Newly Released Products

New Programs, Add-Ons, and Upgrades

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New programs and add-ons



The new generation of the 3D FEA software is used for the structural analysis of members, surfaces, and solids.

RFEM 6 has a modern design concept with add-ons integrated directly into the program.



The 3D structural analysis software RSTAB 9 has been extensively modernized. Add-ons that are integrated directly into the program allow the design of beam structures consisting of reinforced concrete, steel, timber, masonry, and so on.



The stand-alone program RSECTION calculates section properties of any thin-walled and thick-walled cross-sections, and performs a stress analysis. RSECTION combines the programs SHAPE-THIN and SHAPE-MASSIVE. Compared to these programs, the following new features have been added in RSECTION:

  • Graphical display of stress components
  • Scripting using Javascript


The stand-alone program RWIND 2 for the numerical simulation of wind flow is available as a Basic and Pro version. RWIND Pro allows the calculation of transient incompressible turbulent wind flows (in addition to the stationary ones in RWIND Basic).


Steel Joints

With the RFEM add-on Steel Joints, you can analyze steel connections by using an FE model. Modeling runs fully automatically in the background and can be controlled by the user via the simple and familiar input of components. The loads determined on the FE model are subsequently used for the design checks of the components according to EN 1993-1-8 (incl. National Annexes).


Building Model

The RFEM add-on Building Model allows you to define and manipulate a building by means of stories. The stories can be adjusted in many ways afterwards and the story slab stiffness can be selected. Information about the stories and also the entire model (center of gravity, center of rigidity) is displayed in tables and graphics.


Masonry Design

The RFEM add-on Masonry Design allows you to design masonry using the finite element method. It was developed as part of the research project DDMaS - Digitizing the design of masonry structures. The material model represents the nonlinear behavior of the brick-mortar combination in the form of macro-modeling.


Optimization & Costs / CO2 Emission Estimation

On the one hand, the two-part add-on Optimization & Costs / CO2 Emission Estimation finds suitable parameters for parameterized models and blocks via the artificial intelligence (AI) technique of particle swarm optimization (PSO) for compliance with common optimization criteria. On the other hand, this add-on estimates the model costs or CO2 emissions by specifying unit costs or emissions per material definition for the structural model.


Time-Dependent Analysis (TDA)

Time-Dependent Analysis (TDA) add-on allows you to consider time-dependent material behavior of members. Long-term effects, such as creep, shrinkage, and aging, can influence the distribution of internal forces, depending on the structure.


Web Service and API

Web service and API allow you to create your own desktop or web-based applications by controlling all objects included in RFEM 6 and RSTAB 9. By providing libraries and functions, you can develop your own design checks, effective modeling of parametric structures, as well as optimization and automation processes using the programming languages Python and C#.

Contact us

Contact Dlubal

Do you have any questions about our products or need advice on selecting the products needed for your projects?
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First steps

First steps

We provide information and tips to help you get started with the basic program RFEM and RSTAB.