FAQ 001106 EN-US

Calculation RFEM RSTAB

For load combination, RSTAB and RFEM automatically perform the second-order analysis. Which criteria are used here? Can I deactivate this?

Answer

The method of analysis can be specified by the user.

In the result combinations, the results of the load cases and load combinations are just "brought together." You get an envelope of the internal forces (max and min values).

For load cases and load combinations, you have the option to specify the method of analysis in the "Calculation Parameters" dialog box (menu "Calculation"). You can calculate load cases and combinations by three methods separately. Because in result combinations the results of load cases and/or load combinations are evaluated, the result combinations can therefore contain results according to statically linear, second-order, or large deformation analysis.

For load cases and load combinations, the results are always unambiguous internal forces. For more information, see chapter 5.5 of the RSTAB or RFEM manual.

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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