiphase quantitative calculations. Function = area Optional Parameters Axis : The axis specification for directional quantitative calculations. Function = areaAve Essential Parameters Expression : A CFX Expression Language expression. Function = areaInt Essential Parameters Expression : A CFX Expression Language expression. Optional Parameters Axis : The axis specification for directional quantitative calculations. Function = ave Essential Parameters Expression : A CFX Expression Language expression.
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Function = sum Essential Parameters Expression : A CFX Expression Language expression. Function = minVal Essential Parameters Expression : A CFX Expression Language expression. Function = maxVal Essential Parameters Expression : A CFX Expression Language expression. Function = probe Essential Parameters Expression : A CFX Expression Language expression. Function = force Essential Parameters Axis : The axis specification for directional quantitative calculations. Optional Parameters Fluid : The fluid specification for multiphase quantitative calculations. Function = forceNorm Optional Parameters Fluid : The fluid specification for multiphase quantitative calculations. Function = torque Essential Parameters Axis : The axis specification for directional quantitative calculations. Optional Parameters Fluid : The fluid specification for multiphase quantitative calculations. Function = lengthInt Essential Parameters Expression : A CFX Expression Language expression. Page 530
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Function = lengthAve Essential Parameters Expression : A CFX Expression Language expression.
MESH CALCULATOR Description Singleton Object: This singleton is used by the mesh calculate action to define the function to be evaluated, and store the max and min Results. Allowed Parameters Essential Parameters Mesh Function : The context controlling parameter for the MESH CALCULATOR object, which defines the name of the function to be evaluated. Internal Parameters Max Result : The internal parameter for the MESH CALCULATOR object used to store the max result of evaluation. Min Result : The internal parameter for the MESH CALCULATOR object used to store the min result of evaluation. Result Units : The internal parameter for the CALCULATOR and EXPRESSION EVALUATOR object used to store the units of the results of a function evaluation. Number of Nodes : The internal parameter for the MESH CALCULATOR object used to store the number of nodes. Number of Elements : The internal parameter for the MESH CALCULATOR object used to store the number of elements. Number of Tetrahedra : The internal parameter for the MESH CALCULATOR object used to store the number of tetrahedra. Number of Wedges : The internal parameter for the MESH CALCULATOR object used to store the number of wedges. Number of Pyramids : The internal parameter for the MESH CALCULATOR object used to store the number of pyramids. Number of Hexahedra : The internal parameter for the MESH CALCULATOR object used to store the number of hexahedra. CFX-5.6
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EXPRESSION EVALUATOR Description Singleton Object: This singleton evaluates the specified Expression and stores the Result. Allowed Parameters Essential Parameters Evaluated Expression : A CFX Expression Language expression for usage in EXPRESSION EVALUATOR. Internal Parameters Result : The internal parameter for the CALCULATOR and EXPRESSION EVALUATOR object used to store the results of a function evaluation. Result Units : The internal parameter for the CALCULATOR and EXPRESSION EVALUATOR object used to store the units of the results of a function evaluation.
EXPRESSION PREVIEW Description Singleton Object: This singleton is used to generate data for expression preview graphs. Allowed Parameters Essential Parameters Preview Expression : Optional Parameters Preview Mode : Preview Variable Values : Preview Variable Ranges : Preview Range Steps : Internal Parameters Page 532
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Preview Required Variables : Preview Varying Variable : Preview Evaluated Units : Preview Input Units :
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CCL Parameters Absolute Tolerance Description: Length to use as a maximum step tolerance Parameter Type: Real
Activate Filter Description: A Logical field indicating whether to use the filter to select which tracks to display. Parameter Type: Logical Default Value: Off
Angle Definition Method Description: Specifies angle definition method. If it is set to "Value", parameter Rotation Angle value will be used for angular instancing. If it is set to "Instances in 360", parameter "Number of Components in 360" will be used. Parameter Type: String Allowed Values: Value, Instances in 360 Default Value: Instances in 360
Angular Velocity Description: the rotational speed of a turbo component Parameter Type: Real Default Value: 0.0
Animate Camera Description: Indicates whether to animate the camera (flythrough)along with the other objects, or leave the camera at the current position. Parameter Type: Logical Default Value: On Page 534
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Animation Bit Rate Description: The number of Bits per Second maximum rate. Parameter Type: Integer Default Value: 5152000
Animation Filename Description: The name of the file to save this animation to. Parameter Type: String
Animation Frame Pattern Description: The MPEG frame type pattern. This must be a list of B, P and I characters. If any of the characters are not B, P or I, then the default value will be used. I ("intra-frame") encoded frames are complete frames (i.e. contain all the data to completely render themselves). P ("predicted") encoded frames use data from previous frames to render themselves. B ("bi-directional") frames use data from previous and following frames to render themselves. Parameter Type: String Default Value: IPPPPBBBBPBBBPIPPPPBBBBPIPPPBB
Animation Frame Rate Description: The Frame Rate at which to generate the Animation MPEG. Parameter Type: String Allowed Values: 23.976, 24, 25, 29.97, 30, 50, 59.94, 60 Default Value: 24
Animation Hardcopy Filename Description: The path of the file to save a hardcopy to. Parameter Type: String Default Value: cfxMovie.mpg
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Animation Name Description: The name of this animation. Parameter Type: String
Any All Condition Description: The way the Filtering conditions should be combined. "Any" means that all tracks that meet any of the conditions will be displayed. "All" means that only the tracks that meet all of the conditions will be displayed. Parameter Type: String Allowed Values: Match ANY, Match ALL Default Value: Match ALL
Apply Instancing Transform Description: Toggles the instancing transformation for this graphics object in the viewer. Parameter Type: Logical Default Value: On
Apply Reflection Description: Toggles reflection in the transformation. Parameter Type: Logical Default Value: false
Apply Rotation Description: Toggles rotation in the transformation. Parameter Type: Logical Default Value: true
Apply Scale Description: Toggles scale in the transformation. Page 536
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Parameter Type: Logical Default Value: true
Apply Translation Description: Toggles translation in the transformation. Parameter Type: Logical Default Value: false
Axis Description: The axis specification for directional quantitative calculations. Parameter Type: String
Axis 3 Point X Coord Description: The X location of the point in the Z axis of the coordinate frame. Parameter Type: Real Default Value: 0
Axis 3 Point Y Coord Description: The Y location of the point in the Z axis of the coordinate frame. Parameter Type: Real Default Value: 0
Axis 3 Point Z Coord Description: The Z location of the point in the Z axis of the coordinate frame. Parameter Type: Real Default Value: 1
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Axis From File Description: Logical parameter indicating if axis of rotation is defined in the res file. Parameter Type: Logical Default Value: true
Axis Visibility Description: Toggles the axis visibility in the viewer. Parameter Type: Logical Default Value: true
Background Colour Description: Defines the R, G and B values for the viewer background colour. Parameter Type: Real List Default Value: 0, 0, 0
Background Mesh Density Description: background mesh density for turbo component Parameter Type: Integer Default Value: 2000
Background Mesh Generation Method Description: The method that TurboTransform module will use to generate the background mesh Parameter Type: String Allowed Values: Linear, Quasi Orthogonal Default Value: Quasi Orthogonal
Base Units Description: The base units of a variable. Page 538
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Parameter Type: String
Blade Region Description: A comma delimited list of locator names. Parameter Type: String List
Border Visibility Description: Toggles the viewport border visibility in the viewer. Parameter Type: Logical Default Value: false
Bound Radius Description: Radius of Circular Plane Bound. Parameter Type: Real Default Value: 0.5
Boundary List Description: A list of boundary objects Parameter Type: String List
Boundary Only Description: Parameter indicating whether or not the particular variable has only values on the boundary. Parameter Type: Logical Default Value: false
Boundary Type Description: Internal parameter tells the type of the boundary. Parameter Type: String
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Boundary Values Description: Sets the type of boundary values to be presented for this variable (Conservative or Hybrid). Parameter Type: String Allowed Values: Conservative, Hybrid Default Value: Conservative
Calculate Global Ranges Description: If this parameter is enabled, variable ranges in non-CFX5 files will be calculated during load. Parameter Type: Logical Default Value: true
Camera Mode Description: Defines the current viewer camera mode. It can be either Standard (specified by Standard View parameter) or User Specified, in which case a CAMERA object has to be defined and specified in User Camera parameter. Parameter Type: String Allowed Values: Standard, User Specified Default Value: Standard
Chart Axes Description: Indicates whether the X=0 or Y=0 lines should be displayed on the chart. Neither, either or both may be displayed. Parameter Type: String Allowed Values: None, X Only, Y Only, Both Default Value: Both
Chart Font Description: The name of the font to use for this chart. Parameter Type: String Page 540
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Default Value: Roman
Chart Legend Description: Specifies whether a legend should be displayed or not. Parameter Type: Logical Default Value: False
Chart Legend Margin Description: Indicates a proportion of the screen space that should be used to display the Legend. The default value of 0.2 indicates that 20% of the chart, at the right side of the window, should be allocated to the Legend. Parameter Type: Real Default Value: 0.2
Chart Line Colour Description: Specifies the colour of the line. The Default value of "Auto" will cause the Engine to automatically pick a colour different from any colour already used. Parameter Type: String Allowed Values: Auto, Black, Red, Yellow, Green, Aquamarine, Pink, Wheat, Grey, Brown, Blue, Blueviolet, Cyan, Turquoise, Magenta, Salmon, White Default Value: Auto
Chart Line List Description: A comma delimited list of names of CHART LINE objects that the user wishes to have displayed on the chart. Parameter Type: String
Chart Line Style Description: Specifies the line style to use if the Chart Line Toggle is True. CFX-5.6
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Parameter Type: String Default Value: 1
Chart Symbol Colour Description: Specifies the colour of the symbol. The Default value of "Auto" will cause the Engine to automatically pick a colour different from any colour already used. Parameter Type: String Allowed Values: Auto, Black, Red, Yellow, Green, Aquamarine, Pink, Wheat, Grey, Brown, Blue, Blueviolet, Cyan, Turquoise, Magenta, Salmon, White Default Value: Auto
Chart Symbol Style Description: Specifies the symbol style to use if the Chart Symbol Toggle is True. Parameter Type: String Default Value: 1
Chart Text Colour Description: The colour of the chart title and X & Y Axis Labels. Parameter Type: String Allowed Values: Black, Red, Yellow, Green, Aquamarine, Pink, Wheat, Grey, Brown, Blue, Blueviolet, Cyan, Turquoise, Magenta, Salmon, White Default Value: White
Chart Title Description: Specifies the title for the chart. Parameter Type: String Default Value: Title
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Chart Type Description: Specifies the kind of chart to create. Parameter Type: String Allowed Values: XY Default Value: XY
Chart Viewport Colour Description: The colour of the chart viewport including axes, tick marks, and axis numbering. Parameter Type: String Allowed Values: Black, Red, Yellow, Green, Aquamarine, Pink, Wheat, Grey, Brown, Blue, Blueviolet, Cyan, Turquoise, Magenta, Salmon, White Default Value: Yellow
Chart X Axis Label Description: The label to use for the X-Axis. Parameter Type: String Default Value: X Axis
Chart X Variable Description: Specifies the name of the X-Axis variable to chart. The default value of "Chart Count" indicates that the X-Axis will be a locator point counter. Parameter Type: String Default Value: Chart Count
Chart Y Axis Label Description: The label to use for the Y-Axis. Parameter Type: String Default Value: Y Axis
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Chart Y Variable Description: Specifies the name of the Y-Axis variable to chart. Parameter Type: String
Circumferential Average Mode Description: method used to calculate circumferential average for colouring variable on a turbo object Parameter Type: String Allowed Values: None, Length, Area, Mass Default Value: None
Clear All Objects Description: Parameter indicating whether or not to remove all objects in the system before loading the new res file. Parameter Type: Logical Default Value: false
Clip Cone Description: Enables/disables clipping in a cone surface Parameter Type: Logical Default Value: On
Clip Contour Description: Enables/disables clipping in a contour plot. Parameter Type: Logical Default Value: Off
Clip Plane Description: Defines the CLIP PLANE object that is used for scene clipping. Parameter Type: String Page 544
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Clip Scene Description: Toggles the scene clipping plane in the viewer. Parameter Type: Logical Default Value: false
Colour Description: A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the faces of an object by constant colour. Parameter Type: Real List Default Value: 1.0, 1.0, 1.0
Colour Mode Description: Sets the mode used to colour the object. If set equal to "Constant" then the "Colour" parameter is used to determine the plot colour. If set equal to "Variable", then the "Colour Variable" parameter is used. Parameter Type: String Allowed Values: Use Plot Variable, Constant, Variable, Time, Unique Default Value: Constant
Colour Scale Description: Sets whether to colour the object with a Linear or Logarithmic scale. By default, the colour scale is Linear. Parameter Type: String Allowed Values: Linear, Logarithmic Default Value: Linear
Colour Variable Description: The name of the variable to be used in colouring the object. Should be set equal to the name of a currently defined VARIABLE object. Parameter Type: String CFX-5.6
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Colour Variable Boundary Values Description: Sets the type of boundary values to be presented for colour variables in this object (Conservative or Hybrid). Parameter Type: String Allowed Values: Conservative, Hybrid Default Value: Hybrid
Component Bounds Flag Parameter Type: String
Component Clip Factors Parameter Type: Real List
Component Index Description: Specifies vector component to be used for the variable. Parameter Type: String Allowed Values: 1, 2, 3 Default Value: 1
Component Long Names Parameter Type: String List
Component Lower Bounds Parameter Type: Real List
Component MMS Names Parameter Type: String List
Component Short Names Parameter Type: String List Page 546
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Component Upper Bounds Parameter Type: Real List
Constant Contour Colour Description: If set to On, then the "Line Colour" parameter is used to determine the contour colour. Otherwise, the contour is coloured by the contour variable. Parameter Type: Logical Default Value: Off
Contour Level Description: The contour level specified in a user surface. Parameter Type: Integer Default Value: 1
Contour Name Description: The name of the contour object specified in a user surface. Parameter Type: String
Contour Range Description: Sets the method used to calculate a contour plot."Global" uses the range of variable values in the problem domain. "Local" uses the range of values on the specified list of objects. "User Specified" uses Min and Max parameter value. "Value List" plots contours on the values specified in Value List parameter. Parameter Type: String Allowed Values: Global, Local, User Specified, Value List Default Value: Global
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Convert to CFX5 Variable Names Description: If this parameter is enabled, variable names in non-CFX5 files will be converted to CFX5 names during load. Parameter Type: Logical Default Value: false
Coord Frame Type Description: The orthonormal space used to define the coordinate frame. Parameter Type: String Allowed Values: Cartesian Default Value: Cartesian
Coord Transform Description: Specifies the coordinate transformation to apply to all objects shown in this viewport. Parameter Type: String Allowed Values: Cartesian, Meridional, Blade-to-blade, 2D Meridional, 2D Blade-to-blade Default Value: Cartesian
Cross Periodics Description: If true allows a streamline to cross a periodic boundary Parameter Type: Logical Default Value: Yes
Culling Mode Description: Controls the face culling of this object in the viewer. Parameter Type: String Allowed Values: No Culling, Back Faces, Front Faces Default Value: No Culling Page 548
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Current Case Name Description: Internal CFX-Post name for the currently analysed problem. Parameter Type: String
Current File Type Description: The type of the results file to be read into the postprocessor. This is an internal parameter. Parameter Type: String Allowed Values: CFX5, CFX4, TASCflow
Current Frame Description: The current frame that is displayed or calculated. This is useful to determine where in the animation you are when stepping through the frames. This is an internal parameter for status display purposes only. Parameter Type: Integer
Current Results File Description: The name of the results file to be read into the postprocessor. Parameter Type: String
Current Results File Version Description: The version of the current results file. Parameter Type: Integer
Current Rotation Axis From Description: An XYZ triple defining the first point of the rotation axis used currently in this domain. Parameter Type: String List Default Value: 0.0, 0.0, 0.0 CFX-5.6
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Current Rotation Axis To Description: An XYZ triple defining the second point of the rotation axis used currently in this domain. Parameter Type: String List Default Value: 0.0, 0.0, 1.0
Current Timestep Description: The timestep to be used when reading a transient results file. Parameter Type: Integer Default Value: -1
Current Timevalue Description: The time value to be used when reading a transient results file. Parameter Type: Real Default Value: 1
Custom Units Setting Description: This is a comma delimited list of Quantities and their selected units for the Custom Units Setting. The list will contain both Quantities and the units: e.g. Acceleration, m s^-2, Angle, radian, ... Parameter Type: String List
Diameter Max Description: The maximum diameter of all tracks read from the file. Parameter Type: Real Page 550
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Diameter Min Description: The minimum diameter of all tracks read from the file. Parameter Type: Real
Direction Description: The direction specification for vector coord frame projection. Parameter Type: String
Direction 1 Bound Description: Length of Rectangular Plane Bound. Parameter Type: Real Default Value: 1.0
Direction 1 Orientation Description: Orientation of Rectangular Plane Bound length. Parameter Type: Real Default Value: 0 [degree]
Direction 1 Points Description: Number of Sample points in direction 1. Parameter Type: Integer Default Value: 10
Direction 2 Bound Description: Width of Rectangular Plane Bound. Parameter Type: Real Default Value: 1.0
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Direction 2 Points Description: Number of Sample points in direction 2. Parameter Type: Integer Default Value: 10
Display Chart Line Description: Indicates whether or not to display a line connecting the data points. Parameter Type: Logical Default Value: True
Display Chart Symbol Description: Indicates whether or not to display a symbol at each data point on the chart. Parameter Type: Logical Default Value: False
Do Turbo Initialization Description: flag indicating whether turbo initialisation will be performed on the domain. Parameter Type: Logical Default Value: true
Domain List Description: The list of domains over which to define this object. Parameter Type: String List Default Value: All Domains
Domain Type Description: The type of the domain. Parameter Type: String Page 552
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Allowed Values: Normal, Turbo Component Default Value: Normal
DownStream Domain Description: downstream domain for the domain. Parameter Type: String
Draw All Objects Description: If enabled, all visible objects are drawn in this viewport Parameter Type: Logical Default Value: true
Draw Contours Description: Enables/disables drawing of the contour lines. Parameter Type: Logical Default Value: On
Draw Faces Description: Toggles the visibility filled faces for this graphics objectin the viewer. Parameter Type: Logical Default Value: On
Draw Lines Description: Toggles the visibility of lines around each face of this graphics object. Parameter Type: Logical Default Value: Off
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Draw Streams Description: If false do not draw streams, but allow drawing of symbols Parameter Type: Logical Default Value: Yes
Draw Symbols Description: Draw symbols on the streams at specified times Parameter Type: Logical Default Value: No
Draw Tracks Description: If false do not draw tracks, but allow drawing of symbols Parameter Type: Logical Default Value: Yes
Edge Angle Description: The angle between two faces used to limit visible edges in a wireframe. Parameter Type: Real Default Value: 30 [degree]
Element Type List Description: The element type(s) to include in the volume (Tet, Pyramid, Wedge, Hex). If left blank, all types are included. Parameter Type: String List
End Boundary List Description: A string list containing the list of valid ending boundaries for this track. Parameter Type: String List Page 554
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Ending Boundary Description: A list of Boundary names to filter particle tracks that end on the specified boundaries. Parameter Type: String List
Evaluated Expression Description: A CFX Expression Language expression for usage in EXPRESSION EVALUATOR. Parameter Type: String
Export File Description: The filename to which the exported data will be written. Parameter Type: String Default Value: export.dat
Expression Description: A CFX Expression Language expression. Parameter Type: String
Expression List Description: A list of Expressions that were loaded with the res file.These expressions must be deleted when a new RES file is loaded. Parameter Type: String List
File Angle Units Description: Angle units read from the file. Parameter Type: String Default Value: rad
File Chemical Amount Units Description: Chemical Amount units read from the file. CFX-5.6
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Parameter Type: String Default Value: mol
File Current Units Description: Current units read from the file. Parameter Type: String Default Value: A
File Is Turbo Description: Parameter indicating whether it is a turbo problem Parameter Type: Logical Default Value: false
File Length Units Description: Length units read from the file. Parameter Type: String Default Value: m
File Light Units Description: Light units read from the file. Parameter Type: String Default Value: cd
File Mass Units Description: Mass units read from the file. Parameter Type: String Default Value: kg
File Money Units Description: Money units read from the file. Parameter Type: String Page 556
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Default Value: GBP
File Solid Angle Units Description: Solid Angle units read from the file. Parameter Type: String Default Value: sr
File Temperature Units Description: Temperature units read from the file. Parameter Type: String Default Value: K
File Time Units Description: Time units read from the file. Parameter Type: String Default Value: s
Filter On Diameter Description: A Logical field indicating whether to use Particle Diameter when filtering. Parameter Type: Logical Default Value: Off
Filter On End Description: A Logical field indicating whether to use the Ending Boundary when filtering. Parameter Type: Logical Default Value: Off
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Filter On Start Description: A Logical field indicating whether to use the Starting Boundary when filtering. Parameter Type: Logical Default Value: Off
Filter On Track Selection Description: A Logical field indicating whether to use the Track Selection when filtering. Parameter Type: Logical Default Value: Off
Flip Normal Description: If this parameter is set to true, the normal of the clip plane will be flipped, effectively inverting the clipping region. Parameter Type: Logical Default Value: false
Fluid Description: The fluid specification for multiphase quantitative calculations. Parameter Type: String
Font Description: The font name for an item of text. Parameter Type: String Allowed Values: Serif, Sans Serif Default Value: Sans Serif
Force File Reload Description: Parameter indicating whether or not to force a reload of the file even if the filename is the same as that currently loaded. Page 558
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Parameter Type: Logical Default Value: false
Frame Increment Description: The number of frames to increment the frame counter by when incrementing to go to the next frame. Parameter Type: Integer Default Value: 1
Fringe Fill Description: If set to On, the space between contours in a contour plot is filled with fringe bands. Parameter Type: Logical Default Value: On
Full Circle Description: If set to On, the instances are placed uniformly about the instance rotation axis. Note that the Number of Copies has to be greater than two when this option is used. Parameter Type: Logical Default Value: Off
Function Description: The context controlling parameter for the CALCULATOR object, which defines the name of the function to be evaluated. Parameter Type: String
General Availability Parameter Type: String List Default Value: No
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Grid Tolerance Description: Fraction of local grid size to use as a maximum step tolerance Parameter Type: Real Default Value: 0.01
Hardcopy Filename Description: Sets the file name for the output from "print". Parameter Type: String Default Value: cfxOutput
Hardcopy Format Description: Sets the format of hardcopy output from "print". Parameter Type: String Allowed Values: ps, eps, jpg, ppm, bmp, png, vrml Default Value: png
Hardcopy Tolerance Description: A non-dimensional tolerance used in face-sorting when generating hardcopy output. Higher values will result in faster printing times, but may cause defects in the resulting output. Parameter Type: String Default Value: 0.0001
Has Axis of Rotation Description: Boolean indicating whether axis of rotation is defined in the result file or not Parameter Type: Logical Default Value: false
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Has Hybrid Values Description: Internal parameter specifying whether a variable can load Hybrid Values on boundary nodes. Parameter Type: Logical Default Value: Yes
Highlight Type Description: Indicates whether to highlight an object with a bounding box or to use a wireframe of the object. Parameter Type: String Allowed Values: Bounding Box, Wireframe Default Value: Bounding Box
Hub Curve Mode Description: The type of line used to define Hub curve. The Hub line is needed for calculation of the Background Mesh. By default it is calculated from the corresponding Hub Region(s), but optionally it can be defined via a line or a polyline. Parameter Type: String Allowed Values: From Turbo Region, From Line Default Value: From Turbo Region
Hub Line Object Description: Specifies the line object(s) to be used for the definition of the Hub curve. This parameter is used when Hub Curve Mode is set to From Line. Parameter Type: String List
Hub Region Description: A comma delimited list of locator names. Parameter Type: String List
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HybridMax Description: The global hybrid maximum value from this variable as read from the RES file. Parameter Type: Real
HybridMin Description: The global hybrid minimum value from this variable as read from the RES file. Parameter Type: Real
Image Height Description: The image height (used when Use Screen Size is set to Off) Parameter Type: Integer Default Value: 600
Image Scale Description: Scales the size of bitmap images to a fraction (in percent) of the current viewer window size. Parameter Type: Integer Default Value: 100
Image Width Description: The image width (used when Use Screen Size is set to Off) Parameter Type: Integer Default Value: 600
Include Header Description: Indicates whether a pre-defined header is appended to the top of the export file, using " Parameter Type: Logical Page 562
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Default Value: True
Inclusive Description: If this parameter set to true, then the volume for above or below intersection includes intersections . Parameter Type: Logical Default Value: false
Inlet Curve Mode Description: The type of line used to define Inlet curve. The Inlet line is needed for calculation of the Background Mesh. By default it is calculated from the corresponding Inlet Region(s), but optionally it can be defined via a line or a polyline. Parameter Type: String Allowed Values: From Turbo Region, From Line Default Value: From Turbo Region
Inlet Line Object Description: Specifies the line object(s) to be used for the definition of the Inlet curve. This parameter is used when Inlet Curve Mode is set to From Line. Parameter Type: String List
Inlet Region Description: A comma delimited list of locator names. Parameter Type: String List
Input File Description: The name of the file to be read that contains the definition of one or more polylines and associated path variables. Parameter Type: String Default Value: data.txt CFX-5.6
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Instancing Info From Domain Description: logical parameter indicating if instancing info should come from each domain for a geometric object. Parameter Type: Logical Default Value: false
Instancing Transform Description: Defines the TRANSFORM object that is used for the object instancing. Parameter Type: String Default Value: Default Transform
Interface Type Description: Matches the solver CCL parameter, saying what kind of GGI interface this is Parameter Type: String Allowed Values: Fluid Fluid, Fluid Solid, Solid Solid, Periodic
Intermediate File Format Description: The format in which to save intermediate files when generating animation MPEGs. Parameter Type: String Allowed Values: jpg, ppm Default Value: jpg
Invert Line Bound Description: Reverses the line bounds by selecting line outside line bound. Parameter Type: Logical Default Value: Off
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Invert Plane Bound Description: Reverses the plane bounds by selecting region outside plane bound. Parameter Type: Logical Default Value: Off
Invert Surface Bound Description: Reverses the surface bounds by selecting region outside surface bound. Parameter Type: Logical Default Value: Off
Is Rotating Description: flag indicating if the domain is rotating. Parameter Type: Logical Default Value: false
Isovolume Intersection Mode Description: A parameter used to define the context setting for isovolume object. Parameter Type: String Allowed Values: At Value, Below Value, Above Value, Between Values Default Value: At Value
JPEG Image Quality Description: The quality factor for jpeg image output. Higher values results in clearer, but larger, files. Parameter Type: Integer Default Value: 80
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Keep Camera Position Description: Parameter indicating whether or not to reset the camera position after loading the new res file. Parameter Type: Logical Default Value: true
Keep Intermediate Files Description: Boolean indicating whether or not CFX-Post should delete the intermediate files after the MPEG generation is complete. Parameter Type: Logical Default Value: Off
Keyframe Filename Description: A string containing the name of the state file associated with this keyframe. Parameter Type: String
Keyframe List Description: An ordered list of keyframe names to be used for this animation. Parameter Type: String List
Keyframe Name Description: A string containing the name of the keyframe to display to the user. Parameter Type: String
Legend Aspect Description: Legend bar width control parameter Parameter Type: Real Default Value: 0.06 Page 566
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Legend Format Description: Parameter to modify string format of values on legend. Parameter Type: String Default Value: %10.3e
Legend Object List Description: Specifies a list of objects to use for the Default (auto) Legend, and the order in which to use them. Parameter Type: String List
Legend Orientation Description: Specifies whether to display the legend Vertically or Horizontally. Parameter Type: String Allowed Values: Vertical, Horizontal Default Value: Vertical
Legend Plot Description: Name of the locator for which to provide information. Parameter Type: String
Legend Position Description: XY position of the legend. Parameter Type: Real List Default Value: 0.02, 0.15
Legend Resolution Description: Number of colour subdivisions on the legend bar. Parameter Type: Integer Default Value: 256
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Legend Shading Description: Controls interpolated shading of colour on the legend bar. Parameter Type: String Allowed Values: Smooth, Flat Default Value: Smooth
Legend Size Description: Scale factor to apply to legend. Parameter Type: Real Default Value: 0.75
Legend Ticks Description: Number of points to provide variable values next to the Legend bar. Parameter Type: Integer Default Value: 5
Legend Title Description: Specifies the legend title when Legend Title Mode is set to User Specified. Parameter Type: String Default Value: Legend
Legend Title Mode Description: Controls the legend title type. Parameter Type: String Allowed Values: No Title, Variable, Variable and Location, User Specified Default Value: Variable and Location
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Legend X Justification Description: Specifies the horizontal justification of a text or overlay item. Parameter Type: String Allowed Values: None, Center, Left, Right Default Value: Right
Legend Y Justification Description: Specifies the vertical justification of a text or overlay item. Parameter Type: String Allowed Values: None, Center, Top, Bottom Default Value: Center
Light Angle Description: Defines the viewer light angles in degrees. The first angle goes from left (0) to right (180), and the second goes from up (0) to down (180). Parameter Type: Real List Default Value: 110, 110
Lighting Description: Toggles the lighting of this graphics object in the viewer. Parameter Type: Logical Default Value: true
Line Bound Description: Defines line bounding (End Points, None). Parameter Type: String Allowed Values: None, End Points Default Value: None
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Line Colour Description: A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used for colouring the lines on a graphics object. Parameter Type: String List Default Value: 1.0, 1.0, 1.0
Line Name Description: The name of this chart line. This string will be used as the label in the Legend if one is displayed. Parameter Type: String Default Value: New Line
Line Samples Description: Number of points in the sample line. Parameter Type: Integer Default Value: 10
Line Type Description: Indicates if the line is a cut or sample line. Parameter Type: String Allowed Values: Cut, Sample Default Value: Sample
Line Width Description: Controls the width (in pixels) of lines drawn for this graphics object. Parameter Type: Integer Default Value: 1
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Load Data Description: This parameter indicates whether to load the results file or not if a DATA READER object exists in the STATE File for a READSTATE action. Parameter Type: Logical Default Value: True
Local Variable Ranges Description: A list of Variable Local Range data in base units. Each element in the list contains: "
Location Description: A locator name. Parameter Type: String
Location List Description: A comma delimited list of locator names. Parameter Type: String List
Long Name Parameter Type: String
Looping Description: Indicates the type of looping to perform for the animation. Parameter Type: String Allowed Values: Bounce, Loop Default Value: Loop
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Looping Cycles Description: Indicates the number of cycles that the Animation loop should complete before stopping automatically. A value of -1 will repeat the cycles forever. Parameter Type: Integer Default Value: 1
MMS Name Parameter Type: String
MPEG Height Description: The image height (used when Use Screen MPEG Size is set to Off) Parameter Type: Integer Default Value: 240
MPEG Scale Description: The amount to scale the viewer image for the Animation MPEG output. Parameter Type: Integer Default Value: 100
MPEG Width Description: The image width (used when Use Screen MPEG Size is set to Off) Parameter Type: Integer Default Value: 320
Material Description: Specifies the type of material that this particle track is made out of. This parameter differentiates it from other particle tracks stored in the same RES file. Page 572
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Parameter Type: String
Max Description: The maximum value of a variable in the colourmap when using a "User Specified" range. Parameter Type: Real
Max Result Description: The internal parameter for the MESH CALCULATOR object used to store the max result of evaluation. Parameter Type: String
Max X Description: If the Range Selection parameter is set to "Manual", this parameter will indicate the maximum X value to display. Parameter Type: Real Default Value: 1.0
Max Y Description: If the Range Selection parameter is set to "Manual", this parameter will indicate the maximum Y value to display. Parameter Type: Real Default Value: 1.0
Maximize Viewport Description: If set to true, this viewport will be maximised to fill up the screen, regardless of the viewport layout. Parameter Type: Logical Default Value: Off
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Maximum Number of Sampling Points Description: Specifies the maximum number of sampling points for circumferential averaging. Parameter Type: Integer Default Value: 18
Maximum Number of Tracks Description: Specifies the maximum number of tracks that should be displayed. This parameter is mutually exclusive with the Reduction Factor Parameter. Parameter Type: Integer Default Value: 10
Member List Description: A list of objects included in the group. Parameter Type: String List
Mesh Function Description: The context controlling parameter for the MESH CALCULATOR object, which defines the name of the function to be evaluated. Parameter Type: String Allowed Values: Maximum Face Angle, Minimum Face Angle, Edge Length Ratio, Connectivity Number, Element Volume Ratio, Mesh Statistics Default Value: Maximum Face Angle
Min Description: The minimum value of a variable in the colourmap when using a "User Specified" range. Parameter Type: Real
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Min Result Description: The internal parameter for the MESH CALCULATOR object used to store the min result of evaluation. Parameter Type: String
Min X Description: If the Range Selection parameter is set to "Manual", this parameter will indicate the minimum X value to display. Parameter Type: Real Default Value: -1.0
Min Y Description: If the Range Selection parameter is set to "Manual", this parameter will indicate the minimum Y value to display. Parameter Type: Real Default Value: -1.0
Node Number Description: the node number which the point plot will be drawn Parameter Type: Integer Default Value: 0
Normal Description: An XYZ triple describing the normal vector. Parameter Type: String List Default Value: 1.0,0.0,0.0
Normalized Description: If set On, all vectors are plotted with the same length (show direction only). Parameter Type: Logical CFX-5.6
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Default Value: Off
Null Token Description: The string that should be used in the export file if no data exists for a variable at a node. Parameter Type: String Default Value:
Number Of Frames Description: The number of frames in the animation to insert between this keyframe and the next. Parameter Type: Integer Default Value: 10
Number of Components in 360 Description: Number of Components in 360 degrees Parameter Type: Real Default Value: 12
Number of Contours Description: Specifies number of contour lines in a contour plot. Parameter Type: Integer Default Value: 10
Number of Copies Description: Specifies the number of transformed copies. Parameter Type: Integer Default Value: 1
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Number of Displayed Tracks Description: The number of tracks filtered to be displayed in the viewer. Parameter Type: Integer
Number of Elements Description: The internal parameter for the MESH CALCULATOR object used to store the number of elements. Parameter Type: String
Number of Hexahedra Description: The internal parameter for the MESH CALCULATOR object used to store the number of hexahedra. Parameter Type: String
Number of Nodes Description: The internal parameter for the MESH CALCULATOR object used to store the number of nodes. Parameter Type: String
Number of Pyramids Description: The internal parameter for the MESH CALCULATOR object used to store the number of pyramids. Parameter Type: String
Number of Samples Description: The number of random samples to be taken in the plot. Parameter Type: Integer Default Value: 10
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Number of Sides Description: The number of sides of a "round" tube Parameter Type: Integer Default Value: 8
Number of Tetrahedra Description: The internal parameter for the MESH CALCULATOR object used to store the number of tetrahedra. Parameter Type: String
Number of Tracks Description: The total number of tracks that are available for viewing. Parameter Type: Integer
Number of Wedges Description: The internal parameter for the MESH CALCULATOR object used to store the number of wedges. Parameter Type: String
Object Name Exclusion List Description: Specifies the list of objects NOT to show in this viewport. If left empty (and Object Name List is empty too), all object types are shown. Parameter Type: String
Object Name List Description: Specifies the list of objects to show in this viewport. If left empty, all objects are shown. Parameter Type: String
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Object State Description: Indicates the colour state of item. Parameter Type: String Allowed Values: unavailable,incomplete,complete,invalid Default Value: incomplete
Object Type Exclusion List Description: Specifies the list of object types NOT to show in this viewport. If left empty (and Object Name List is empty too), all object types are shown. Parameter Type: String
Object Type List Description: Specifies the list of object types to show in this viewport. If left empty (and Object Name List is empty too), all object types are shown. Parameter Type: String
Offset Direction Description: Specifies the offset direction vector (used in Offset From Surface mode). Parameter Type: Real List Default Value: 1.0, 0.0, 0.0
Offset Distance Description: The offset distance (used in Offset From Surface mode). Parameter Type: Real Default Value: 0.0
Offset Mode Description: Specifies the offset mode (used in Offset From Surface mode). CFX-5.6
Offset Type Description: Specifies the offset type (used in Offset From Surface mode). Parameter Type: String Allowed Values: Normal, Translational Default Value: Normal
Offset Variable Description: Specifies the variable to be used for the offset (used in Offset From Surface mode). Parameter Type: String
Opposite Boundary List Description: The boundaries that form the other side of a periodic link Parameter Type: String List
Option Description: A generic parameter used to define the context setting for a variety of objects. Parameter Type: String
Origin X Coord Description: The X location of the coordinate frame origin. Parameter Type: Real Default Value: 0
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Origin Y Coord Description: The Y location of the coordinate frame origin. Parameter Type: Real Default Value: 0
Origin Z Coord Description: The Z location of the coordinate frame origin. Parameter Type: Real Default Value: 0
Outlet Curve Mode Description: The type of line used to define Outlet curve. The Outlet line is needed for calculation of the Background Mesh. By default it is calculated from the corresponding Outlet Region(s), but optionally it can be defined via a line or a polyline. Parameter Type: String Allowed Values: From Turbo Region, From Line Default Value: From Turbo Region
Outlet Line Object Description: Specifies the line object(s) to be used for the definition of the Outlet curve. This parameter is used when Outlet Curve Mode is set to From Line. Parameter Type: String List
Outlet Region Description: A comma delimited list of locator names. Parameter Type: String List
Output to Jobfile Parameter Type: Logical Default Value: No CFX-5.6
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Output to Postprocessor Parameter Type: Logical Default Value: No
Overlay Size Description: A factor by which to scale the size of a two-dimensional overlay. Parameter Type: Real Default Value: 1
Overwrite Description: Indicates whether, if the specified filename exists, the file should be overwritten with the new data. Parameter Type: Logical Default Value: False
Pan Description: Defines the camera pan in screen (X, Y) coordinates, with positive X pointing right and positive Y pointing up. Parameter Type: Real List Default Value: 0.0, 0.0
Paper Orientation Description: Sets the rotation of the image on the printed page. Parameter Type: String Allowed Values: Landscape, Portrait Default Value: Landscape
Paper Size Description: Scales hardcopy output to the specified paper size. Parameter Type: String Page 582
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Allowed Values: Letter, A4 Default Value: Letter
Particle Diameter Description: The Particle Diameter to use in filtering tracks. Parameter Type: Real
Particle Diameter Condition Description: The condition to test for when filtering with Particle Diameter. Parameter Type: String Allowed Values: Default Value:
Particle Track Material List Description: A list of Particle Track Materials that exist in the RES file. This parameter is empty if no Particle Tracks exist. Parameter Type: String List
Periodic 1 Region Description: A comma delimited list of locator names. Parameter Type: String List
Periodic 2 Region Description: A comma delimited list of locator names. Parameter Type: String List
Periodicity Type Description: Says whether the boundary is periodic in rotation or translation Parameter Type: String CFX-5.6
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Allowed Values: Rotation,Translation
Physical Availability Parameter Type: String List Default Value: No
Pivot Point Description: Defines the center of rotation (pivot point) for the camera. Parameter Type: String List Default Value: 0.0, 0.0, 0.0
Plane 13 Point X Coord Description: The X location of the a point in the XZ plane of the coordinate frame. Parameter Type: Real Default Value: 1
Plane 13 Point Y Coord Description: The Y location of the a point in the XZ plane of the coordinate frame. Parameter Type: Real Default Value: 0
Plane 13 Point Z Coord Description: The Z location of the a point in the XZ plane of the coordinate frame. Parameter Type: Real Default Value: 0
Plane Type Description: Indicates if the plane is a slice or sample plane. Parameter Type: String Allowed Values: Slice, Sample Default Value: Slice
Playback Status Description: This parameter indicates whether the animation is stopped or playing forward or backward. This is an internal parameter for status display purposes only. Parameter Type: String Allowed Values: Stopped, Forward, Backward, Paused Default Value: Stopped
Point Description: An XYZ triple which defines a point in space. Parameter Type: Real List Default Value: 0.0, 0.0, 0.0
Point 1 Description: An XYZ triple defining the first point for this object. Parameter Type: String List Default Value: 0.0, 0.0, 0.0
Point 2 Description: An XYZ triple defining the second point for this object. Parameter Type: String List CFX-5.6
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Default Value: 1.0, 0.0, 0.0
Point 3 Description: An XYZ triple defining the third point for this object. Parameter Type: String List Default Value: 0.0, 1.0, 0.0
Point Coord System Description: Specifies the coordinate system in which the points are specified. Parameter Type: String Allowed Values: Cartesian, Cylindrical Default Value: Cartesian
Point Symbol Description: Name of point symbol (non-directional) to be used for plot. Parameter Type: String Allowed Values: Crosshair, Octahedron, Cube, Ball Default Value: Crosshair
Position Mode Description: Defines whether a text item is attached to twodimensional screen coordinate, or a three-dimensional spatial coordinate. Parameter Type: String Allowed Values: Two Coords, Three Coords Default Value: Two Coords
Precision Description: Indicates the number of decimal points of precision to display the exported data to. Page 586
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Parameter Type: Integer Default Value: 8
Preferred Units System Description: This specifies the Units System to use. Parameter Type: String Default Value: SI
Preview Required Variables Parameter Type: String List
Preview Variable Ranges Parameter Type: String List
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Preview Variable Values Parameter Type: String List
Preview Varying Variable Parameter Type: String
Principal Axis Description: Specifies the principal axis used in instance rotation. Parameter Type: String Allowed Values: X, Y, Z Default Value: Z
Print Line Width Description: The width of lines in hardcopy output. Increasing this value may give better results on high-resolution printers. Parameter Type: Integer Default Value: 1
Print Quality Description: Controls quality vs. speed of hardcopy output. Parameter Type: String Allowed Values: Draft, Medium, High Default Value: High
Projection Description: Defines the current projection mode in the viewer. It can be either Perspective or Orthographic. Parameter Type: String Allowed Values: Perspective, Orthographic Default Value: Perspective
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Projection Type Description: The vector projection type to be used in creating this plot. Parameter Type: String Allowed Values: None, Coord Frame, Normal, Tangential, Streamwise, Span, Axial, Radial, Circumferential Default Value: None
Quantity Parameter Type: String
Quantity Type Description: Specifies the Quantity Type of the variable. Parameter Type: String
Radius Description: Radius distance for sphere volume. Parameter Type: Real Default Value: 1.0
Random Seed Description: The seed to be used in the sampling of points on the plot. Parameter Type: Integer Default Value: 1
Range Description: Sets the method used to calculate the extents of the colour map on an object. "Global" uses the range of values in the problem domain. "Local" uses the range of values on the current object. Parameter Type: String Allowed Values: Global, Local, User Specified CFX-5.6
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Default Value: Global
Range Selection Description: Indicates whether the Min/Max X and Y values shown on the chart will be automatically or manually selected. Parameter Type: String Allowed Values: Automatic, Manual Default Value: Automatic
Read State Mode Description: This parameter indicates whether the current system state information should be overwritten or appended to. Parameter Type: String Allowed Values: Overwrite, Append Default Value: Overwrite
Recipe Description: Contains instructions on how to build a value list for the variable. Parameter Type: String Allowed Values: Standard, Vector Component, Expression Default Value: Standard
Reduction Factor Description: Reduces the number of nodes of a locator to use Parameter Type: Real Default Value: 1.0
Reduction or Max Tracks Description: This indicates whether to use "Reduction Factor" to reduce the number of tracks, or to use "Maximum Number of Tracks" Parameter Type: String Page 590
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Allowed Values: Max Tracks, Reduction Default Value: Max Tracks
Reference Coord Frame Description: The Coordinate Frame in which the physical locations used to set this coordinate frame are described. Parameter Type: String Default Value: Coord 0
Reference Pressure Description: reference pressure for a domain Parameter Type: Real Default Value: 0.0
Reflection Plane Description: Specifies the REFLECTION PLANE object to use in a transformation. Parameter Type: String
Related Object Description: Specifies the Object that this variable is related to. This is only applicable for Variables that are defined as Local to a specific geometry. Parameter Type: String
Render Edge Angle Description: The angle between two faces used to limit visible edges in a wireframe. Parameter Type: Real Default Value: 0 [degree]
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Result Description: The internal parameter for the CALCULATOR and EXPRESSION EVALUATOR object used to store the results of a function evaluation. Parameter Type: String
Result Units Description: The internal parameter for the CALCULATOR and EXPRESSION EVALUATOR object used to store the units of the results of a function evaluation. Parameter Type: String
Rotation Description: Defines the camera rotation in terms of angles about X, Y and Z axis, respectively. X axis is pointing right, Y is pointing up and Z towards the user. Parameter Type: Real List Default Value: -90, 0, 0
Rotation Angle Description: Specifies the rotation angle. Parameter Type: Real Default Value: 0 [degree]
Rotation Axis From Description: An XYZ triple defining the first point of the rotation axis. Parameter Type: String List Default Value: 0.0, 0.0, 0.0
Rotation Axis To Description: An XYZ triple defining the second point of the rotation axis. Page 592
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Parameter Type: String List Default Value: 1.0, 0.0, 0.0
Rotation Axis Type Description: Specifies the rotation axis type in the transformation. If it is set to "Principal Axis", Principal Axis parameter setting is used. It it is set to "Rotation Axis", parameters Rotation Axis From and Rotation Axis To are used for the axis definition. Parameter Type: String Allowed Values: Principal Axis, Rotation Axis Default Value: Principal Axis
Rotation Quaternion Description: Defines the camera rotation quaternion. Parameter Type: Real List Default Value: -0.707107, 0, 0, 0.707107
Save Hardcopy Description: Boolean indicating whether to save the current animation to a file, as it progresses. A filename needs to be specified. Parameter Type: Logical Default Value: Off
Save State Mode Description: This parameter indicates whether the state file should be overwritten if it exists. Parameter Type: String Allowed Values: None, Overwrite Default Value: None
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Save State Objects Description: A list of objects to save to the state file. If this list is empty, then all user created objects will be saved. Parameter Type: String List
Scale Description: Defines the relative scale of the camera view. With the default scale (1.0), the scene completely fills the viewer window. Parameter Type: Real Default Value: 1.0
Scale Factor Description: The object scale factor used in the transformation Parameter Type: Real Default Value: 1.0
Screen Capture Description: Enables the screen capture mode for producing image output. Parameter Type: Logical Default Value: Off
Separator Description: Indicates the string to use between each variable. The string must be delimited by quotation marks. Parameter Type: String Default Value: " "
Session Filename Description: The name of the session file to which session data will be saved. Parameter Type: String Page 594
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Default Value: session.cse
Show Legend Units Description: Toggles display of units in the legend. Parameter Type: Logical Default Value: On
Show Numbers Description: Toggles contour numbering. Parameter Type: Logical Default Value: Off
Show Track Labels Description: Indicates whether or not to show the track number labels. Parameter Type: Logical Default Value: No
Shroud Curve Mode Description: The type of line used to define Shroud curve. The Shroud line is needed for calculation of the Background Mesh. By default it is calculated from the corresponding Shroud Region(s), but optionally it can be defined via a line or a polyline. Parameter Type: String Allowed Values: From Turbo Region, From Line Default Value: From Turbo Region
Shroud Line Object Description: Specifies the line object(s) to be used for the definition of the Shroud curve. This parameter is used when Shroud Curve Mode is set to From Line. Parameter Type: String List
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Shroud Region Description: A comma delimited list of locator names. Parameter Type: String List
Slice Plane Description: Specifies the name of the PLANE object to use for the clip plane definition. Parameter Type: String
Solver Name Description: The name of this object inside the RES file. Parameter Type: String
Span Description: The normalised Span turbo coordinate value for the location of this object. Parameter Type: Real Default Value: 0.5
Span Max Description: Upper bound of Span coordinate for a turbo surface. Parameter Type: Real Default Value: 1.0
Span Min Description: Lower bound of Span coordinate for a turbo surface. Parameter Type: Real Default Value: 0.0
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Span Points Description: Number of Sample points in S direction (turbo coordinate). Parameter Type: Integer Default Value: 10
Specular Lighting Description: Toggles the specular lighting of this object in the viewer. Parameter Type: Logical Default Value: Off
Standard View Description: Defines one of the standard views in the viewer (Note that Camera Mode has to be set to Standard for this parameter to have effect). Parameter Type: String Allowed Values: +X, +Y, +Z, -X, -Y, -Z, Isometric, Isometric X, Isometric Y, Isometric Z Default Value: +Y
Start Boundary List Description: A string list containing the list of valid starting boundaries for this track. Parameter Type: String List
Starting Boundary Description: A list of Boundary names to filter particle tracks that start on the specified boundaries. Parameter Type: String List
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State Filename Description: The name of the state file to which state data will be saved. Parameter Type: String Default Value: state.cst
Status Parameter Type: String Allowed Values: P,D,DR,M
Stream Drawing Mode Description: The streamline drawing mode. Parameter Type: String Allowed Values: Line, Tube, Ribbon Default Value: Line
Stream Initial Direction Description: Defines the initial plane of a stream ribbon Parameter Type: Direction Default Value: 0.0, 1.0, 0.0
Stream Size Description: The initial width of stream ribbons or tubes Parameter Type: Real Default Value: 1.0
Stream Symbol Description: Name of streamline symbol to be used for plot. Parameter Type: String Allowed Values: Crosshair, Octahedron, Cube, Ball, Arrow2D, Arrow3D, Line Arrow, Arrowhead, Fish3D Page 598
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Default Value: Ball
Streamline Direction Description: The direction in which streams are to be calculated Parameter Type: String Allowed Values: Forward, Backward, Forward and Backward Default Value: Forward
Streamline Maximum Periods Description: Limits the number of times a streamline may cross a periodic boundary Parameter Type: Integer Default Value: 20
Streamline Maximum Segments Description: Stops streamline calculation when number of segments exceeds this Parameter Type: Integer Default Value: 10000
Streamline Maximum Time Description: Stops streamline calculation when particle age exceeds this Parameter Type: Real
Streamline Solver Type Description: The solver to use to calculate the streamlines Parameter Type: String Allowed Values: Euler, RungeKutta2, RungeKutta4 Default Value: RungeKutta2
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Streamline Width Description: The width of the streamline. Parameter Type: Integer Default Value: 1
Streamwise Location Description: The normalised M" turbo coordinate value for the location of this object. Parameter Type: Real Default Value: 0.5
Streamwise Max Description: Upper bound of M" coordinate for a turbo surface. Parameter Type: Real Default Value: 1.0
Streamwise Min Description: Lower bound of M" coordinate for a turbo surface. Parameter Type: Real Default Value: 0.0
Streamwise Points Description: Number of Sample points in M direction (turbo coordinate). Parameter Type: Integer Default Value: 10
Surface Drawing Description: Sets the algorithm used to shade the faces for this graphics object. Parameter Type: String Allowed Values: None, Flat Shading, Smooth Shading Default Value: Smooth Shading
Surface Name Description: The name of the surface object to offset from. Parameter Type: String
Surface Sampling Description: If set On, results are displayed at a subset of points in the plot. Parameter Type: Logical Default Value: Off
Surface Type Description: Indicates if the surface is a slice or sample surface. Parameter Type: String Allowed Values: Slice, Sample Default Value: Slice
Symbol Description: Name of symbol to be used for the vector plot. Parameter Type: String Allowed Values: Arrow2D, Arrow3D, Ball, Crosshair, Line Arrow, Arrowhead, Fish3D, Octahedron, Cube Default Value: Line Arrow CFX-5.6
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Symbol Size Description: A scaling factor for all symbols in the plot. Parameter Type: Real Default Value: 1.0
Symbol Start Time Description: The particle age at which to draw the first symbol Parameter Type: Real Default Value: 10.0 [s]
Symbol Stop Time Description: Draw no symbols with particle age lower than this Parameter Type: Real Default Value: 0.0 [s]
Symbol Time Interval Description: Draw symbols at regular times separated by this value Parameter Type: Real Default Value: 1.0 [s]
Symbol Type Description: The category a symbol falls under. Parameter Type: String Allowed Values: Arrow2D, Arrow3D, Crosshair, Octahedron, Line Arrow, Arrowhead Default Value: Line Arrow
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CFX-5 Reference Guide CFX-Post CCL Details
Temporary Directory Description: The path to a temporary working directory which CFXPost can use for placing temporary files. This directory does not have to exist between runs of CFX-Post, and the contents will be deleted when Post shuts down. Parameter Type: String
Text Colour Description: A list of three numbers between 0 and 1, which represent the RGB (Red/Green/Blue) values to be used when colouring the text. Parameter Type: Real List Default Value: 1.0, 1.0, 1.0
Text Height Description: The height an item of text should be, proportional to the screen. Parameter Type: Real Default Value: 0.018
Text Position Description: The location an item of text should be placed. Parameter Type: Real List Default Value: 0, 0.96, 0
Text Rotation Description: Counter-clockwise rotation, in degrees, to be applied to a text item. CFX-5.6
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Parameter Type: Real Default Value: 0
Text String Description: The contents of an item of text. Parameter Type: String Default Value: Text
Theta Description: The Theta coordinate value for the location of this object. Parameter Type: Real Default Value: 0.0 [degree]
Theta Max Description: Upper bound of Theta coordinate for a turbo surface. Parameter Type: Real Default Value: 180.0 [degree]
Theta Min Description: Lower bound of Theta coordinate for a turbo surface. Parameter Type: Real Default Value: -180.0 [degree]
Theta Points Description: Number of Sample points in T direction (turbo coordinate). Parameter Type: Integer Default Value: 10
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CCL Parameters
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CFX-5 Reference Guide CFX-Post CCL Details
Timestep Interpolation Method Description: Indicates what timestep information to interpolate if timesteps are to be animated. Parameter Type: String Allowed Values: Timestep, TimeValue, Sequential Default Value: Timestep
Timestep List Description: A list of all the timesteps that exist for the loaded file. Parameter Type: String List
Tolerance Mode Description: whether Grid Tolerance or Absolute Tolerance are used Parameter Type: String Allowed Values: Grid Relative, Absolute Default Value: Grid Relative
Track Drawing Mode Description: The streamline drawing mode. Parameter Type: String Allowed Values: Line, Tube, Ribbon Default Value: Line
Track File Type Description: The type of file to read the particle tracks from. This is only available if the Particle Track Option is "From File". Currently only supports CFX4 files. Parameter Type: String Allowed Values: CFX4 Default Value: CFX4
CFX-5.6
CCL Parameters
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Track Filename Description: The path and filename of the Particle Track File to load. Parameter Type: String
Track Index Range Description: The range of valid track indices. The indices may extend beyond the number of tracks, specifically when track reduction was selected for the solver. Parameter Type: String
Track Initial Direction Description: Defines the initial plane of a stream ribbon Parameter Type: Direction Default Value: 0.0, 1.0, 0.0
Track Line Width Description: The width of the streamline. Parameter Type: Integer Default Value: 1
Track Material Description: Specifies the material of the track for this object. Parameter Type: String List
Track Selection Description: A string list containing a subset of track numbers to select the tracks to display. Parameter Type: String List
Track Size Description: The initial width of stream ribbons or tubes Page 606
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CFX-5 Reference Guide CFX-Post CCL Details
Parameter Type: Real Default Value: 1.0
Track Symbol Description: Name of streamline symbol to be used for plot. Parameter Type: String Allowed Values: Crosshair, Octahedron, Cube, Ball, Arrow2D, Arrow3D, Line Arrow, Arrowhead, Fish3D Default Value: Ball
Tracks Displayed Description: A list of the track numbers that are displayed in the viewer. Parameter Type: String List
Translation Vector Description: Specifies the translation vector. Parameter Type: Real List Default Value: 0.0, 0.0, 0.0
Transparency Description: Set between 0.0 (fully opaque) and 1.0 (fully transparent) to control the transparency of this graphics object in the viewer. Parameter Type: Real Default Value: 0.0
Turbo Domain List Description: The list of domains over which to define this object. Parameter Type: String List Default Value: All Domains
CFX-5.6
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Turbo Line Mode Description: The method of generation of "Hub to Shroud" Turbo Line Parameter Type: String Allowed Values: Linear, Quasi Orthogonal Default Value: Quasi Orthogonal
Turbo Principal Axis Description: Specifies the principal axis used in turbo setup Parameter Type: String Allowed Values: X, Y, Z Default Value: Z
Turbo Rotation Axis From Description: An XYZ triple defining the first point of the rotation axis. Parameter Type: String List Default Value: 0.0, 0.0, 0.0
Turbo Rotation Axis To Description: An XYZ triple defining the second point of the rotation axis. Parameter Type: String List Default Value: 0.0, 0.0, 1.0
Turbo Rotation Axis Type Description: Specifies the rotation axis type in the transformation. If it is set to "Principal Axis", Principal Axis parameter setting is used. It it is set to "Rotation Axis", parameters Rotation Axis From and Rotation Axis To are used for the axis definition. Parameter Type: String Allowed Values: Principal Axis, Rotation Axis Default Value: Principal Axis Page 608
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CFX-5 Reference Guide CFX-Post CCL Details
Under Relaxation Factor Parameter Type: Real
UpStream Domain Description: upstream domain for the domain. Parameter Type: String
Update Units to Preferred Description: This logical indicates whether all displayed units should always be updated to display the preferred units. If this is "false", quantities will be converted to preferred types. Parameter Type: Logical Default Value: false
Use Screen MPEG Size Description: When set to On, the current screen size is used as the MPEG size Parameter Type: Logical Default Value: Off
Use Screen Size Description: When set to On, the current screen size is used as the image size Parameter Type: Logical Default Value: On
User Camera Description: Defines the CAMERA object that is used to set up the camera view in the viewer (Note that Camera Mode has to be set to User Specified for this parameter to have effect). Parameter Type: String
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User Level Description: Specifies the user level of the variable. Parameter Type: Integer Allowed Values: 1, 2, 3 Default Value: 1
User Units Description: Specifies the preferred units to display this variable in if different from the default units setting. To use the default units, this parameter must be empty (blank). Parameter Type: String
Value Description: The value of the variable at which the isosurface is to be plotted. Parameter Type: Real Default Value: 0.0
Value 1 Description: The value of the variable at which the isovolume is to be plotted. Parameter Type: Real Default Value: 0.0
Value 2 Description: The value of the variable at which the isovolume is to be plotted it is used when the isovolume mode is between values. Parameter Type: Real Default Value: 0.0
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Value List Description: Specifies a list of variable values for a contour plot. In order for this list to be used, Contour Range has to be set to "Value List". Parameter Type: Real List Default Value: 0.0, 1.0
VarMax Description: The global maximum value from this variable as read from the RES file. Parameter Type: Real
VarMin Description: The global minimum value from this variable as read from the RES file. Parameter Type: Real
Variable Description: The name of the variable used to create the object. Should be set equal to the name of a currently defined VARIABLE object. Parameter Type: String
Variable Bit Rate Description: Boolean indicating whether to apply the specified Bit Rate. If this parameter is "false", then a specified Bit Rate will not be sent to the encoder which will then use a variable bit rate. Parameter Type: Logical Default Value: On
Variable Boundary Values Description: Sets the type of boundary values to be presented for variables in this object (Conservative or Hybrid). CFX-5.6
Variable Class Description: Solver variable class Parameter Type: String
Variable Description Parameter Type: String Default Value: Long Name
Variable Dimensions Description: The dimensions of the variable as read from the results file. Parameter Type: Real List
Variable Is Turbo Description: Parameter indicating whether it is a turbo variable Parameter Type: Logical Default Value: false
Variable List Description: A comma delimited list of variables whose data is to be exported. Parameter Type: String List Default Value: X, Y, Z
Variable Type Parameter Type: String Allowed Values: Unspecified, Volumetric, Specific Page 612
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Default Value: Unspecified
Vector Brackets Description: Indicates the kind of brackets to use around vector data when displayed as components. Any two character combination is valid, where the first character will be used as the open-bracket, and the second as the close-bracket. If "-" is specified (no quotes), no brackets will be displayed. Parameter Type: String Default Value: ()
Vector Display Description: Indicates the way that vector variables are to be displayed. Choices are: Components | Scalar. Parameter Type: String Allowed Values: Components, Scalar Default Value: Components
Vector Variable Description: The vector variable to be used in creating this plot. Parameter Type: String Default Value: Velocity
Verbose Description: Controls if the result of a calculation is written to the screen. Parameter Type: Logical Default Value: Off
Viewport Layout Description: Specifies the layout of viewports. Parameter Type: String CFX-5.6
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Allowed Values: Horizontal, Vertical, Horizontal Left Split, Vertical Top Split Default Value: Horizontal
Viewport List Description: Specifies the list of viewports to be used in the layout. Parameter Type: String
Visibility Description: Toggles the visibility of this graphics object in the viewer. Parameter Type: Logical Default Value: true
Volume Intersection Mode Description: A parameter used to define the context setting for volume object. Parameter Type: String Allowed Values: Intersection, Below Intersection, Above Intersection Default Value: Intersection
White Background Description: Toggles if hardcopy output is produced on a white or black background. Parameter Type: Logical Default Value: Off
Write Session Mode Description: This parameter indicates whether the session file should be overwritten or appended to if it exists. Parameter Type: String Allowed Values: None, Overwrite, Append Default Value: None Page 614
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CFX-5.6
CFX-5 Reference Guide CFX-Post CCL Details
X Description: The X coordinate value for the location of this object. Parameter Type: Real Default Value: 0.0
X Justification Description: Specifies the horizontal justification of a text or overlay item. Parameter Type: String Allowed Values: None, Center, Left, Right Default Value: Center
X Split Description: The normalised location of the vertical viewport splitter. Parameter Type: Real Default Value: 0.5
Y Description: The Y coordinate value for the location of this object. Parameter Type: Real Default Value: 0.0
Y Justification Description: Specifies the vertical justification of a text or overlay item. Parameter Type: String Allowed Values: None, Center, Top, Bottom Default Value: None
Y Split Description: The normalised location of the horizontal viewport splitter. CFX-5.6
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Parameter Type: Real Default Value: 0.5
Z Description: The Z coordinate value for the location of this object. Parameter Type: Real Default Value: 0.0
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CFX-5.6
CFX-5 Reference Guide
CFX-5 Reference Guide
Frequently Asked Questions • The Questions p. 619 • The Answers p. 624
CFX-5.6
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CFX-5 Reference Guide Frequently Asked Questions
Introduction This chapter is comprised of questions that are frequently asked by CFX customers. The questions are categorised into 6 sections: General (p. 619) Help Documentation (p. 619) CFX-Build (p. 619) CFX-Pre (p. 621) CFX-5 Solver and Solver Manager (p. 622) CFX-Post (p. 622) If you cannot find the answer to your question here, you have other alternatives: • Look for the subject of your question in the online Master Index. • Search the online PDF files for keywords that relate to your question. See Searching PDF Help (p. 225) for help on searching. • You can obtain further support online from our CFX Community Website. Visit www.ansys.com/cfx and follow the Community link. This site contains searchable questions and answers and is available to all registered CFX users. To obtain your CFX community Site password, email [email protected]. • Contact the CFX technical support centre nearest to you. See Contact Information (p. 235) for addresses.
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Introduction
CFX-5.6
CFX-5 Reference Guide Frequently Asked Questions
The Questions General • What does it mean when menu items in the Top Window have a character which is underlined or three dots at the end? • What is meant by and how can I find it out for my installation? • Where should my CFX-5 setup files be placed if I’m using a Windows machine? • How can I print my files on a Windows system if I don’t have a PostScript printer?
Help Documentation • How can I browse the online help without opening CFX-Build, CFX-Pre, the CFX-5 Solver Manager or CFX-Post? • How can I obtain a good quality printed document? • How do I search the PDF online documentation? • What are search indexes and how do I add and remove them from the PDF searches? • I can’t find the Search icon in Acrobat Reader. • Nothing happens when I click the Search button in the Acrobat Reader Search panel. • When I press F1 nothing happens. • I’m running Windows 2000/XP and some of my fonts display incorrectly in FrameViewer. • CFX-Build online help fails with the message “No response from FrameViewer RPC server...”
CFX-Build Session files, journal files and databases • What is the difference between a Journal File (.jou) and a Session File (.ses)? CFX-5.6
The Questions
Page 619
CFX-5 Reference Guide Frequently Asked Questions
• I’m having trouble playing back a Session File. • Can I use old CFX-Build 5 databases with the current version of CFX-Build? • How can I use a database created on one machine type on a machine of a different type? Geometry Modelling • I can’t mesh imported Parasolid solids when using multiple solids. • Why can’t I pick a particular Curve/Edge/Surface/Face? • I can only select some geometry entities when I use the mouse. • A message appeared about “visible entity picking” and then when I wanted to select something from the viewport, nothing was highlighted as I moved the mouse over it. • I tried to create a B-rep and I get a gap warning message. • I’ve lost objects, but I know I haven’t deleted them. • Entities (particularly Curves) do not meet at end points: Gap of Zero. • The surface/curve/solid I have created is the wrong shape. • CFX-Build complains of a ‘Duplicate Entry in Table’. • Chained curves do not appear as expected. • Surface Edge Matching says ‘No Geometry Edited’. • Creating a surface from curves does not work. • Cannot Manifold curve/surface. • When I try to import a Parasolid file, CFX-Build locks up. Meshing • What do the meshing error messages mean? • Why can’t I see inflated elements (prisms) in CFX-Build? • The mesher fails trying to create a surface mesh. • The mesher fails trying to create a mesh with inflation. • How can I ask to see the warning messages that the mesher produces? • How can I make the mesh fine in the interior of the flow? Page 620
The Questions
CFX-5.6
CFX-5 Reference Guide Frequently Asked Questions
• I can’t mesh imported Parasolid solids when using multiple solids. General CFX-Build • My forms keep disappearing and I don’t know why. • How can I use my mouse to transform my geometry in different ways without having to keep using the Toolbar icons? • Why do the colours flash when I move the mouse between application windows? • How do I create a 2D model? • I have to click twice in databoxes before I can enter data. • How can I use the keyboard to perform actions such as selecting Iso 3 View? • How do I get CFX-Build to add lines to the bottom of the History List window instead of the top? • How can I change the default setting of the AutoExecute toggles? • How can I make CFX-Build on Windows use my window colours? • How can I copy the Build Viewport into another Windows application? • Why doesn’t mouse-rotation work?
CFX-Pre • Why do I need to specify a Domain Temperature for an isothermal simulation? • How can I add my fluid to the list of template fluids? • How do I create thin surfaces? • How does the multi-select, drop-down menu work? • How do I set up a multiphase problem? • When should I use multiple domains? • How can I move a boundary condition to a different domain?
CFX-5.6
The Questions
Page 621
CFX-5 Reference Guide Frequently Asked Questions
CFX-5 Solver and Solver Manager • What is a reasonable timestep to use for my problem? • Why does a steady state simulation require a timestep? • How does the Solver compute the Auto Timestep? • What is the 'Auto timestep User Max'? • How do I restart a calculation without changing the physics? • I want to change some parameters and/or physics without restarting CFX-Pre. How do I do this? • Is there maximum file size limit for my results file? • Why does the Solver fail when I try to run my problem? • I get a message saying that a wall has been placed at one of my boundaries. What does this mean? • How can I create backup files during the run? • How can I view the mass balances at each iteration? • Can I add a subdomain or change the geometry/mesh density on a restart? • How can I stop a run of the CFX-5 Solver and Solver Manager? • My simulation doesn’t converge. What can I do? • Auto Timestep option gives an excessively large timestep. • The CFX-5 Solver complains about my mesh. What has happened? • The Solver tells me to "Increase vector parallel tolerance”. What does this mean?
CFX-Post • When using power syntax with variables or locators that contain spaces, I receive error messages. • I can’t select individual surfaces for plotting results. • My isosurface does not display. Why not? • How can I create a Line Locator (a line of points)? • How can I change the font of the numbers on my Legend? • How can I show/hide numbers on my contour plot? • How can I create a Linegraph (XY plot) in CFX-Post? Page 622
The Questions
CFX-5.6
CFX-5 Reference Guide Frequently Asked Questions
• How can I view the residuals? • How can I view the values of YPLUS? • The list of variables which appear in CFX-Post doesn’t seem to include what I need to use. What can I do? • There are lots of variables in the Variables list that aren’t familiar. Where can I find out what they all are? • How do I display all of the surface mesh? • How can I show a single mesh element?
CFX-5.6
The Questions
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CFX-5 Reference Guide Frequently Asked Questions
The Answers General • What does it mean when menu items in the Top Window have a character which is underlined or three dots at the end? The underlined character is there to provide a keyboard short-cut so that you can select an item from the menu without using the mouse. See Using Keyboard Mnemonics to Open a Menu (p. 34 in CFX-Build). The three dots at the end of the names listed in the menus signify that clicking upon that name will open up a form. If you select a menu item without three dots at the end, then that will usually result in a single action which is performed immediately. • What is meant by and how can I find it out for my installation?
is the directory in which CFX is installed. If you are asked to type something which includes the symbol , you should substitute this directory name for the symbol. To find out what this directory is for your installation, see Specific Directory Names (p. 4 in Installing & Introduction to CFX-5). • Where should my CFX-5 setup files be placed if I’m using a Windows machine? If you have a “home” directory on a Windows machine, then you can place your setup files in this directory. On Windows NT, some files can also be placed in c:\winnt\profiles\\Application Data\CFX-5\ (where is your user name) or in the current directory. On Windows 2000, files can be placed in Settings\\Application Data\CFX-5\. CFX-5 setup files are described in Customising CFX-5 (p. 159 in Installing & Introduction to CFX-5). • How can I print my files on a Windows system if I don’t have a PostScript printer? There are various viewers of PostScript files for Windows systems which will allow you to print PostScript files without a PostScriptcapable printer. You can find one available for downloading at http:// www.cs.wisc.edu/~ghost/ and others are available. Note that we cannot provide any support for the use of these products.
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The Answers
CFX-5.6
CFX-5 Reference Guide Frequently Asked Questions
Help Documentation • Do I have to purchase FrameViewer to look at the online help? No, CFX-5 online help can be viewed in PDF format with Adobe Acrobat Reader, which is supplied with your installation. The only aspect of the documentation that needs FrameViewer is CFX-Build context-sensitive help. • How can I browse the online help without opening CFX-Build, CFX-Pre, the CFX-5 Solver Manager or CFX-Post? You can open the online help from the Help menu on the CFX-5 Launcher. See Accessing PDF Online Help (p. 224 in Installing & Introduction to CFX-5) for more details. You can also type the command cfx5help in a UNIX terminal or a suitable Windows command line and press the Return key. (Windows command lines are discussed in Command line (p. 216 in Installation & Introduction to CFX-5).) The Master Contents page of the online help will be opened, and you can navigate to any place you require by following the links on this page. • How can I obtain a good quality printed document? In the CFX-5 Help menu, click on Printable Books. For CFX-Build, you can find Printable Books in the Tools menu. In the books.pdf file that opens, select the book you wish to print and click on File > Print in Adobe Acrobat Reader. Please check the number of pages in the book you choose before you print it as some of the books contain over 1000 pages. See Printing PDF Documents (p. 229 in Installing & Introduction to CFX-5) for more details. • How do I search the PDF online documentation? You must have Adobe Acrobat Reader with Search. Click the Search icon on the Reader main menu. In the Adobe Acrobat Search panel, type a keyword and click the Search button. A list of files showing your results will appear. For more information on help, searching and documentation, see Help On Help (p. 219). • What are search indexes and how do I add and remove them from the PDF searches?
CFX-5.6
The Answers
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CFX-5 Reference Guide Frequently Asked Questions
A search index is a file created using Adobe Acrobat that contains an organised list of all the keywords in the documentation. Search index files have the suffix .pdx. These files allow you to search the thousands of pages of CFX-5 documentation in seconds. Each version of CFX-5 has its own search index and you can search any number of indexes at one time. To load a search index, click the Search icon on the Acrobat Reader main menu. In the Adobe Acrobat Search panel, click the Indexes button. In the Index Selection panel, check the box next to the index you want to search and click OK. If you cannot find the index you want, click the Add... button and browse for the search.pdx file. You will find it in the same directory as your CFX-5 PDF files. To remove a search index, highlight it in the Index Selection panel and click the Remove button. • I can’t find the
Search icon in Acrobat Reader. If you have Adobe Acrobat Reader open, and there is no Search icon on the main menu bar, you have a version of Reader that does not support the search capability. In order to provide full help functionality, you should download the version of Adobe Acrobat Reader WITH SEARCH that is available on the CFX-5 CD.
• Nothing happens when I click the Search button in the Acrobat Reader Search panel. You have no search index loaded. The following message will be at the bottom of the Adobe Acrobat Search panel: “No selected indexes are available for search.” For information on how to load search indexes, see the question above What are search indexes and how do I add and remove them from the PDF searches? • When I press F1 nothing happens. If you are in a component other than CFX-Build, you are probably trying to use PDF context help with no Acrobat Reader installed. If no Acrobat Reader is installed on your system, you will get an error similar to: Error returned from help viewer: initialiseReader: unable to find a valid path to the reader. Please set CFX_PDF_READCMD to the path of a valid reader executable. For UNIX systems, it is highly recommended that you install Adobe Acrobat Reader with Search when you install the CFX-5.6 software. You must use the Adobe Acrobat Reader supplied with CFX-5.6 to provide full help functionality.This contains additional plug-ins to allow context sensitive help to function. These plug-ins will not be included with any other installation of Adobe Acrobat Reader. Page 626
The Answers
CFX-5.6
CFX-5 Reference Guide Frequently Asked Questions
In order to use F1 help (also called context-sensitive help) in CFX-Build, you need to have FrameViewer. If you do not have FrameViewer and you pressed F1 in CFX-Build, a message appeared in the command line window: Waiting for FrameViewer to become available. then another message: No response from FrameViewer RPC server after 60 seconds. FrameViewer was available with the CFX-5.5.1 CD, but is no longer supplied with CFX-5. If you do not have FrameViewer, Help in PDF format is still available in CFX-Build through the Tools menu, but F1 help with CFX-Build will not work. • I’m running Windows 2000/XP and some of my fonts display incorrectly in FrameViewer. A workaround for this problem is documented in Odd Characters in FrameViewer Files with Windows 2000/XP (p. 232 in Installing & Introduction to CFX-5). • CFX-Build online help fails with the message “No response from FrameViewer RPC server...” If you receive the error message “No response from FrameViewer RPC server after 60 seconds” when you try to open CFX-Build FrameViewer online help, check the host settings by typing the commands uname n and hostname. The output from both of these commands must be identical. Inform your systems administrator of the problem if this is not the case. These settings are most often incorrect on IRIX systems when running CFX-5.4 or earlier.
CFX-Build Session files, journal files and databases • What is the difference between a Journal File (.jou) and a Session File (.ses)? The Journal File contains all the commands required to recreate your CFX-Build model database, i.e. it is specific to a particular model. It can therefore contain commands from many CFX-Build sessions. CFX-5.6
The Answers
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CFX-5 Reference Guide Frequently Asked Questions
The Session File is a record of all the commands (and CFX-Build responses) from a particular CFX-Build session. It can therefore contain commands which relate to operations on more than one database. For example, if you open a database, close it, and then open another database, all of these actions will be recorded in the Session File. • I’m having trouble playing back a Session File. It may be that you are trying to play back a Session File which was created on a different computer platform. If you transported your session file from one platform to another, then you must first edit your Session File to change the machine name part of the template name argument for the command which starts the playback. Alternatively, you can use the File>Rebuild command from the CFX-Build Main Menu to rebuild your model from a Journal File. Journal Files are machine independent. • Can I use old CFX-Build 5 databases with the current version of CFX-Build? You can open a CFX-Build 5.4 UNIX (or later) or CFX-Build 5.3 Windows (or later) database on any operating system in CFX-Build by selecting File > Open. No explicit conversion is required. You should note that after opening the database in CFX-5.6, you will not be able to open it again in earlier versions. If you need to be able to do this, you should make a copy of the old database before opening it. • How can I use a database created on one machine type on a machine of a different type? CFX-5.6 databases can be opened on any operating system without conversion. However, you should note that if you open databases created on a Windows or Compaq Tru 64 Unix machine on any other UNIX platform (or vice versa), the process of opening the database will take longer than usual. Geometry modelling • I can’t mesh imported Parasolid solids when using multiple solids. When you import Parasolid solids into CFX-Build that apparently share boundaries, you must be very careful in checking the shared faces between solids and surfaces which reference the underlying CAD geometry.
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The Answers
CFX-5.6
CFX-5 Reference Guide Frequently Asked Questions
The key to this problem is to disassemble the solids and carefully examine the surfaces produced. It is often the case that two apparently common surfaces between two solids are referencing different surfaces. This causes a topological error and trips up the meshing algorithms. To solve the problem, first disassemble the solids that appear to be sharing a face. Next, recreate the solids ensuring that both solids use the exact same surface at the bounding interface. One of the surfaces at the boundary can be deleted to aid this process. • Why can’t I pick a particular Curve/Edge/Surface/Face? Before picking a geometric entity, you should choose which type of entity you want to pick, using the Select Menu form. The most common problem new users have is trying to pick an edge of a surface which is not an explicit curve. ? Pick Any point Pick an existing Point Pick an existing Node
For details, see Using the Select Menus (p. 45 in CFX-Build). • I can only select some geometry entities when I use the mouse. You can change the way you select entities by using the Picking Preferences form, available by selecting Preferences > Picking from the CFX-Build Main Menu. This setting determines whether an entity is ‘picked’ depending on the location of the cursor.
CFX-5.6
The Answers
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CFX-5 Reference Guide Frequently Asked Questions
An additional picking utility is provided on the Select Menu form, which accompanies many of the forms in CFX-Build. The “Pick Visible Entities” icon disables Preselection Highlighting and allows you to pick only those entities which you would normally be able to view. Pick Visible Entities
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For instance, enabling this icon would allow you to pick only the three visible surfaces of a solid cube. For details, see Using the Select Menus (p. 45 in CFX-Build). • A message appeared about “visible entity picking” and then when I wanted to select something from the viewport, nothing was highlighted as I moved the mouse over it. You have accidentally changed the picking mode from “Pre-selection highlighting” to “Visible entity picking”. By default, if you click in a databox which requires you to select a geometrical object or a mesh entity (e.g. a surface), then when you move the mouse over the viewport, each object of the appropriate type is highlighted as the mouse passes over it. In this way, you can see which object you would pick if you were to click the mouse button in that position - this is called “pre-selection highlighting”. You can pick any object of an appropriate type, even if there is another entity in front of it. However, CFX-Build has a different mode of operation in which there is no pre-selection highlighting and where you can only pick entities that are at the front of the viewport - entities which are entirely behind another entity of the same sort cannot be selected.
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The Answers
CFX-5.6
CFX-5 Reference Guide Frequently Asked Questions
To toggle between these two modes, use the toggle on the Select menu, as shown below. Toggle to switch ON/ OFF visible entity picking mode.
Also see I can only select some geometry entities when I use the mouse. (p. 629). • I tried to create a B-rep and I get a gap warning message. CFX-Build gives the following warning: A Gap exists between two of the faces in the Body. This may be due to edges not matching directly or a missing face. Edges are hilighted. Use Edit/Surface/Edge Match to close the gaps, then use Create/Solid/B-rep to create the solid.
and the B-rep solid is not created. When you press OK, the problem edges are highlighted with red coloured markers at the vertices. The reason for this is that CFX-Build has found gaps in your model between original surfaces, or those which were created by breaking other surfaces. This problem is called incongruency, and can occur when surfaces do not meet exactly at their edges, which is a requirement for defining a fully enclosed volume. Fortunately, CFX-Build provides a function which allows you to correct this problem automatically. The sew function (Edit/Surface/Sew) is a composite geometry action which first equivalences (or merges) surface edge points, and then merges the associated edges using an edge matching procedure. Use this first, and then create your B-rep solid. Refer to Text Files in the section Transferring and Upgrading CFX-Build Files (p. 127 in CFX-Build). Also see Play Session File (p. 222 in CFX-Build). • I’ve lost objects, but I know I haven’t deleted them. If you delete a group, it is possible for objects to become ‘orphans’, i.e. they don’t belong to any group. You can only display objects which are in a group, so orphan objects cannot be displayed. To overcome this problem, create a new group and select Add All Orphans as the selection type. CFX-5.6
The Answers
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CFX-5 Reference Guide Frequently Asked Questions
• Entities (particularly Curves) do not meet at end points: Gap of Zero. When entities are created, CFX-Build uses existing points if they lie within a distance smaller than the global tolerance from the vertices of the new entity. Use Show/
