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Building Information Modeling (BIM) | Autodesk AutoCAD
Dlubal Software has set a goal to allow you to plan according to BIM. And this mission was undoubtedly successful!
Due to the numerous interfaces in the structural analysis programs RFEM and RSTAB, you can easily and conveniently exchange data with the common industry software (such as CAD programs).
AutoCAD by Autodesk is one of the most widely used CAD programs. The following overview presents the exchange options between RFEM / RSTAB and AutoCAD via the direct interface.
Our Solution for You:

Three-Dimensional Planning According to BIM Method
The structural analysis software provided by Dlubal Software can be integrated seamlessly into the Building Information Modeling (BIM) process.
Integration of RFEM / RSTAB in Autodesk AutoCAD

Import
Lines can be imported into RFEM either as lines or members. The names of layers are adopted as the cross-section names, and the first material from the predefined materials is assigned. However, if the section of the Dlubal cross-section library and the material are recognized from the layer name, they are adopted as well.

Export
The members are exported as lines from RFEM/RSTAB. The layers of these lines contain the information about the cross-sections and materials used. When exporting a DXF file from RFEM, it is possible to export the numbering, which is controlled by the navigator, in addition to the entire model - including the FE mesh.
Another option for exporting from RFEM/RSTAB is to transfer the results to a DXF file in the form of isolines. For this, you can specifically select various elements, such as isolines, FE mesh, values, and so on.

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

The Steel Design add-on performs the ultimate and serviceability limit state design checks of steel members according to various standards.
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The Steel Joints add-on for RFEM allows you to analyze steel connections using an FE model. The FE model is generated automatically in the background and can be controlled via the simple and familiar input of components.

The Torsional Warping (7 DOF) add-on allows you to consider cross-section warping as an additional degree of freedom.

The Nonlinear Material Behavior add-on allows you to consider material nonlinearities in RFEM for example, isotropic plastic, orthotropic plastic, isotropic damage).

The Structure Stability add-on performs stability analysis of structures. It determines critical load factors and the corresponding stability modes.

The Construction Stages Analysis (CSA) add-on allows for considering the construction process of structures (member, surface, and solid structures) in RFEM.

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

The Form-Finding add-on finds the optimal shape of members subjected to axial forces and tension-loaded surface models. The shape is determined by the equilibrium between the member axial force or the membrane stress and the existing boundary conditions.

The Modal Analysis add-on allows for the calculation of eigenvalues, natural frequencies, and natural periods for member, surface, and solid models.

Using the Pushover Analysis add-on, you can analyze the seismic actions on a particular building, and thus assess whether the building can withstand an earthquake.

The Building Model add-on for RFEM allows you to define and manipulate a building using stories. The stories can be adjusted in many ways afterwards. The information about stories and the entire model (center of gravity) is displayed in tables and graphics.

The Stress-Strain Analysis add-on performs general stress analysis by calculating the existing stresses and comparing them with the limit stresses.

The modern 3D structural analysis and design program is suitable for the structural and dynamic analysis of beam structures as well as the design of concrete, steel, timber, and other materials.

The Steel Design add-on performs the ultimate and serviceability limit state design checks of steel members according to various standards.

The Structure Stability add-on performs the stability analysis of structures. It determines critical load factors and the corresponding stability modes.

The Stress-Strain Analysis add-on performs a general stress analysis by calculating the existing stresses and comparing them to the limit stresses.

The Torsional Warping (7 DOF) add-on allows for considering cross-section warping as an additional degree of freedom when calculating members.

The Modal Analysis add-on allows for the calculation of eigenvalues, natural frequencies, and natural periods for member, surface, and solid models.

Earthquakes may have a significant impact on the deformation behavior of buildings. A pushover analysis allows you to analyze the deformation behavior of buildings and compare them with seismic actions. Using the Pushover Analysis add-on, you can analyze the seismic actions on a particular building, and thus assess whether the building can withstand the earthquake.

The Masonry Design add-on for RFEM allows you to design masonry using the finite element method. It was developed as part of the research project titled 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.

The Timber Design add-on performs the ultimate, serviceability, and fire resistance limit state design checks of timber members according to various standards.

The Multilayer Surfaces add-on allows you to define multilayer surface structures. The calculation can be carried out with or without the shear coupling.

The Aluminum Design add-on performs the ultimate and serviceability limit state design checks of aluminum members according to various standards.

With the Concrete Foundations add-on, you can design square and rectangular individual foundations. In addition to the reinforced concrete design, geotechnical verifications are also carried out. You also determine automatic reinforcement suggestions and receive detailed reinforcement plans and 3D renderings of the foundation structures.

The Concrete Design add-on allows for various design checks according to international standards. You can design members, surfaces, and columns, as well as perform punching and deformation analyses.

Concrete Design add-on allows for various design checks of members and columns according to international standards.

The Timber Design add-on performs the ultimate, serviceability, and fire resistance limit state design checks of timber members according to various standards.

The Aluminum Design add-on performs the ultimate and serviceability limit state design checks of aluminum members according to various standards.

With the Concrete Foundations add-on, you can design square and rectangular individual foundations. In addition to the reinforced concrete design, geotechnical verifications are also carried out. You also determine automatic reinforcement suggestions and receive detailed reinforcement plans and 3D renderings of the foundation structures.

The two-part Optimization & Costs / CO2 Emission Estimation add-on 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. Furthermore, this add-on estimates the model costs or CO2 emissions by specifying unit costs or emissions per material definition for the structural model.

The two-part Optimization & Costs / CO2 Emission Estimation add-on 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. Furthermore, this add-on estimates the model costs or CO2 emissions by specifying unit costs or emissions per material definition for the structural model.