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Let's repeat the solution on a finer mesh with more divisions in the z-direction. Repeat the mesh steps for the MESH200 element, but this time use smart size 3 and element size of 0.08. Repeat the mesh steps for the SOLID45 element and set the element edge length to 0.05 instead of 0.125. This will create 10 divisions through the thickness of the crank instead of 4. When warned that the picked volumes are already meshed, check Yes and click OK to remesh.

Obtain a new solution and plot the elemental solution of the von Mises stress:

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The maximum displacement at the tip of shaft is 1.8% greater and the maximum stress is 2.5% less 1% greater at the upper-left corner of the cutout. The solution does not change by a lot, so the current mesh is refine enough.

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