General Mechanical

General Mechanical

Topics relate to Mechanical Enterprise, Motion, Additive Print and more

Getting stiffness out of ds.dat file

    • Tim Dietl
      Subscriber

      Hello everyone, how can I read the stiffness out of the ds.dat datei?

    • Chandra Sekaran
      Ansys Employee

      The ds.dat file has information about the model - nodes, elements, materials, boundary conditions etc. Can you elaborate on what you are looking for when you say 'stiffness'. Is it the assembled stiffness matrix or stiffness of any particular element? How do you plan to use this stiffness?

      • Tim Dietl
        Subscriber

        Thank you for your answer. I am not sure but if I decrease the Sweep Size of a bolt it seems to get stiffer.

        That's why I want to check the stiffness of the bolt.

        The reason for the test is that I get different bolt adjustment values with different mesh sizes/ sweep sizes which I didn't expect and don't understand.

        Do you have an idea?

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