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  1. encocrema

    Natural frequency analysis: please help

    Why does the analysys finish correctly for n° of modes<"n"?
  2. encocrema

    Natural frequency analysis: please help

    Model 1, model 2...are different structures
  3. encocrema

    Natural frequency analysis: please help

    The structures are correctly bounded but the message is: Error: Eigensolver failure. Possible rigid body modes. In some analysis I have this message if I choose a number of modes to calculate greater than "n". For example: -Model 1: n=12 -Model 2: n=9 -Model 3: n=1 -Model 4: n=0!!!

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