How can I export my member structure from RFEM/RSTAB so I can continue to use it in my design program? In the case of the export to the *.dxf format, I only get centroid lines.


First, you should check if there is possibly a specific interface for the design program. If you use Revit or Tekla, the direct interfaces are available. There is also the option to export to the DSTV format. This is also supported by many programs.

Of course, the export to the *.dxf format is possible at any time. Since member structures are basically pure central axis models with the information about cross-section and material attached, you can only export the lines.
However, if you need a member as a 3D object, you can use the export into the Bentley ISM format. Please note that this requires the free Bentley Structural Synchronizer. You can find a link to this product at the end of this FAQ. The export can be easily run by clicking "File" - "Export."

Structural Synchronizer converts members into solid models. Then, a file with the *.ism.dgn extension is recorded. This format is supported by many design programs.


Bentley DGN ISM Export Member structure


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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

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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