Course in ANSYS

Example0102

Computational Mechanics, AAU, EsbjergANSYS

Example – Cantilever beam

E = 210000N/mm2

n = 0.3L = 150mmc = 100mma = 10mmb = 10mmF1 = 100NF2 = 10N

Objective:Display the moment curveTasks:Obtain values in intermediate points?Create an element table?Display the moment curve?Topics:Start of analysis, Element table/output,intermediate points, saving/restoring

Example0102 2Computational Mechanics, AAU, EsbjergANSYS

Example - titleUtility Menu > File > Change Jobname/jobname, Example0102 Command line entry

GUI

Enter: Example0102

Utility Menu > File > Change Title/title, Cantilever beam

Enter: Cantilever beam

Example0102 3Computational Mechanics, AAU, EsbjergANSYS

Example - KeypointsPreprocessor > Modeling > Create > Keypoints > In Active CS/PREP7K,,,,K,,100,,K,,150,,

General format:K,#,X,Y,Z

# Keypoint numberX Keypoint x-coordinateY Keypoint y-coordinateZ Keypoint z-coordinate

Note: An empty #result in automaticnumbering.

Example0102 4Computational Mechanics, AAU, EsbjergANSYS

Note: An empty boxresult in a zero.

Enter 0,0,0 andPress Apply for KP1 Enter 100,0,0 andPress Apply for KP2Enter 150,0,0 andPress Apply for KP3

Example - LinesPreprocessor > Modeling > Create > Lines > Lines > Straight LineCreate a line between Keypoint 1 and Keypoint 2 and so on.L,1,2L,2,3

Example0102 5Computational 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

Example – Element TypePreprocessor > Element Type > Add/Edit/Delete

Press Add Select Beam, 2D elastic 3

Example0102 6Computational Mechanics, AAU, EsbjergANSYS

Example - Element TypePreprocessor > Element Type > Add/Edit/Delete

Press Options

Change to “9 intermed pts”

Example0102 7Computational Mechanics, AAU, EsbjergANSYS

Example - Element Type

Press Help to launchthe documentation forthis element type.

Notice the key option number for later use

Remember MFORX, SMISC,6…66

Example0102 8Computational Mechanics, AAU, EsbjergANSYS

Example – Real ConstantsPreprocessor > Real Constants > Add

Place the cursoron the relevantelement andpress OK

Example0102 9Computational Mechanics, AAU, EsbjergANSYS

Example - Real ConstantsPreprocessor > Real Constants > Add

Press OKPress Close to finish

Enter cross-sectional data

Example0102 10Computational Mechanics, AAU, EsbjergANSYS

Example - Material PropertiesPreprocessor > Material Props > Material Models

Double Clickto step in thematerial tree

Example0102 11Computational Mechanics, AAU, EsbjergANSYS

Example - Material PropertiesPreprocessor > Material Props > Material Models

Enter:Modulus of elasticity

Enter:Poisson’s ratio

Click hereto Close

Example0102 12Computational Mechanics, AAU, EsbjergANSYS

Example - MeshingPreprocessor > Meshing > Size Cntrls > ManualSize > Lines > Picked Lines

Example0102 13Computational Mechanics, AAU, EsbjergANSYS

Select/PickLines tospecifymesh sizefor

Press OK when finish with selection Enter 1

Example - MeshingPreprocessor > Meshing > Mesh > Lines

Select individual lines to be meshed by Picking

Select all lines defined to be meshed

Example0102 14Computational Mechanics, AAU, EsbjergANSYS

Example – Analysis Type

Solution > Analysis Type > New Analysis

File > Write DB log fileEnter “example0102.lgw”

Press OK

Example0102 15Computational Mechanics, AAU, EsbjergANSYS

Example – Define LoadsSolution > Define Loads > Apply > Structural > Displacement > On Keypoints

Select keypoint 1

Select All DOF to fix/clamp the beam

Press OK

Example0102 16Computational Mechanics, AAU, EsbjergANSYS

Example – Define LoadsSolution > Define Loads > Apply > Structural > Force/Moment > On Keypoints

Select keypoint 2

Select FY

Press OK to finish Enter -100

Example0102 17Computational Mechanics, AAU, EsbjergANSYS

Example – Define LoadsSolution > Define Loads > Apply > Structural > Force/Moment > On Keypoints

Select keypoint 3

Select FY

Press OK to finish Enter -10

Example0102 18Computational Mechanics, AAU, EsbjergANSYS

Example - Save

Display of Analysis model

Save the model

Example0102 19Computational Mechanics, AAU, EsbjergANSYS

Example - SolveSolution > Solve > Current LS

Example0102 20Computational Mechanics, AAU, EsbjergANSYS

Press OK

Example - PostProcessingSolution > General Postproc > Plot Results > Deformed Shape

Select “Def+undeformed”and Press OK

Example0102 21Computational Mechanics, AAU, EsbjergANSYS

Example - PostProcessing

Example0102 22Computational Mechanics, AAU, EsbjergANSYS

Example – Element Table

Press Add to add the first data line

Example0102 23Computational Mechanics, AAU, EsbjergANSYS

Example – Element Table

Scroll down in this menu to find the line “By sequence number”

Example0102 24Computational Mechanics, AAU, EsbjergANSYS

Example – Element Table

6

Enter 6 as found in table 3.2

From table 3.2 MMOMZ, SMISC,6,66Press OK

Example0102 25Computational Mechanics, AAU, EsbjergANSYS

Example – Element Table

Press Add to add the second data lineExample0102 26

Computational Mechanics, AAU, EsbjergANSYS

Example – Element Table

Enter 66 as found in table 3.7

From table 3.7 MMOMz, SMISC,6,66Press OK

Example0102 27Computational Mechanics, AAU, EsbjergANSYS

Example – Element Table

Example0102 28Computational Mechanics, AAU, EsbjergANSYS

Example – Plot Line-Element

Example0102 29Computational Mechanics, AAU, EsbjergANSYS

Change to SMIS66Press OK

Example – Plot Line-Element

Example0102 30Computational Mechanics, AAU, EsbjergANSYS