Structural Dynamics

Structural Dynamics

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

    • 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