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Found 5 results

1. ## Shear stress in a tetra mesh

I have a tetra mesh which is more or less spherical and I would like to quantify the shear stress in the tetra elements. Is there a way to calculate the forces tangentially to the surface of the mesh (when the surfaces of the individual elements are not parallel to the surface of the mesh, like it is the case in a tetra mesh)? Is it for example possible to establish some kind of spherical coodinate system in the center of my mesh and calculate the stress perpendicular to an axis that points into the center of that coordinate system?
2. ## Simple Mesh With Uniform Elements

Hello, I'm trying to mesh a simple rectangular beam (200mmx50mmx50mm) with a uniform mesh throughout as seen in the example photo. When I carry out a 5mm volume tetra mesh it generates uniform elements on the surfaces but this is not the case inside as seen in the attached photo. How can I achieve a uniform element pattern throughout as seen in the example photo? Thanks in advance, Tom
3. ## Tet Collapse elements failure

I am meshing my steering knuckle in the hypermesh with user profile as Optistruct. When i go for elements check up , i find a few hundred elements failingin the tet collapse domain. How do i correct them ?
4. ## compatibility of mixed mesh with the explicit analysis

Dear all, anybody please tell me, whether mixed mesh (Hexa+Tetra+Pyramid) is compatible with the stress analysis under the transient loading in radioss. The time duration of the load is very small. Is there any concern in doing mixed mesh in such a loading condition?
5. ## tetra mesh a bug in tetra meshing

Hello. I have a surface mesh, and I want to mesh the surfaces in 3d tetramesh. but after analyzing the message comes up and it says that: BUG: element connectivity error could any one tell me how to fix this problem?
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