Product Features

Useful Program Features

Dlubal Software programs and add-on modules include a wide range of powerful features.

Since our software is subject to continuous development, we are constantly adding new features. In doing so, we also take account of our customers' wishes.

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More than 45,000 users in 95 countries
One software package for all application areas
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Flexible modular concept, extensible according to your needs
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Proven software used in many well-known projects

Automatic preliminary form-finding of membrane surfaces

New

001397

RFEM RF-FORM-FINDING Modeling | Structure
If you activate the "Display shape" option in the shortcut menu, structural form changes of membrane surfaces are automatically focussed with the form-finding properties stored. This interactive graphics mode is based on the force density method.
- More information
Updating the Revit Model

New

001392

Building Information Modeling (BIM) RFEM RSTAB Import / Export & BIM

The direct interface with Revit allows you to update the Revit model according to the changes you have made in RFEM or RSTAB. Depending on the modification, the Revit objects may have to be regenerated (deleting the object and subsequent regeneration). The regeneration is performed on the basis of the RFEM/RSTAB model.
If you want to avoid this regeneration, activate the option "Update only materials, thicknesses, and sections." In this case, only the properties of the objects will be adjusted. Changes differing in material, surface thickness, and section are, however, not considered in this case.
Considering the Stiffness of Gas Solids in Nonlinear Time History Analysis

New

001390

Dynamic and Seismic Analysis Nonlinear Dynamics RFEM RF-/DYNAM Pro Calculation

The stiffness of gas given by the ideal gas law pV = nRT can be considered in the nonlinear dynamic analysis.
The calculation of gas is available for accelerograms and time diagrams for both the explicit analysis and the nonlinear implicit Newmark analysis. To determine the gas behaviour correctly, at least two FE layers for gas solids should be defined.
Eccentricity of Member Loads

New

001391

RFEM Calculation

For member loads of the load type "Force", you can define eccentricities. You can apply the load eccentricities by means of an absolute or relative offset.
It is recommended to use the large deformation analysis to consider all effects of eccentric loads.
Display of Forces and Deformations of Hinges and Releases

001378

RFEM Results
RFEM offers the following tables to display forces and deformations of hinges and releases:
- 4.45 Line Hinges - Deformations
- 4.46 Line Hinges - Forces
- 4.47 Member Hinges - Deformations
- 4.48 Member Hinges - Forces
- 4.49 Nodal Releases - Deformations
- 4.50 Nodal Releases - Forces
- 4.51 Line Releases - Deformations
- 4.52 Line Releases - Forces
The tables can be displayed in the prinout report. Moreover, the results in line hinges and line releases can be displayed graphically. It can be controlled by the Project Navigator - Results.
Bar Reinforcement Export to Revit

001377

Concrete Structures RFEM RSTAB RF-CONCRETE CONCRETE Import / Export & BIM Eurocode 2

The reinforcement concept from RF-/CONCRETE Members can be exported to Revit. Rectangular and circular cross-sections are possible at the moment. The reinforcement bars can be modified afterwards in Revit.
Imposed Line Deformation

001376

RFEM Modeling | Loading

Imposed line deformations can be defined for supported lines in RFEM. For example, foundation settlements can be simulated with this function.
Moreover, it is possible to define imposed rotations for lines.
Nonlinear Material Law for Membranes

001373

Tensile Membrane Structures Form-Finding and Cutting Patterns RFEM RF-MAT NL RF-FORM-FINDING Modeling | Structure

RFEM provides the option to couple surfaces with the stiffness types "Membrane" and "Membrane-Orthotropic" with the material models "Isotropic-nonlinearly elastic 2D / 3D" and "Isotropic Plastic 2D / 3D" (add-on module RF-MAT NL required).
This functionality allows you to simulate the nonlinear strain behavior of z. Eg ETFE films.
Torsional Design in RF-LAMINATE

001369

Timber Structures RF-LAMINATE Add-on Modules Eurocode 5

In the RF-LAMINATE add-on module for RFEM, the design of torsional shear stresses is possible in the superposition of net and gross cross-section values. The design is effected separately each in x- and y-direction. The loadings of the intersection points of cross-laminated timber panels are designed.
Warping Torsion Analysis in RF-/STEEL AISC

001370

Steel Structures Stability Analysis RF-/STEEL AISC RF-/STEEL Warping Torsion Design ANSI/AISC 360

By using the integrated module extension RF-/STEEL AISC Warping Torsion, the design according to the Steel Design Guide 9 can be performed in RF-/STEEL AISC.
The calculation is effected with 7 degrees of freedom according to the warping torsion theory and allows the realistic stability design including the consideration of torsion.

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