For support forces of a result combination, the maximum component is equal to zero. This cannot be true. The minimum force is alright.
To solve this problem, you have to define the load combinations included in the RC as Permanent:
RC1 = RC1/permanent or RC2/permanent or RC3/permanent.
In this way, the load combinations 1 to 3 will be compared. The most unfavorable value always gives the minimum and the maximum result.
result combination, RC, support force, support forces, criterion, permanent, variable
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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
The structural engineering software for design of frame, beam and truss structures, performing linear and nonlinear calculations of internal forces, deformations, and support reactions