FAQ 003594 EN

19 September 2019

Gerhard Rehm Modeling | Loading RFEM RSTAB

I modified stiffnesses of members. However, this modification should only be considered for specific load combinations. What is the procedure?


To only consider the stiffness modification (see Figure 01) for certain load combinations, it is necessary to deactivate this option for the corresponding load combinations in the Calculation Parameters (see Figure 02).


Stiffness modification Stiffness reduction Stiffness



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RFEM Main Program
RFEM 5.xx

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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

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RSTAB 8.xx

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

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