FAQ 003298 EN-US

Helpful Questions & Answers

  • Frequently Asked Questions (FAQs)

What are the options in RFEM or RSTAB for determining the ideal elastic critical moment for any cross-sections and systems/loads?
Is it also possible to design flat steel (brackets, flat steel stringers of staircases)?

Answer

For a stability analysis of any cross-section, the add-on modules RF‑/STEEL EC3 Warping Torsion (extension for RF‑/STEEL EC3) and RF‑/FE‑LTB (stand-alone module) are particularly suitable.
By using the calculated critical buckling value, you can determine critical loads and perform the design according to the second-order analysis.

Keywords

Stability analysis Lateral-torsional buckling Elastic critical moment General cross-section

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  • Updated 04/07/2022

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RFEM 5
RFEM

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 8
RSTAB

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
RSTAB 8
STEEL EC3

Add-on Module

Design of steel members according to Eurocode 3

Price of First License
1,480.00 USD
RSTAB 8
STEEL Warping Torsion

Module Extension for STEEL EC3 and RF-STEEL AISC

Warping torsion analysis according to the second-order theory with 7 degrees of freedom

Price of First License
850.00 USD
RSTAB 8
STEEL AISC

Add-on Module

Design of steel members according to the American standard ANSI/AISC 360

Price of First License
1,480.00 USD
RFEM 5
RF-STEEL Warping Torsion

Module Extension for RF-STEEL EC3 and RF-STEEL AISC

Warping torsion analysis according to the second-order theory with 7 degrees of freedom

Price of First License
850.00 USD
RFEM 5
RF-STEEL EC3

Add-on Module

Design of steel members according to Eurocode 3

Price of First License
1,480.00 USD
RSTAB 8
FE-LTB

Add-on Module

Lateral-torsional buckling analysis of members according to the second-order analysis (FEM)

Price of First License
900.00 USD
RFEM 5
RF-FE-LTB

Add-on Module

Lateral-torsional buckling analysis of members according to the second-order analysis (FEM)

Price of First License
900.00 USD