Modeling & Meshing

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  3. Bushing joints using constant stiffness, it works fine, but when using tabular stiffness, why it does not work as expected?

Bushing joints using constant stiffness, it works fine, but when using tabular stiffness, why it does not work as expected?

Tagged: 19, Bushing Joint, constraints, coupling, Coupling and Constraints, mechanical, modeling-and-meshing, moment, mpc, rotation, structural-mechanics
    • January 25, 2023 at 7:34 am
      FAQFAQ
      Participant

      The tabular stiffness is for the relative MPC184 displacement, and sometimes there can be issues due to the sign convention and the fact that many only put in a portion of the load/deflection (moment/rotation) curves and do not put the negative portion. So, if there is no data, ANSYS will interpret as zero stiffness for the negative relative displacement. It is required to define load/deflection (moment/rotation) curves for both positive and negative deflection.

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