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Post-Process the Solution
To calculate the stress and strain components, click on Strain, Stress under Post-Process.
Plot σxx
In the Plotting menu, select Stress (xx).
We expect a pure bending stress in the central region between the two applied forces. The stress is tensile on the bottom surface and compressive on the top surface as expected. Elementary beam theory predicts the bending stress as σxx =My/I. Here
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Plot Isochromatic Fringes
In the Post-Process menu, select Isochromatic Fringes. This calculates the fringes. To plot the fringes, select Isochromatic Fringes in the Plotting menu. For the number of fringes, enter 5
.
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To save all the data in the workspace, select Workspace in the Export menu. Specify beam.mat
as the filename and click OK.
This brings us to the end of this exercise. Goodbye!
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