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Structural Dynamics

Structural Dynamics

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  3. How can I change the normalization method of the vibration modes from modal analysis?

How can I change the normalization method of the vibration modes from modal analysis?

Tagged: mechanical, Modal/Harmonic Response, Structural Dynamics / Modal, structural-dynamics, structural-mechanics
    • June 5, 2023 at 7:05 am
      FAQFAQ
      Participant

      One can use command MODOPT. Below is from the help documentation. Nrmkey : OFF : Normalize the mode shapes to the mass matrix (default). ON: Normalize the mode shapes to unity. In WB, insert a command object under Modal. You may need to define other parameters of command MODOPT. Below is an example, MODOPT,lanb,6,,,, on

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