Is it possible to also use nonlinear material behavior in the time history analysis?

Answer

To be able to consider nonlinearities in dynamics, the RF-/DYNAM Pro - Nonlinear Time History add-on module for RFEM/RSTAB is required. This module is different in RSTAB and RFEM, depending on the type of nonlinearities to be applied.

RSTAB - Nonlinear Time History

  • Nonlinear member types such as tension and compression members, as well as cables
  • Member nonlinearities such as failure, tearing, and yielding under tension or compression
  • Support nonlinearities such as failure, friction, diagram, and partial activity
  • Hinge nonlinearities such as friction, partial activity, diagram, and fixed for positive or negative internal forces

RFEM - Nonlinear Time History 

In addition to the nonlinearities mentioned above, it is also possible to work with nonlinear material behavior.

Keywords

Nonlinear Nonlinearity Time History Time History Analysis

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RFEM Main Program
RFEM 5.xx

Main Program

Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

Price of First License
3,540.00 USD
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
RFEM Dynamic Analysis
RF-DYNAM Pro – Nonlinear Time History 5.xx

Add-on Module

Nonlinear dynamic analysis to external excitations

Price of First License
1,120.00 USD
RSTAB Dynamic Analysis
DYNAM Pro – Nonlinear Time History 8.xx

Add-on Module

Nonlinear dynamic analysis to external excitations

Price of First License
1,120.00 USD