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What is the difference between RF- / FE-LTB and RF- / STEEL Warping Torsion? Both expect the 7th Degree of freedom.

Answer

That's right, both add-on modules count on the 7th. Degree of freedom, warping.

The difference is that in RF- / FE-LTB, only the loads acting directly on the set of members are automatically detected. Loads from other structural components that are indirectly effective on the set of the RFEM implementations must be added manually as Extra Loads. In RF- / FE-LTB, a complete recalculation of the structure takes place.

RF- / STEEL Warping Torsion on the other hand analyzes the internal force diagrams from the calculation of the main program and then calculates the loads back. They will be newly applied and calculated. Thus, the input of the loading is omitted, which means a time saving.

Keywords

Difference warp twist 7. Degree of freedom steel construction steel design Eurocode 3 stress analysis theory II. Order EC3

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RSTAB Steel and Aluminium Structures
STEEL Warping Torsion 8.xx

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 Steel and Aluminium Structures
FE-LTB 8.xx

Add-on Module

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

Price of First License
900.00 USD
RFEM Steel and Aluminium Structures
RF-FE-LTB 5.xx

Add-on Module

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

Price of First License
900.00 USD
RFEM Steel and Aluminium Structures
RF-STEEL Warping Torsion 5.xx

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