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Is it possible to set a plastic calculation of the internal forces in RSTAB or are the internal forces exclusively calculated elastically?

Answer

In RSTAB there is also the possibility to determine plastic internal forces. To do this, one must select a plastic joint as non-linearity via the rod properties (see Figure 1). However, this does not involve interaction of the plastic forces. Another possibility is to directly set joints with nonlinear properties. However, with this method you have to estimate in advance where these joints form.

In RFEM it is possible to select a corresponding material model (see Figure 2).

Keywords

Plastic internal forces Plastic bar features Plastic material Nonlinear material Plastic joint

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RSTAB Main Program
RSTAB 8.xx

Main Program

The structural engineering software for design of frame, beam and truss structures, performing linear and nonlinear calculations of internal forces, deformations, and support reactions

Price of First License
2,550.00 USD