The spatial FEA model offered very good options to analyze and design the load-bearing behavior of a special complex structure in a verifiable way. Due to the extremely high safety requirements concerning Germany's most famous landmark, the Brandenburg Gate, it was necessary to mount the support structure in two stages. The specific mounting situations could be modeled very well in RFEM.
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The ASCE 7-22 Standard [1], Sect. 12.9.1.6 specifies when P-delta effects should be considered when running a modal response spectrum analysis for seismic design. In the NBC 2020 [2], Sent. 4.1.8.3.8.c gives only a short requirement that sway effects due to the interaction of gravity loads with the deformed structure should be considered. Therefore, there may be situations where second-order effects, also known as P-delta, must be considered when carrying out a seismic analysis.
Lateral-Torsional Buckling (LTB) is a phenomenon that occurs when a beam or structural member is subjected to bending and the compression flange is not sufficiently supported laterally. This leads to a combination of lateral displacement and twisting. It is a critical consideration in the design of structural elements, especially in slender beams and girders.
Using an example of a steel fiber-reinforced concrete slab, this article describes how the use of different integration methods and of a different number of integration points affects the calculation result.
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In order to correctly design a downstand beam or a T-beam in RFEM 6 using the Concrete Design add-on, it is essential to determine the flange widths for the rib members. This article describes the input options for a two-span beam and the calculation of the flange dimensions according to EN 1992-1-1.
The deformation process of the global deformation components can be represented as a movement sequence.
Result values for deformations, internal forces, stresses, and so on, can be displayed on the isolines.
The results of solid stresses can be displayed as colored 3D points in the finite elements.
In addition to the "Mesh Refinement" and "Specific Direction" options for solids, you can also activate the "Grid for Results" option, which allows for organizing grid points in the solid space. Among other things, the center of gravity can be set as the origin. There is also the option to activate or deactivate the visibility of the grid for numerical results in "Navigator – Display" under Basic Objects.
How can the NDS and CSA O86 factors be manually adjusted for consideration in the Timber Design add-on?
What calculation is carried out for the NDS Strength Configuration "Calculation of Torsion" options?
Is it possible to influence the transverse distribution of a load in the case of the Isotropic | Masonry | Plastic material model?
What is the effect of the "Independent FE Mesh Preferred" option in the mesh settings?
How do I define a plastic hinge in RFEM 6?
The calculation in RFEM 6 takes a very long time, but the processor utilization of my system is low. Why is this?
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