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Useful Program Features
The Knowledge Base includes technical articles on a wide array of structural analysis and design topics.
These articles are intended to help you navigate through the Dlubal programs, learn efficient tips and tricks, and provide further insight to the program features.
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When designing a steel cross-section according to Eurocode 3, it is important to assign the cross-section to one of the four cross-section classes. Classes 1 and 2 allow for a plastic design, classes 3 and 4 are only for elastic design. In addition to the resistance of the cross-section, the structural component's sufficient stability has to be analyzed.
This article explains how to determine loads on the basis of the internal force situations defined in the RF-/STEEL Warping Torsion extension of the RF-/STEEL EC3 add-on module. Since this new program allows you to also analyze extracted chain-like beam structures in addition to entire chain-like beam structures, it is necessary to determine the loads of the partial structure separately. For this, a special transformation function has been developed, which determines new loads of all partial structures (depending on the internal forces calculated in RFEM/RSTAB) according to each load situation for geometrically nonlinear warping torsion analysis with seven degrees of freedom.
As of the program version x.06.1103, various optimizations are available. The RF‑/FOUNDATION Pro add‑on module has also been subjected to further development.
In RF-/FOUNDATION Pro, the foundation design requires the definition of corresponding loading (load cases, load combinations, or result combinations) for the different design situations (STR, GEO, UPL, or EQU).
In RF‑/FOUNDATION Pro, you now have the option to design a foundation at one or several nodes of the model. If you selected several nodes for the design of the foundation, the governing design criteria for all load cases are shown in the ‘2.2 Governing Design Criteria’ result window.
RF‑/FOUNDATION Pro now offers an improved graphical representation of the result details. To see them, go to Window 2.2 Governing Design Criteria after the calculation. The interactive graphic in this window allows you to view the individual design-relevant values for each computed design.
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