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General Mechanical

General Mechanical

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Sine Sweep (Harmonic Response) Analysis

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    • September 11, 2024 at 4:16 pm
      grace.halferty
      Subscriber

      Hi,

      I am trying to perform a sine sweep analysis with a sweep rate of 4 oct/min. I have already done the modal analysis but I'm not sure how to setup the harmonic analysis with the sine sweep rate. I have the following test profile:

      3.84 in./s - 5-24 Hz

      1.53g - 24-100Hz

      3.50g - 110-800Hz

      10.0g - 800-2000Hz

      Thrust Axis Only

      Thank you for your help!

    • September 12, 2024 at 1:16 pm
      dlooman
      Ansys Employee

      There isn't a sine-sweep analysis type in Ansys or even an easy way to specify harmonic acceleration vs frequency.  Each frequency range would be a separate harmonic analysis over that frequency range and the response would not take into account the sweep rate.

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