General Mechanical

General Mechanical

Modal solution

    • ansysuser2020
      Subscriber

      Can not get correcr results in modal ansys


      can you help?


      it is first mode



       


       

    • peteroznewman
      Subscriber

      Please reply with a description of what you think are the correct results.

    • ansysuser2020
      Subscriber

      I think it is not correct results. Before I instal linear type of mesh elements and results was good. 

    • peteroznewman
      Subscriber

      Please show the mode shape for the linear elements that you though looked good.


      Also show the mesh.

    • ansysuser2020
      Subscriber


       


       

    • ansysuser2020
      Subscriber


       


    • peteroznewman
      Subscriber

      The first image is Mode 3 at 2237 Hz, while the image above is Mode 1 at 848 Hz.  They have different shapes because they are different modes. I expect you will get the same mode shapes and the same modal frequencies when you mesh with Linear or Quadratic elements. Just be careful to compare the same Mode.

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