Course in ANSYS - Aalborg Universitethomes.civil.aau.dk/shl/ansysc/ansys-example0570.pdf · ANSYS....
Transcript of Course in ANSYS - Aalborg Universitethomes.civil.aau.dk/shl/ansysc/ansys-example0570.pdf · ANSYS....
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Course in ANSYS
Example0570
Computational Mechanics, AAU, EsbjergANSYS
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Example – Cantilever beam
E = 210000N/mm2
n = 0.3L = 100mma = 10mmb = 10mmsy = 355N/mm2
F = 1000N
Objective:Run the problem using different material models Tasks:Run a static linear modelRun a static full nonlinear model with:
- A bilinear kinematic hardening behaviourTopics:Element type, Real constants, modeling,Plot results, output graphics, nonlinear solution control
Example0570 2Computational Mechanics, AAU, EsbjergANSYS
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Example - titleUtility Menu > File > Change Jobname/jobname, Example0570 Command line entry
GUI
Enter: Example0570
Utility Menu > File > Change Title/title, Cantilever beam
Enter: Cantilever beam
Example0570 3Computational Mechanics, AAU, EsbjergANSYS
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Example - AreasPreprocessor > Modeling > Create > Areas > Rectangle > By DimensionsCreate an area given by X=(0,100) and Y=(0,10)
Enter 0 orleave empty
Example0570 4Computational Mechanics, AAU, EsbjergANSYS
Enter 100
Enter 10Enter 0 orleave emptyPress OK
Note: Keypoints (4 kp’s) and lines(4 lines) are automatically generated(also numbered automatically)
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Example - Area
Example0570 5Computational Mechanics, AAU, EsbjergANSYS
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Example0570 6Computational Mechanics, AAU, EsbjergANSYS
Example - OperatePreprocessor > Modeling > Operate > Extrude > Areas > Along NormalCreate a volume by extruding the area 10 along its surface normal vector
Note: Bottom left corner of ANSYS GUI
Press OK Enter 10
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Example – Mouse rotate
Rotate by holding the Ctrl key down while using the right hand mouse button
Example0570 7Computational Mechanics, AAU, EsbjergANSYS
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Example – Element TypePreprocessor > Element Type > Add/Edit/Delete
Press Add
Example0570 8Computational Mechanics, AAU, EsbjergANSYS
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Example - Element TypePreprocessor > Element Type > Add/Edit/Delete
Press Options
Example0570 9Computational Mechanics, AAU, EsbjergANSYS
Press Help to learn more about theelement.
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Example – Real ConstantsNo Real Constants are necessary for pure 3D solid models!
Example0570 10Computational Mechanics, AAU, EsbjergANSYS
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Example - Material PropertiesPreprocessor > Material Props > Material Models
Double Clickto step in thematerial tree
Example0570 11Computational Mechanics, AAU, EsbjergANSYS
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Example - Material Properties
Example0570 12Computational Mechanics, AAU, EsbjergANSYS
Preprocessor > Material Props > Material ModelsEnter 210000Modulus of elasticity
Enter 0.3Poisson’s ratio
Click hereto Close
Press OK
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Example - MeshingPreprocessor > Meshing > Size Cntrls > ManualSize > Lines > Picked Lines
Example0570 13Computational Mechanics, AAU, EsbjergANSYS
Select/PickLines tospecifymesh sizefor
Press OK when finish with selection
Select the indicated lines
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Example - MeshingPreprocessor > Meshing > Size Cntrls > ManualSize > Lines > Picked Lines
Enter 2Press OK when finish with selection
Example0570 14Computational Mechanics, AAU, EsbjergANSYS
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Example - MeshingPreprocessor > Meshing > Mesh > Volumes > Mapped > 4 or 6 sided
Example0570 15Computational Mechanics, AAU, EsbjergANSYS
Select individual volumes to be meshed
Select all volumes defined to be meshed
NB: It is often necessary to “Clear” the model forexample if Element Type or model geometry is to be changed
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Example – 3D Mesh
Example0570 16Computational Mechanics, AAU, EsbjergANSYS
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Example – Analysis Type
Solution > Analysis Type > New Analysis
File > Write DB log fileEnter “example0570.lgw”
Example0570 17Computational Mechanics, AAU, EsbjergANSYS
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Example – Define LoadsSolution > Define Loads > Apply > Structural > Displacement > On Areas
Select All DOF to fix/clamp the beam
Select Area A6 or the left end area
Press OKExample0570 18
Computational Mechanics, AAU, EsbjergANSYS
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Example – Define LoadsSolution > Define Loads > Apply > Structural > Force/Moment > On Nodes
Select indicated element node
Press OK
Note: If the model is remeshed all loads will be deleted with the element nodes
Example0570 19Computational Mechanics, AAU, EsbjergANSYS
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Example – Define LoadsSolution > Define Loads > Apply > Structural > Force/Moment > On Nodes
Change to FY
Press OK to finish Enter -1000
Example0570 20Computational Mechanics, AAU, EsbjergANSYS
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Example - Save
Display of Analysis model
Save the model
Example0570 21Computational Mechanics, AAU, EsbjergANSYS
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Example - SolveSolution > Solve > Current LS
Example0570 22Computational Mechanics, AAU, EsbjergANSYS
Press OK
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Example - SolvePress Close
Press hereto Close
Example0570 23Computational Mechanics, AAU, EsbjergANSYS
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Example - PostProcessingGeneral Postproc > Plot Results > Deformed Shape
Select “Def+undeformed”and Press OK
Example0570 24Computational Mechanics, AAU, EsbjergANSYS
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Example - PostProcessing
Read Maximum displacement: DMX
Example0570 25Computational Mechanics, AAU, EsbjergANSYS
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Example – Linear solution
Example0570 26Computational Mechanics, AAU, EsbjergANSYS
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Example – NL material models
Example0570 27Computational Mechanics, AAU, EsbjergANSYS
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Example – Bilinear kinematichardening
Enter 355 as the Yield Stress
Enter 1000 as the Tangent Modulus
Press OK
Example0570 28Computational Mechanics, AAU, EsbjergANSYS
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Example – Solution ControlsChange to Large Displacement Static
Example0570 29Computational Mechanics, AAU, EsbjergANSYS
Enter 30
Select All solution items
Select Write every Nth substeps
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Example - SolveSolution > Solve > Current LS
Press OK
Example0570 30Computational Mechanics, AAU, EsbjergANSYS
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Example - Convergence
Example0570 31Computational Mechanics, AAU, EsbjergANSYS
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Example – NL material solution
Example0570 32Computational Mechanics, AAU, EsbjergANSYS