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Utility Menu > PlotCtrls > Pan,Zoom,Rotate > Right
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(Click Picture for Larger Image)

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Select Stress from the left list, Y-direction SY from the right list and click OK.
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(Click Picture for Larger Image)

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Enter 2 for Number of contours, and choose User specified for Contour Intervals. Enter Min contour value=-0.2E9, Max contour value=0.2E9, and Contour value incr=0.2E9. Click OK.
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This plots the regions with positive and negative σ_θvalues in different colors. In the red region, 0<σ_θ<200MPa and in the blue region, -200MPa<σ_θ<0. So the boundary between the two colors is the neutral axis.
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The FEA results indicate that the neutral axis is curved, contrary to the assumption in mechanics of materials theory.

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Enter 9 for Number of contours, and choose Auto calculated for Contour Intervals. Click OK.
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(Click Picture for Larger Image)

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This plots the deformed and undeformed shapes in the Graphics window. The maximum displacement DMX=0.230e-4 m.
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Animate the deformation:

Utility Menu > PlotCtrls > Animate > Deformed Shape

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Save your work: Toolbar > SAVE_DB

Go to Step 9: Validate the results