Changing Global Coordinate System Subsequently

Tips & Tricks

Before creating a structural model, every user is giving thoughts to the boundary parameters of the system and how to best represent the model. Special attention should be paid to the orientation of the global coordinate system. In engineering, the global Z‑axis is usually orientated downwards (in the direction of the self‑weight), while it tends to be upwards in architecture. These differences can often lead to complications during modeling, for example, when you replace global models or DXF layers.

In RFEM and RSTAB, it is therefore possible to subsequently change the orientation of the global axes. You can specify the according settings in the General Data of a model.

Please note that when you subsequently change the axes with regard to the applied loading (also orientation dependent), you can very easily make mistakes. Therefore, this function should be used only as an exception.

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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

RSTAB Main Program
RSTAB 8.xx

Main Program

The structural engineering software for design of frame, beam and truss structures, performing linear and nonlinear calculations of internal forces, deformations, and support reactions