Chapter 7.2.3 explains the difference between Standard supports and Elastic supports. If you are modeling soil interaction and you use a Standard support (fixed in Z) instead of an Elastic support (spring in Z), you are artificially creating a punching shear failure that doesn't exist in reality.
"The finite element calculation is only as good as the mesh." rfem 5 manual
Techniques for filtering results, such as using "Average Regions" to smooth out peak stresses in surface models. Chapter 7
This is where the manual separates experts from novices. This is where the manual separates experts from novices
The RFEM 5 manual contains a comprehensive table of numerical error messages.
You can model 1D members (beams, trusses), 2D surfaces (plates, walls, shells), and 3D solids.
It worked. The colored contours looked beautiful. You felt productive.