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FAQ 004221 EN

15 November 2019

Walter Fröhlich Modeling | Structure RFEM RSTAB

The cross-section suddenly twists within the member or continuous member. 
What is the cause, and how can I fix it?

Answer

It is caused by the automatic orientation of the local axes in relation to the global axis system. In most cases, it is sufficient to specify a member rotation using an angle or a help node. However, if the inclination of the member is reversed, it must be divided and then adjusted utilizing the member rotation.

You can find a detailed description of the member rotation angle in RSTAB and RFEM in the links below.

Keywords

Axis system Twisted Local axes Member axes

Links

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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

Price of First License
3,540.00 USD
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

Price of First License
2,550.00 USD