Course in ANSYS - Aalborg Universitethomes.civil.aau.dk/shl/ansysc/ansys-example0120.pdf · ANSYS...
Transcript of Course in ANSYS - Aalborg Universitethomes.civil.aau.dk/shl/ansysc/ansys-example0120.pdf · ANSYS...
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Course in ANSYS
Example0120
Computational Mechanics, AAU, EsbjergANSYS
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Example0120 2Computational Mechanics, AAU, EsbjergANSYS
Example – Cantilever beam
E = 210000N/mm2
n = 0.3L = 5000mma = 250mmb = 450mmc = 10mmd = 20mme = 15mmf = 350mmF = 100N
Objective:Compute the maximum deflection Tasks:Create a table and compare results with results obtained from beam theory?Display the deflection figure?Topics:Topics: Start of analysis, Element type, Real constants, Material, modeling, element size for beam models, saving/restoring
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Example - titleUtility Menu > File > Change Jobname/jobname, Example0120 Command line entry
GUI
Enter: Example0120
Utility Menu > File > Change Title/title, Cantilever beam
Enter: Cantilever beam
Example0120 3Computational Mechanics, AAU, EsbjergANSYS
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Example - KeypointsPreprocessor > Modeling > Create > Keypoints > In Active CS/PREP7K,,,,K,,5000,,K,,,50,
General format:K,#,X,Y,Z
# Keypoint numberX Keypoint x-coordinateY Keypoint y-coordinateZ Keypoint z-coordinate
Note: An empty #result in automaticnumbering.
Example0120 4Computational Mechanics, AAU, EsbjergANSYS
Note: An empty boxresult in a zero. It isallowed to enter 0.0in each box.
Enter 0,0,0 andPress ApplyEnter 5000,0,0 andPress ApplyEnter 0,50,0 andPress Apply
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Example - NumberingSwitch on Keypoint numbersUtility Menu > PlotCtrls > Numbering
Example0120 5Computational Mechanics, AAU, EsbjergANSYS
Press OK
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Example - LinesPreprocessor > Modeling > Create > Lines > Lines > Straight LineCreate a line between Keypoint 1 and Keypoint 2.L,1,2
Example0120 6Computational Mechanics, AAU, EsbjergANSYS
HINT: By clicking with the right-hand mouse button you shift between the Pick/Unpick function. This is indicated by the direction of the cursor arrow:
Pick: upward arrow
Unpick: downward arrow
Press OK or Cancelto finish selection
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Example – Element TypePreprocessor > Element Type > Add/Edit/Delete
Press Add
Example0120 7Computational Mechanics, AAU, EsbjergANSYS
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Example - Element TypePreprocessor > Element Type > Add/Edit/Delete
Press Options
Example0120 8Computational Mechanics, AAU, EsbjergANSYS
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Example - Element TypePreprocessor > Element Type > Add/Edit/Delete
Example0120 9Computational Mechanics, AAU, EsbjergANSYS
Press Help to learn more about theelement.
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Example - Material PropertiesPreprocessor > Material Props > Material Models
Double Clickto step in thematerial tree
Example0120 10Computational Mechanics, AAU, EsbjergANSYS
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Example - Material PropertiesPreprocessor > Material Props > Material Models
Enter:Modulus of elasticity
Enter:Poisson’s ratio
Click hereto Close
Press OK
Example0120 11Computational Mechanics, AAU, EsbjergANSYS
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Example - SectionEnter i253
Select the I profile
Follow the guidelines at Enter the appropiatecross-sectional data
Press OK to finish
Example0120 12Computational Mechanics, AAU, EsbjergANSYS
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Example – Line AttributesPreprocessor > Meshing > Mesh Attributes > Picked Lines
Select section I253
Example0120 13Computational Mechanics, AAU, EsbjergANSYS
Press OK to finish
Change to Yes
Select KP3
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Example - MeshingPreprocessor > Meshing > Size Cntrls > ManualSize > Lines > Picked Lines
Example0120 14Computational Mechanics, AAU, EsbjergANSYS
Select/PickLines tospecifymesh sizefor
Press OK when finish with selection Enter 5
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Example - MeshingPreprocessor > Meshing > Mesh > Lines
Select individual lines to be meshed by Picking
Example0120 15Computational Mechanics, AAU, EsbjergANSYS
Select all lines defined to be meshed
NB: It is often necessary to “Clear” the model forexample if Element Type is to be changed
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Example0120 16Computational Mechanics, AAU, EsbjergANSYS
Example - PlotCtrls Menu
Change to On
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Example – Display of Element
Example0120 17Computational Mechanics, AAU, EsbjergANSYS
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Example – Analysis Type
Solution > Analysis Type > New Analysis
File > Write DB log fileEnter “example0120.lgw”
Press OK
Example0120 18Computational Mechanics, AAU, EsbjergANSYS
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Example – Define LoadsSolution > Define Loads > Apply > Structural > Displacement > On Keypoints
Select keypoint 1
Select All DOF to fix/clamp the beam
Press OK
Example0120 19Computational Mechanics, AAU, EsbjergANSYS
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Example – Define LoadsSolution > Define Loads > Apply > Structural > Force/Moment > On Keypoints
Select keypoint 2
Change to FY
Press OK to finish Enter -100
Example0120 20Computational Mechanics, AAU, EsbjergANSYS
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Example - Save
Display of Analysis model
Save the model
Example0120 21Computational Mechanics, AAU, EsbjergANSYS
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Example - SolveSolution > Solve > Current LS
Example0120 22Computational Mechanics, AAU, EsbjergANSYS
Press OK
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Example - PostProcessingGeneral Postproc > Plot Results > Deformed Shape
Select “Def+undeformed”and Press OK
Example0120 23Computational Mechanics, AAU, EsbjergANSYS
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Example - PostProcessing
Read Maximum displacement: DMX
Example0120 24Computational Mechanics, AAU, EsbjergANSYS