General Mechanical

General Mechanical

Anisotropic stiffness matrix in Engineering Data

    • pgl
      Ansys Employee

      The stiffness matrix defined in Engineering Data should be a positive definite one. Being positive definite means that the following expression must equal a positive number ! 1.0 - NUXY2EX/EY - NUYZ2EY/EZ - NUXZ*2EX/EZ - 2.0NUXYNUYZNUXZEX/EZ

    • nselvara
      Ansys Employee

      Why the anisotropic stiffness matrix in Engineering Data is yellow?

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