General Mechanical

General Mechanical

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

Surface Edge to Surface Edge Contact

    • AbelBerhanemeskel
      Subscriber

      Hello Everyone,

      I was trying to model a bonded connection between to shell edges but I keep having this Error pop up "The normal of target element 46002 is not consistent with the normal of target element 46029 in real set 99. Please use the ENORM command to correct it." every time I tried Running it. Can Anyone help me solve this issue? I am trying to limit number of elements that's why I have two different mesh size. Shared topology would increase my number of elements or reduce/increase the standard mesh metrics. The bonded contact is at the boundary of the differing mesh sizes. When I use MPC in the formulation the Model solves but I get a weird stress at the boundary it doesn't have continuity.

      Thanks.

    • peteroznewman
      Subscriber
      The slice through the geometry to change mesh sizes is too close the the area of interest. Move the slices about 2 beam heights away from the joint you are studying. At that distance, the stress will be lower and any small discontinuity will be irrelevant. Continue to use the MPC formulation.n
    • AbelBerhanemeskel
      Subscriber
      Thanks peteroznewman I willl do that.n
    • wyp
      Subscriber
      If I want to model a frictional connection between shell edges, could I solve it by ansys? I have used the conta177 and targe170 to stimulate this contact, and I also tried using general contact, but the program always reports errors.....n
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