Graphical Display of Local z Surface Sides

Tips & Tricks

When calculating the surface reinforcement in RF‑CONCRETE Surfaces, the result values for both surface sides +/- z are available. If you are not sure which side of a surface is the positive or the negative z side, you can hide the local coordinate system of each surface in the RFEM Project Navigator - Display under ‘Model’ → ‘Surfaces’ → ‘Surface Axis Systems x,y,z’.

In the case of complex structures, this can quickly become confusing. Displaying multiple axis systems makes it difficult to recognize an incorrect direction of a surface, for example (see the figure on the top).

For a clearer representation, you can select a color display of the local surface sides in the Project Navigator - Display under ‘Colors According to’ → ‘+/- z Surface sides’. Because of the color display, it is possible to easily check the orientation of a surface. In the lower part of the figure, you can directly see that the circular wall has a negative surface side inside.

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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