General Mechanical

General Mechanical

Default contact auto detection off

    • greg2835
      Subscriber

      Is there a way to have contact auto detection off by default? We keep running into scenarios where auto detection is causing issues.

    • Surya
      Ansys Employee

      Hi @greg2835,

      The contact auto-detection can be turned off in the workbench by going to file>options>mechanical>turning off auto-detection. Please refer to the image attached. Hope this helps.

       

      Thanks,
      Surya

    • greg2835
      Subscriber

      I can't believe I missed that. Thanks Suyra.

    • peteroznewman
      Subscriber

      I can't believe Auto Detect Contact On Attach is turned on by default.  This is a terrible choice for users with associative CAD interfaces who don't realize it is an automatic feature. They bring in their geometry the first time, get a model working, usually by deleting many unhelpful contacts. Then they update the geometry and get hit with all those old contacts that they don't want and it's hard to discern the "new" contacts from the ones that were carefully checked during the model building task.

    • greg2835
      Subscriber

      Peter, I fully agree. In my lab, if we see erroneous results or convergence issues we assume we need to pay attention to mesh, load steps, contact "relief", etc. We don't immediately think that new contacts were generated without our knowledge.

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