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Introduction to ANSYS nCode DesignLife Customer Training Material
Lecture 4: DesignLife Interface
Introduction to ANSYS nCode DesignLife
Agenda
Customer Training Material
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Discuss pre-defined A N S Y S n C o d e D e s i g n L i f e systems
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Discuss D e s i g n L i f e workspace workspace
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Explain differences between data and processes
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Explain how the 5-box trick represents CAE fatigue analysis
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Discuss types of load mapping
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Review the Glyph palette
Introduction to ANSYS nCode DesignLife
Accessing DesignLife •
Customer Training Material
A N S Y S n C o d e D e s i g n L i f e is accessed from WB project page
– highlight Solution cell > RMB > Edit •
opens D e s i g n L i f e in in separate window
Introduction to ANSYS nCode DesignLife
Predefined ANSYS nCode DesignLife Processes Customer Training Material •
Seven A N S Y S n C o d e D e s i g n L i f e processes are predefined as WB analysis systems – Stress-Life (SN) – uses time based FE stresses •
constant amplitude loading
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time step loading
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time series loading
– Strain-Life (EN) – uses time based FE strains •
constant amplitude loading
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time step loading
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time series loading
– Vibration – uses frequency based FE stresses •
requires add-on license
Introduction to ANSYS nCode DesignLife
DesignLife Workflow •
Customer Training Material
D e s i g n L i f e workflow is defined by group of Glyphs connected by Pipes
– predefined A N S Y S n C o d e D es i g n L i f e systems automatically create flows
Introduction to ANSYS nCode DesignLife
DesignLife Interface Available Data
Workspace
Glyphs
Customer Training Material
Glyph Palette
Introduction to ANSYS nCode DesignLife
Glyphs •
Glyphs perform actions – input FE results – input fatigue properties – import loading – perform fatigue calculations – plot fatigue results – list fatigue results – create reports – many more
Customer Training Material
Introduction to ANSYS nCode DesignLife
Glyphs and Pipes •
Customer Training Material
Glyphs are connected at Pads by Pipes – data flows from left to right through the pipes
Pad
Glyph 1
Pipe Pad
Glyph 2
Introduction to ANSYS nCode DesignLife
Pads •
Pads are color coded based on type of data
Customer Training Material
Introduction to ANSYS nCode DesignLife
Glyph Properties •
Customer Training Material
Each glyph has an unique set of properties that control its behavior – to access properties > RMB on Glyph > select “Properties” •
similar to Details Window in ANSYS Mech anical
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re-run process to use new properties
Introduction to ANSYS nCode DesignLife
Advanced Edit •
Customer Training Material
Glyph properties not accessible under the Properties Tab can be accessed using “Advanced Edit” – Analysis Engine > RMB > Advanced Edit
Introduction to ANSYS nCode DesignLife
Data and Processes •
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Customer Training Material
Processes and data are separate items Processes include glyphs, pipes, and properties – do not contain data – can be saved as a .flo file – seven predefined processes are .flo files Data flows through the process – time series, histograms, FE results, etc. D e s i g n L i f e database file (.fdb file) contains process and data
– saved and archived with WB project
Introduction to ANSYS nCode DesignLife
5 Box Trick •
Customer Training Material
Most D e s i g n L i f e processes are built around five basic actions – “5 box trick” – some actions are performed by one glyph – some require several glyphs
solver
inputs > pre-processing
post-processing
Introduction to ANSYS nCode DesignLife
Some Common Glyphs FE_Input Glyph
SN Analysis Glyph
Customer Training Material
Fatigue_Results_Display Glyph
Introduction to ANSYS nCode DesignLife
FE_Input Glyph •
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Customer Training Material
FE_Input Glyph imports FE model and results With predefined D e s i g n L i f e processes, FE_Input Glyph automatically imports A N S Y S file.rst file(s) – does not require any user action – can also read MSC.NASTRAN, ABAQUS, IDEAS, and LS-Dyna results files
Introduction to ANSYS nCode DesignLife
Material Mapping •
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Customer Training Material
Material mapping links analysis engine to material library – Analysis Engine > RMB > Edit Material Mapping D e s i g n L i f e material library is integrated into Engineering Data •
material information is automatically transferred to D e s i g n L i f e
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does not require any user action
Introduction to ANSYS nCode DesignLife
Load Mapping •
Load mapping converts FE results into stress/strain histories for use in fatigue calculations – FE analysis provides results for distinct sets of loads – load mapping determines how the stresses/strains vary •
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Customer Training Material
fatigue life is controlled by cyclic stresses
Constant Amplitude, Time Series, and Time Step are common load mappings used with both stress-life and strain-life fatigue – constant amplitude loading •
stresses/strains are assumed to cycle between minimum maximum values
– time series loading •
stress/strains are paired with time series loading channels to generate stress/strain histories
– time step loading •
FE stresses/strains are used directly
Introduction to ANSYS nCode DesignLife
Load Mapping •
Customer Training Material
With predefined A N S Y S n C o d e D e s i g n L i f e processes, load mapping is automatically defined – Analysis Engine > RMB > Edit Load Mapping
Introduction to ANSYS nCode DesignLife
Analysis Engine •
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Customer Training Material
CAE fatigue analysis is performed by the Analysis Engine glyph Unique glyph for each fatigue analysis method – stress-life – strain-life – vibration – spot weld – seam weld – virtual strain With predefined A N S Y S n C o d e D e s i g n L i f e processes, analysis engine is automatically defined
Introduction to ANSYS nCode DesignLife
Executing Processes •
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Customer Training Material
Processes are executed using the “VCR” buttons on the tool bar – runs one glyph at a time – runs the entire process
“In Process” light turns red as each glyph processes data
Other glyphs are accessible from the glyph Palettes
Customer Training Material
Introduction to ANSYS nCode DesignLife
Glyph Palettes Input Glyph Palette
Customer Training Material
Output Glyph Palette
Introduction to ANSYS nCode DesignLife
Glyph Palettes
Function Glyph Palette
Customer Training Material
DesignLife Glyph Palette
Introduction to ANSYS nCode DesignLife
Exporting Data •
Many Glyphs allow easy exporting of data
Customer Training Material
Introduction to ANSYS nCode DesignLife
Maximizing Glyphs •
Customer Training Material
Glyphs can be maximized by clicking on upper right corner button
Introduction to ANSYS nCode DesignLife
Graphics Controls •
Customer Training Material
Images are manipulated by graphics tool bar and mouse controls
Introduction to ANSYS nCode DesignLife
Summary •
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Overall D e s i g n L i f e process is called a workflow Glyphs are the action blocks in the process – connected at Pads by Pipes – right click to access properties Processes include glyphs, pipes, and properties – often built around five basic actions •
so called “5 box trick”
– data flows through the process – stored in .flo file •
D e s i g n L i f e database (.fdb) file contains process and data
Customer Training Material
Introduction to ANSYS nCode DesignLife
Summary •
Customer Training Material
A N S Y S n C o d e D e s i g n L i f e has 7 predefined processes accessible as
WB Toolbox systems – Stress-Life (SN) – uses time based FE stresses •
constant amplitude loading
•
time step loading
•
time series loading
– Strain-Life (EN) – uses time based FE strains •
constant amplitude loading
•
time step loading
•
time series loading
– Vibration – uses frequency based FE stresses •
requires add-on license
Introduction to ANSYS nCode DesignLife
Summary •
Customer Training Material
Predefined A N S Y S n C o d e D e s i g n L i f e systems automatically – imports flo file – accesses material properties – creates load mapping – inputs ANSYS Mech anical file.rst file(s)
