General Mechanical

General Mechanical

Topics related to Mechanical Enterprise, Motion, Additive Print and more.
  1. All Channels
  2. General Mechanical
  3. Anisotropic stiffness matrix in Engineering Data

Anisotropic stiffness matrix in Engineering Data

    • October 4, 2017 at 12:20 pm
      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

    • October 4, 2017 at 2:39 pm
      nselvara
      Ansys Employee

      Why the anisotropic stiffness matrix in Engineering Data is yellow?

Viewing 1 reply thread
  • The topic ‘Anisotropic stiffness matrix in Engineering Data’ is closed to new replies.
Innovation Space
Top Contributors

© 2025 Copyright ANSYS, Inc. All rights reserved.

Ansys does not support the usage of unauthorized Ansys software. Please visit www.ansys.com to obtain an official distribution.