ANSYS APDL Mesh division of a triangular prism volume.

- May 20, 2023 at 10:28 am
  
  taehyung021
  Subscriber
  
  I want to mapped mesh the volume of a triangular prism with depth as shown in the figure, but I get an error saying that the angle between two sides exceeds 165 degrees. How should I divide the mesh to eliminate the error?"
- May 22, 2023 at 1:04 pm
  
  Chandra Sekaran
  Ansys Employee
  
  I am not sure you can avoid warnings with a quad mesh at the corner. What you are currently getting are probably warnings meaning you will be able to continue the analysis. The modeling and meshing guide ( https://ansysproducthelpqa.win.ansys.com/account/secured?returnurl=/Views/Secured/corp/v232/en/ans_mod/Hlp_G_ModTOC.html ) details various controls. MSHOPT and MSHKEY may be the primary commands you can use to control. I think by changing the number of divisions on the longer lines (coarsening) you may be able to get less warnings. But may be you should consider using a TET mesh or extruded triangular prisms.
- May 30, 2023 at 4:17 pm
  
  taehyung021
  Subscriber
  
  Hello.
  I tried to observe the von Mises stress at the nodes near the centroid of this triangle, but there were no results. Could this be related to a mesh error?

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