We provide hints and tips to help you get started with the RFEM program.
CP 001147 | 3D Steel Connection with RFEM Solid Elements, Netherlands
Video
First Steps with RFEM
Description
For a project in Rotterdam, ADS Ertner used IDEA CONNECTION to analyze a structural steel connection. This program calculates steel connections utilizing the CBFEM method, where each thin-walled cross-section is modeled with nonlinear material properties, nonlinear bolts, and nonlinear welds. In order to transfer loads, ADS Ertner needed to use blocks in the connection model. In IDEA CONNECTION, blocks are not easily integrated with thin-walled plates.
Keywords
Dlubal Customer Project 3D Steel Connection Customer Project Project with Dlubal Software Dlubal Practical Example
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Parametrization of Rolled Cross-Sections
Rolled sections, the most common cross‑section type in RFEM and RSTAB, can also have user‑defined parameters.

Create 3D glTF Models (*.glb and *.glTF Formats)
RFEM and RSTAB models can be saved as 3D glTF models (*.glb and *.glTF formats). View the models in 3D in detail with a 3D viewer from Google or Baylon. Take your VR glasses, such as Oculus, to "walk" through the structure.
You can integrate the 3D glTF models into your own websites using JavaScript according to these instructions (as on the Dlubal website Models to Download).
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During the installation, I get the error message R6025. What should I do?
- Is it possible to open an RFEM 5 or RSTAB 8 file in a previous program version?
- RFEM and RSTAB crash at the moment of starting the program. I work with a 3D mouse. Where is the problem?
- The output of extreme values is not displayed. Where can I activate the MAX/MIN info?
- I need many mode shapes to achieve a sum of 90% effective modal mass. Can I limit the number of mode shapes for generating equivalent loads?
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I am trying to import a DXF file. The file can be imported into the model, but it does not have the correct scale. Where is the problem?
- Is the German National Annex 2021‑07 to Eurocode 8 available in RFEM 5 / RSTAB 8?
- How can I permanently save the parameters in the "Units and Decimal Places" dialog box?
- Can I export a response spectrum from RFEM 6 and use it in RFEM 5, for example?
- I have deactivated objects by load case. Why are they still considered in the calculation in the corresponding load case?