Define spring with E-Modul & Area

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

Hi, 

 

Is there a way to define a spring (pure tension spring) with an E-Modul and an Area instead of using the spring-constant k? I know, it is possible to calculate k with E*A / L_0 but I try to be independent of my L0 value. 

 

Thanks, Regards

Jonas

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Answers

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited July 2017

    Hi Jonas,

    I don't think it is possible. In all  the springs defined K value has to be provided.

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited July 2017

    Can I use beam-elements instead and use them as a spring (so that they only work in tension)?

     

    Regards, Jonas

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited July 2017

    Hi Jonas,

    Yes, you can model with beam elements.

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited July 2017

    Or would trus-elements work better as they are used only for axial forces?

    Is there a tutorial on this?

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited November 2020

    Hi,

    Truss elements are a subset of beam elements which have no bending degrees of freedom. Truss elements transmit force axially only. That is, these elements allow translation movement only and not rotation. Truss elements are normally used in conditions where no bending is expected.

    You can go through Example 7 - Pendulums in the Help Menu where truss elements are used. The model file is attached for your reference.

    Unable to find an attachment - read this blog

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