Pre-tension in a cable

Altair Forum User
Altair Forum User
Altair Employee
edited October 2020 in Community Q&A

Hello,

I am trying to model a beam supported by tension only cables. At the moment I use a CGAP element to model the cable but ideally I would like to add some pre-tension.

Does anyone know how to model pre-tension in tension only cable?

Thanks in advance.

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Answers

  • Rahul Rajan_21763
    Rahul Rajan_21763 New Altair Community Member
    edited June 2016

    Are you using Optistruct solver for analysis?

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited June 2016

    Yes, I am using Optistruct.

  • Rahul Rajan_21763
    Rahul Rajan_21763 New Altair Community Member
    edited June 2016

    Bolt pretension is possible in optistruct using 1d & 3d elements.But to simulate tension in Cable Rod element is also good.

    Could you share snapshot of your model?

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited June 2016

    H Rahul,

    Thanks for your reply.

    The model is of a yacht mast.

    Depending on load direction it is possible for some cables to go slack. Therefore, I am not sure that Rod elements are correct since they can take compression.

     

     

     

     

    <?xml version="1.0" encoding="UTF-8"?>Mast.png

  • Rahul Rajan_21763
    Rahul Rajan_21763 New Altair Community Member
    edited July 2016

    would be nice if you give a try with Rod elements.

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