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Tutorial on two dimensional bridge truss analysis in ANSYS 13.0.
In general, a finite element solution may be broken into the following three stages.
1. Preprocessing: defining the problem;
- Define keypoints/lines/areas/volumes
- Define element type and material/geometric properties
- Mesh lines/areas/volumes as required
2. Solution: assigning loads, constraints and solving;
3. Postprocessing:
- Lists of nodal displacements
- Element forces and moments
- Deflection plots
- Stress contour diagramsIn this tutorial we will go through second and third step.
Step 1
This is the second part of tutorials in Which we solve the problem. Under Solution >> Analaysis Type >> New analysis. Select static and click OK.
Step 2
Under Define Loads >> Apply >> Structural >> Displacement >> On keypoints. We will now define the fixed keypoints or supports.
Step 3
Select the two lower corner keypoints and click OK.
Step 4
Select All DOF and click OK.
Step 5
Goto Define loads >> Apply >> Structural >> Force/Moment >> On Keypoints.
Step 6
Select the upper keypoints and click OK.
Step 7
Direction of force be FY and input Force value = -10000 since the force will be acting downward.
Step 8
Now we have the model prepared for solution. Under Solve >> Current Load step.
Step 9
Click OK.
Step 10
A message Solution is done! will show when the process is completed. Click Close.
Step 11
Now the third part of this process. Post-Processing is to be done. Goto General PostProc >> List Results >> Reaction Solu.
Step 12
Select all items and click OK.
Step 13
Now we have the value of reaction about the node 1 and 5 which are fixed. Click Close.
Step 14
Goto Plot Results >> Deformed shape.
Step 15
Select Def + undeformed. Click OK
Step 16
Now we have the deformation plot.
Step 17
Goto Plot results >> Contour plot >> Nodal Solu.
Step 18
Under Stress select von Mises stress and click OK.
Step 19
We have von Mises stress plot.