FAQ 000303 EN

Calculation RFEM RSTAB

How are the signs of the member internal forces, for example the moments, defined in RFEM/RSTAB?

Answer

The bending moment My is positive if tensile stresses occur at the positive member face (in direction of the z-axis).

Mz is positive if compressive stresses occur at the positive member face (in direction of the y-axis).

The sign definition for torsional moments, axial forces, and shear forces conforms to the usual conventions:

These internal forces are positive if at the positive face they act in the positive direction.

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