shell element

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Yulu Liu
Posts: 22
Joined: Fri Nov 15, 2019 6:31 am

shell element

Post by Yulu Liu » Wed Nov 27, 2019 1:56 pm

I add the shell element to my model, then the error comes when I run it. What does it mean?
2.png (227.37 KiB) Viewed 3440 times
1.png (65.59 KiB) Viewed 3440 times

Posts: 2321
Joined: Tue Oct 29, 2019 8:45 am

Re: shell element

Post by STKO Team » Wed Nov 27, 2019 2:53 pm

That error says that the element module (ShellMITC4, i.e. the finite element formulation you are using) requires a quad mesh (4 nodes) while you meshed the surface with triangles (3 nodes).

If you want to use the ShellMITC4, you need to do a quad mesh.
By default the mesh is unstructured and triangular, you can make it quadrilateral in the mesh controls dialog:
quad_mesh.png (30.87 KiB) Viewed 3438 times

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