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  3. How can I get the surface normals(direction cosines) of some shells elements and flip them?

How can I get the surface normals(direction cosines) of some shells elements and flip them?

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    • January 25, 2023 at 7:34 am
      FAQFAQ
      Participant

      Appendix A of the ANSYS Parametric Design Language Guide has info on the GET functions. You will likely need the NELEM(E,NPOS) to get the I, J, K node numbers for each element. Then use the NORMNX(N1,N2,N3), NORMNY, and NORMNZ to get the X/Y/Z direction cosines. See Section 8.3 in the Modeling and Meshing Guide for info on reorienting element faces (likely ENSYM). —

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