General Mechanical

General Mechanical

Campbell diagram problem

    • mohammedlaminemekhalfia

      Dear All, hope that this post will find you well.

      I have a structure of balded disk ( 60 blade )  where I am trying to plot the campbell diagram.

      the isse is that when I am trying to resolve it just for  4 modes which are all equal to the 1st natural frequency, so technically I need more than 180 mode to get the 2nd and 3rd natural frequencies included. (effect of nodal diameter).

      for the first case it work fine but:

      when I perform the campbell diagram after extracting 180 value it crash with following message:

      "Campbell Diagram data is not complete. Please refer to ANSYS output file for possible causes." The following information is what I deduced after outputting the file from the solution branch (Write input file) and looking through the error file which says "there's no data related to the campbell diagram.

      please advice 

    • Sheldon Imaoka
      Ansys Employee

      Hi mohammedlaminemekhalfia,

      I replied to the other post you have since it seems to be a related issue.




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