We provide hints and tips to help you get started with the main programs RFEM and RSTAB.
The major axis of the cross-section (y-axis) in the 2D space is always oriented in the direction of the global Y-axis. The minor axis (z-axis) are not considered (as if it was completely undisplaceable).
In case of the cross-section rotations allowed, biaxial bending could occur since loads in the 2D space can only be defined in the X-Z plane. However, the resulting Vy, T and Mz portion would remain unconsidered. This is the reason why only those cross-section rotations are allowed for which the section local z-axis is directed to the X-Z plane.
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