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Structural Dynamics

Structural Dynamics

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  3. How to include effect of bolt pretension in a modal analysis?

How to include effect of bolt pretension in a modal analysis?

Tagged: 17.2, mechanical, Modal/Harmonic Response, structural-dynamics, structural-mechanics
    • January 25, 2023 at 7:34 am
      FAQFAQ
      Participant

      Bolt pretension is a loading condition so it is not available in a stand alone modal analysis. However if you wish to study the effects of bolt pretension on the modal characteristics of a model, you can run a pre-stressed modal analysis. The bolt pretension is simulated in the preceding static analysis and you can use pre-stress from static analysis in the modal analysis which will give the modal characteristics based on the bolt pretension.

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