Structural Dynamics

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  3. What should be the restitution factor value when CMS bodies are present in a Rigid Dynamics model?

What should be the restitution factor value when CMS bodies are present in a Rigid Dynamics model?

Tagged: 19, mechanical, Multibody, structural-dynamics, structural-mechanics
    • April 5, 2023 at 2:32 pm
      FAQFAQ
      Participant

      It depends on the situation but most of the times, a restitution factor of zero is recommended when working with CMS bodies. A restitution factor > 0 supposes instantaneous energy/velocity redistribution. While when flexible CMS body is present in a model, it experiences phases (there is a compression phase followed by an expansion phase.) which are not instantaneous due to the flexibility. Hence it is a bit contradictory to mix CMS with restitution factor > 0.

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