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General Mechanical

General Mechanical

Topics related to Mechanical Enterprise, Motion, Additive Print and more.

Total forces and moments at the region of friction contact between 2 surfaces.

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    • Tiago.MELO.Guest
      Subscriber

      Hi everyone,

      I'm studying the effects of Out of Plane and In Plane bending of chain links. The FE model I'm working with consists of 1 central chain link and 2 half chain links, one at each extremity of the central chain link. One half link is fixed in all DOF and the other is free. I specified a friction contact between the elements at the surfaces where the links match with one another. The loads applied are an Axial Load and a Prescribed Rotation, applied to the free-end half link. 

      1) Is it possible to retrieve the total forces and moments at the region of friction contact between 2 surfaces? How can I do it using Ansys APDL functions? 

      Extra questions:

      2) By applying a prescribed rotation, how can I get the equivalent moment at the node where the prescribed rotation is applied? I know that M = E*I*(theta), but what would be the I? The mass moment of Inertia of my whole model? The area moment of inertia of the central link middle section? Is there another way of deriving it?

      I really appreciate your contribution in this topic! 

    • peteroznewman
      Subscriber

      An image of the geometry would be helpful.

    • Tiago.MELO.Guest
      Subscriber

    • peteroznewman
      Subscriber

      Answer to question 2 is to request a Reaction Moment result probe from the applied rotation that went into the remote point.

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