How to simulate stress-strain curves in the elastic and plastic ranges of materials #201
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zrx-explorer
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Hi，
I'm new to the mechanics of materials. Now I have an STL file of the structure as shown in the figure. I wish to fix the lower surface of the structure and apply a displacement load to the upper surface, output the force, thereby obtaining a force-load curve (stress-strain curve) that includes the material's elastic and plastic regions, and finally determine the corresponding yield strength and ultimate strength. How can I import an STL file in FEniCS, and how can I implement nonlinear simulation?
Looking forward for your help.
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