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A rigid member should only be able to absorb tensile forces or only compressive forces. What are the options for considering these nonlinearities in the calculation?

Answer

There are two options for defining the failure:

  1. Assignment of member nonlinearity
    For the member types "Beam" and "Rigid", you can define a member nonlinearity for each member. You can find the corresponding option in the "Settings" tab (see Figure 01).

  2. Assignment of nonlinear member hinges
    Alternatively, you can define a member end hinge with failure criterion for the member. For the desired degree of freedom, you can assign the hinge condition with nonlinearity accordingly (see Figure 02).

Keywords

Rigid member Nonlinearity Tension member Compression member Failure under tension Failure under compression

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  • Updated 11/19/2020

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