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Thread: tie two deformable bodies through a few nodes

  1. #1

    Default tie two deformable bodies through a few nodes

    I want to glue/tie/fix the ede nodes of ligaments to the surface of deformable bones, which option on the contact menu is best? the "tied" interface one? is there any other better way?

    Cheers.

  2. #2
    Join Date
    Nov 2007
    Location
    Salt Lake City, UTAH
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    1,683

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    Yes, the tied interface is probably your best choice. That's the only option currently available for tying two non-conforming deformable meshes.

    Cheers,

    Steve.
    Department of Bioengineering, University of Utah
    Scientific Computing and Imaging institute, University of Utah

  3. #3
    Join Date
    Aug 2015
    Posts
    27

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    Hi both,

    I got a same question, but it is preferred to not define contact for the surfaces which I need to glue them. Is it still the only option for gluing two surfaces?

    Many thanks,
    Sara

  4. #4
    Join Date
    Nov 2007
    Location
    Salt Lake City, UTAH
    Posts
    1,683

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    Hi Sara,

    If I understand you just want to "glue" surfaces together without defining a contact interface? This is only possible if the meshes of the opposing surfaces are conforming. In other words, all the nodes of the opposing surfaces coincide. If that's the case, you can just merge the meshes in PreView. To do that, select one of objects and find the Attach button on the Mesh panel. Select the other object in object list you'll see there, check the "weld" option and click Apply. Note that you have to do this before you apply any boundary conditions. The merging may reassign node and facet numbers and as a result invalidate some boundary conditions. Please give this a try and let us know if that worked for you.

    Cheers,

    Steve
    Department of Bioengineering, University of Utah
    Scientific Computing and Imaging institute, University of Utah

  5. #5
    Join Date
    Aug 2015
    Posts
    27

    Default

    Hi Steve,

    Thanks very much for your reply. That works properly

    Many thanks and kind regards,
    Sara

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