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RSECTION 1
Section Properties and Stress Analysis
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The stand-alone program RSECTION determines the section properties for any thin-walled and massive cross-sections and performs a stress analysis.
RSECTION can be connected to the FEA software RFEM and the structural frame analysis software RSTAB. Sections from RSECTION are also available in the RFEM and RSTAB library. Conversely, internal forces from RFEM and RSTAB can be imported into RSECTION.
You can enter the data graphically, in tables, by importing a DXF file, or via script.
Features
- Extensive library of rolled, parametric thin-walled and thick-walled cross-sections
- Extensible library for material properties
- Import of dxf files
- Cross-section properties of thin-walled or thick-walled cross-sections
- Ideal section properties of the cross-sections consisting of different materials
- Stress analysis
- Scripting with JavaScript
- Interface with MS Excel for exporting tables
- Printout report
Input
RSECTION contains an extensive library of rolled sections, as well as parametric thin-walled and massive cross-sections. They can be composed or complemented by new elements.
Graphical tools and functions allow for modeling complex section shapes in the usual way common for CAD programs. The graphical input supports, among other things, the setting of arcs, circles, ellipses, parabolas, and NURBS. As an alternative, it is possible to import a DXF file that is used as the basis for further modeling. It is possible to model a cross-section consisting of different materials.
Furthermore, a parameterized input allows you to enter the cross-section dimensions and internal forces in such a way that they depend on certain variables.
All inputs can also be done by means of scripts.
Calculation
RSECTION calculates all relevant cross‑section properties including the plastic limit internal forces. For sections consisting of different materials, RSECTION determines the ideal cross-section properties.
The stresses from axial force, biaxial bending moments and shear forces, primary and secondary torsional moment, as well as warping bimoment can be calculated for any cross-section shape. You can determine the equivalent stresses according to the stress hypothesis by von Mises, Tresca, and Rankine.
Results
All results can be evaluated and visualized in an appealing numerical and graphical form. Selection functions facilitate the targeted evaluation.
The printout report corresponds to the high standards of the FEA software RFEM and the frame analysis software RSTAB. Modifications are updated automatically.
Manual for RSECTION 1
Price

New
Thin-Walled Analysis in RSECTION 1
This article is discussing the thin-walled analysis method in RSECTION 1, with which the section properties for both gross and effective cross-sections are calculated analytically (based on the section’s elements).

New
Logical connection of the manual chapters with the "F1" help function. With the "F1" help function, the program opens the corresponding manual chapter from the currently viewed menu tab.-
Does the analysis method selected in RSECTION affect the cross-section design in RFEM/RSTAB?
- I would like to model a frame beam with a tapered cross-section. For this, I have created a member with the cross-section distribution "Tapered at member start". However, the resulting cross-section is displayed incorrectly in the rendering. What is the problem here?
- What is the difference between the "Finite Element Analysis" and the "Thin-Walled Analysis"?
- Where can I find the update reports, information about problem solving, and new features in RFEM 6 and RSTAB 9?
- We have purchased several online licenses. How can I move the authorization from one license to another?
- When trying to log in, I get an error message SSL handshake failed. What should I do?
- Can I import a SHAPE‑THIN cross-section into RFEM 6 or RSTAB 9?
- I would like to model a frame beam with a tapered cross-section. For this, I have created a member with the cross-section distribution "Tapered at member start". However, the resulting cross-section is displayed incorrectly in the rendering. What is the problem here?
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