General Mechanical

General Mechanical

Topics relate to Mechanical Enterprise, Motion, Additive Print and more

Random PSD Analysis

    • Louie Lou
      Subscriber

      Hi,

      Thanks to harmonic analysis I calculated FRF, I used 9800 mm/s^2 as acceleration data. Vibration generator is g^2/Hz in nCode DesignLife, and my PSD datas changes from 0 Hz to 2000 Hz as g^2/Hz. Since I used mm/s^2 in harmonic analysis, must I convert g^2/Hz to mm/s^2/Hz in nCode? 

      Are they same unit both in harmonic analysis and in nCode DesignLife?

    • Ashish Khemka
      Forum Moderator
      Hi, Please see if the following link helps: https://forum.ansys.com/forums/topic/response-spectrum-vs-random-vibration/ Regards, Ashish Khemka
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