The structural analysis software RFEM 6 is the basis of a modular software system. The main program RFEM 6 is used to define structures, materials, and loads of planar and spatial structural systems consisting of plates, walls, shells, and members. The program also allows you to create combined structures as well as to model solid and contact elements.
RSTAB 9 is a powerful analysis and design software for 3D beam, frame, or truss structure calculations, reflecting the current state of the art and helping structural engineers meet requirements in modern civil engineering.
Do you often spend too long calculating cross-sections? Dlubal Software and the RSECTION stand-alone program facilitate your work by determining section properties of various cross-sections and performing a subsequent stress analysis.
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If you defined the result beam correctly, the FE mesh in the door lintel area may be too rough, which leads to rough inaccuracies in the results (in this case, shear forces; see Image 01).
We recommend creating about ten finite elements above the height of the door opening. For example, if the height above the door opening is 0.5 m, the target FE mesh width of 0.05 m is adequate in this area, so that the desired results are achieved (see Image 02: shear forces).
The settings are made globally (Menu → Calculation → FE Mesh Settings) or using the local FE mesh refinement.
The easiest case is a door lintel modeled directly on the line of the door opening without an offset. It is then necessary to generate extensions on the wall sides. In the end, the lintel thus consists of three members, as shown in Image 01.