I used this software for my Master's thesis and I could handle it very well. It is intuitive and quick to learn; excellent results can be achieved immediately. The only thing I did not like was that I did not have a Mac version, but I hope that it will be available soon. Apart from that, it works fine. I can recommend it!
For design objects, you can optionally display sags or extreme results.
The results of solid stresses can be displayed as colored 3D points in the finite elements.
The number of degrees of freedom in a node is no longer a global calculation parameter in RFEM (6 degrees of freedom for each mesh node in 3D models, 7 degrees of freedom for the warping torsion analysis). Thus, each node is generally considered with a different number of degrees of freedom, which leads to a variable number of equations in the calculation.
This modification speeds up the calculation, especially for models where a significant reduction of the system could be achieved (for example, trusses and membrane structures).
Display extended strains of members, surfaces, and solids (for example, the important principal strains, equivalent total strains, and so on) in the Project Navigator - Results in RFEM as well as in Table 4.0.
For example, you can display governing plastic strains when performing the plastic design of connections with surface elements.