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Structural Dynamics

Structural Dynamics

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  3. How to include effect of the magnetic attraction in bearings for a rotordynamic analysis?

How to include effect of the magnetic attraction in bearings for a rotordynamic analysis?

Tagged: 19, combin14, magnetic attraction, mechanical, negative stiffness, rotordynamics, structural-dynamics, structural-mechanics
    • January 25, 2023 at 7:34 am
      FAQFAQ
      Participant

      Usually, the effect of the magnetic attraction is considered by locally including some kind of a compression spring with a negative stiffness (the lower the radial clearance, the higher the attraction force is). In ANSYS Workbench one can use COMBIN14 to handle negative stiffnesses.

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