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  3. Why does Mechanical sometimes issue a warning about having wedge elements in the model?

Why does Mechanical sometimes issue a warning about having wedge elements in the model?

Tagged: internal-flows
    • March 1, 2022 at 10:54 pm
      FAQFAQ
      Participant

      That message is generated when lower-order, linear, SOLID185 elements are collapsed into degenerated wedge elements. Degenerated linear shape functions can be less accurate than the full linear shape functions, particularly in areas with high stress gradients. The message is just a warning to identify that the model contains some degenerated wedge elements. The user needs to assess the effect of the degenerated wedge elements on the solution. The message can be eliminated by replacing the SOLID185 elements with higher-order, quadratic, SOLID186 elements.

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