Course in ANSYS Example0153 ANSYS Computational Mechanics, AAU, Esbjerg Example – Offshore structure F Objective: Display the deflection figure and ...
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FEA Ansys
ANSYS, Inc. is an American Computer-aided engineering software developer. Ansys publishes engineering analysis software across a range of disciplines including finite element analysis, structural analysis, computational fluid dynamics, explicit and i
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ANSYS AQWA Study on mooring systemFull description
ANSYS AQWA Study on mooring systemFull description
The subject of this bottom founded exercise presents the schematic design of a jacket platform, which covers most issues of a preliminary bottom founded structure design, ranging from the de…Full description
Course in ANSYS Example0153
ANSYS
Exam Exampl ple e – Offs Offsho hore re stru struct ctur ure e F
Objective: Display the deflection figure and von Mises Mises stress stress distr distribu ibutio tion n Tasks: Import geometry from IGES. Display the deflection figure? Displ Di splay ay the von von Mises Mises stress stress distribution? 2
E = 210000N/mm = 0.3 F = -10000
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Exam Exampl ple e – Offs Offsho hore re stru struct ctur ure e
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Example – Im Imp port ort IGES Utility Menu > File > Import > IGES
Press OK
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Example – Im Imp port ort IGES
Browse to find offshore-structure-skeleton.igs Press OK
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Example - Display
Select Front View
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Example - Numbering
Set Keypoi Keypoint nt numbers numbers On Set Line numbers On ANSYS
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Example - Numbering
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Example ple – Elemen entt Ty Type Preprocesso Preprocessorr > Element Element Type > Add/Ed Add/Edit/Dele it/Delete te
Press Add
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Example ple - Elem lement Type Preprocesso Preprocessorr > Element Element Type > Add/Ed Add/Edit/Dele it/Delete te
Press Options
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Press Help to learn more about the element. Example0153
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Examp xample le – Rea eall Co Cons nsta tant nts s Preprocess Preprocessor or > Real Real Constants Constants > Add
Place the cursor on the relevant element and press OK
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Examp xample le - Rea eall Co Cons nsta tant nts s Preprocess Preprocessor or > Real Real Constants Constants > Add Enter OD=60 and TKWALL=3 Enter OD=40 and TKWALL=3 Enter OD=26 and TKWALL=2 Enter OD=30 and TKWALL=2
Add 4 Sets
Press Close to finish
Press OK ANSYS
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Exam Exampl ple e - Ma Mate teri rial al Prop Proper erti ties es Preprocess Preprocessor or > Material Material Props Props > Material Material Models Models
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Example0153
Double Click to step in the material tree
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Exam Exampl ple e - Ma Mate teri rial al Prop Proper erti ties es Preprocess Preprocessor or > Material Material Props Props > Material Material Models Models Enter: Modulus of elasticity
Click here to Close
Enter: Poisson’s ratio
Press OK
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Examp xample le – Me Mesh sh Att ttri ribu bute tes s Preprocess Preprocessor or > Meshing > Mesh Attributes Attributes > Line Line Attributes Attributes > Picked Lines Lines Select Line L7, L1, L8
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Press OK
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Examp xample le – Me Mesh sh Att ttri ribu bute tes s
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Examp xample le – Me Mesh sh Att ttri ribu bute tes s Preprocess Preprocessor or > Meshing > Mesh Attributes Attributes > Line Line Attributes Attributes > Picked Lines Lines Select Line L5, L4, L6
Change to 2 2
ANSYS
Press OK
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Examp xample le – Me Mesh sh Att ttri ribu bute tes s
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Examp xample le – Me Mesh sh Att ttri ribu bute tes s Preprocess Preprocessor or > Meshing > Mesh Attributes Attributes > Line Line Attributes Attributes > Picked Lines Lines Select Line L2
Change to 3 3
ANSYS
Press OK
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Examp xample le – Me Mesh sh Att ttri ribu bute tes s
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Examp xample le – Me Mesh sh Att ttri ribu bute tes s Preprocess Preprocessor or > Meshing > Mesh Attributes Attributes > Line Line Attributes Attributes > Picked Lines Lines Select Line L3
Change to 4 4
ANSYS
Press OK
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Examp xample le – Me Mesh sh Att ttri ribu bute tes s
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Example - Meshing Prepro Preproces cessor sor > Meshin Meshing g > Size Size Cntrl Cntrls s > Manual ManualSiz Size e > Lines Lines > Pick Picked ed Line Lines s
Select/Pick Lines to specify mesh size for
Press OK when finish with selection ANSYS
Example0153
Enter 2 for L7 3 for L6 4 for L1,L4,L5 5 for L8 23
Example - Meshing Preprocess Preprocessor or > Meshing Meshing > Mesh > Lines Lines
Select individual lines to be meshed by Picking
NB: It is often necessary to “Clear” the model for NB: example if Element Type is to be changed
Select all lines defined to be meshed
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Example ple – Size and and Sha hap pe
Press OK ANSYS
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Switch to On 25
Exam Exampl ple e – Di Disp spla lay y of of ele eleme ment nt
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Example – Ana nallysis Ty Type File > Write DB log file Enter “example0153.lgw”
Solution > Analysis Type > New Analysis
Press OK
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Example ple – Def efiine Lo Load ads s Solution Solution > Define Loads Loads > Apply > Structural Structural > Displacemen Displacementt > On Lines Select line L7, L1, L8
Select UX
Press OK ANSYS
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Example ple – Def efiine Lo Load ads s Solution Solution > Define Loads Loads > Apply > Structural Structural > Displacemen Displacementt > On Keypoints Keypoints Sele Select ct keyp keypoi oint nt 10 Select All DOF
Press OK ANSYS
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Example ple – Def efiine Lo Load ads s Solution > Define Loads > Apply > Structural > Force/Moment Force/Moment > On Keypoints Sele Select ct keyp keypoi oint nt 16
Change to FY
Press OK to finish ANSYS
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Enter -10000 30
Exam Exampl ple e – Boun Bounda dary ry Co Cond ndit itio ions ns
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Example - Solve Solution > Solve > Current LS
Press OK
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Exam xample ple - Post PostPr Proc oces ess sing ing General General Postproc Postproc > Plot Results Results > Deformed Deformed Shape
Select “Def+undeformed” and Press OK
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Exam Exampl ple e – Def efor orme med d Sha hape pe
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Exam amp ple – Con onttou ourr Pl Plot
Press OK ANSYS
Select Stress, von Mises SEQV Example0153
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Exam amp ple – Con onttou ourr Pl Plot
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Exam Exampl ple e – Co Comm mmen ents ts/Q /Que uest stio ions ns • Coul Could d the the mo mode dell be mo mode dele led d wit with h bea beam m elements instead of pipe elements? • The The “ex “exam ampl ple0 e015 153. 3.lg lgw” w” can can be be edi edite ted d in in “Notepad” • Will Will th the e num numbe berr of of ele eleme ment nts s aff affec ectt the the solution?
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File menu You can include commands to be executed when the program starts up in the start71.ans file.
Clears (zeros out) the database stored in memory. Clearing the database has the same effect as leaving leaving and reentering reentering the ANSYS ANSYS program, but does not require you to exit. ANSYS
