Can I also determine the stiffness of an existing column instead of a fixed nodal support?


Yes, it works. For this, it requires the activation of the elastic foundation in the table "Edit nodal support". On the basis of some input parameters such as type of support, column shape, material and the column height, the program determines the springs of the column (see Fig. 1).

Another advantage in addition to the elastic support is that the surface area of the column cross-section is disabled during the result output. Therefore, singularities are hidden and thus the concrete design applies design cross‑sections.


Column Support type Support type Elastic surface Foundation Elastic nodal support Singularity


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RFEM Main Program
RFEM 5.xx

Main Program

Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

Price of First License
3,540.00 USD