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Solution of Transient Analysis
Ex 51: Perform the Transient analysis of cantilever beam subjected to transient load of 100N for a
period of 0.01 seconds as shown below and determine the following results:
1. Deflection of beam
2. Max. Stress of beam
3. Animate the result
4. Plot the graph between Y displacement vs Time
First sectionStep 1: Do Modelling of beam
a. keypoint (0,0) and (1000,0)
b. line from (0,0) to (1000,0)
Step 2: Define Element Type: Beam 3,
1000
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Step 3: Real Constants
Add/Edit/Delete
Step 4: Material Property:
Step 5: Meshing of beam
MeshingMesh Tool Line SET Number of division= 10okMesh select lineok
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Second SectionSolution:
Step1: Solutionnew analysisTransientokfull ok
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Step2: Now following part divided into 3 parts
Part 1:
In first Part load is not apply. only ALL DOF of left end must be zero.
part 1 step1 solutionsDefine loads Structural Keypointsselect left end (0,0)0kalldof zerook
part 1 step2 solutionunbridged menu to abridged menuload step optstime/frequencytime - time step
Time at end of load step=0.001 Time step size = 0.001 stepped or rapped = => Select rapped ok
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part 1 step3 solutionload step optsWrite LS file load step file number = 1 ok
Part 1 is finished.
Part 2:
In Second Part load is apply. Force applied on right end of beam. Force magitude is 100N in
downward direction.
part2 step1: solutionapply Structuralforce/moment on keypoints ok
Direction of force =FY
Value Force/moment value = -100
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part2 step2: solutionunbridged menu to abridged menuload step optstime/frequencytime - time step
Time at end of load step=0.01 Time step size = 0.001 stepped or rapped = => Select rapped ok
part2 step3 solutionload step optsWrite LS file load step file number = 2 ok
Part 2 is finished
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Part 3:
In Third Part load is removed. Force applied on right end of beam now delete.
part3 step1: solutionapply StructuralDefine loads Deleteforce/moment
keypointsok
part3 step2: solutionunbridged menu to abridged menuload step optstime/frequencytime - time step
Time at end of load step=1 Time step size = 0.001 stepped or rapped = => Select rapped ok
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step3 step 3:
part3 step3 solutionload step optsWrite LS file load step file number =3 ok
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Now
Solve from LS Fiems 1
click ok solution is done.