Torsion spring

emkrishna
emkrishna Altair Community Member
edited October 2020 in Community Q&A

i want to model a torsion spring, which create torsion in only cloclwise and freed in other direction, how to c

reate

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Answers

  • Adriano_Koga
    Adriano_Koga
    Altair Employee
    edited August 2020

    Assuming that you're using OptiStruct you can create a spring CBUSH and associate a PBUSH property.

    Imsode the PBUSH you are able to add a nonlinear curve (TABLED1) in the PBUSHT field for the rotational DOF.

    The TABLED1 you can create a force x displacement curve and add a stopper in CCW.

    Please take a look at OptiStruct documentation and look after PBUSH/PBUSHT

  • Adriano_Koga
    Adriano_Koga
    Altair Employee
    edited August 2020

    By the way, this is a nonlinear model, so you need to run a nonlinear static loadcase.

  • Adriano_Koga
    Adriano_Koga
    Altair Employee
    edited August 2020

    Here an example, using PBUSH1D. It is considering translational DOF, but the isea is the same.

    Unable to find an attachment - read this blog

  • emkrishna
    emkrishna Altair Community Member
    edited August 2020

     

     

    thank you sir

     

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