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Structural Dynamics

Structural Dynamics

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  3. Why does the Static analysis (actuator from workshop in RBD training ) with “Import Motion load” does not converge?

Why does the Static analysis (actuator from workshop in RBD training ) with “Import Motion load” does not converge?

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

      Question: I am doing a workshop on the rigid body dynamics. I am trying to use the RBD results on to a static analysis using “Export Motion Loads”. My static analysis can import all the loads needed, but the analysis won’t converge if I follow all the steps in the tutorial. Only if I add a fixed support, I can get covergence. Can you please tell me if the fixed support addition is needed or not. Workshop tutorial shows results even without any support. Answer: Try resolving static structural after turning on Weak springs (Mechanical >> Analysis Settings >> Solver Controls >> Weak Springs >> On )

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