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    Menu | Application Area for Dlubal Programs RFEM and RSTAB
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    Dlubal API

    The new Dlubal API service (gRPC) provides you with a flexible interface to the structural analysis software based on Python and C#, with direct access to the entire Dlubal product range. Benefit from seamless and powerful integration into your Dlubal software—ideal for parametric modeling and complex optimization tasks.

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    Supported Design Standards

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    RFEM 6

    The structural analysis software RFEM 6 is the basis of a modular software system. The main program RFEM 6 is used to define structures, materials, and loads of planar and spatial structural systems consisting of plates, walls, shells, and members. The program also allows you to create combined structures as well as to model solid and contact elements.

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    RSTAB 9

    RSTAB 9 is a powerful analysis and design software for 3D beam, frame, or truss structure calculations, reflecting the current state of the art and helping structural engineers meet requirements in modern civil engineering.

    Add-ons for RSTAB 9
    Additional Analysis Dynamic Analysis Special Solutions Design
    RSTAB-Startmenü
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    RSECTION 1

    Do you often spend too long calculating cross-sections? Dlubal Software and the RSECTION stand-alone program facilitate your work by determining section properties of various cross-sections and performing a subsequent stress analysis.

    Add-on for RSECTION
    Effective Sections
    The image shows a software solution for the calculation of cross-section properties and stress analysis with FEM integration.
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    RWIND 3

    Do you always know where the wind is blowing from? From the direction of innovation, of course! With RWIND 3, you have a program at your side that uses a digital wind tunnel for the numerical simulation of wind flows. The program simulates these flows around any building geometry and determines the wind loads on the surfaces.

    RWIND 2 Banner
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    Geo-Zone Tool

    Are you looking for an overview of snow load zones, wind zones, and seismic zones? Then you are in the right place. Use the Geo-Zone Tool to determine quickly and efficiently snow loads, wind speeds, and seismic data according to ASCE 7, NBC, and other international standards.

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    Outdated Products

    • RFEM 5 | Ultimate Structural FEA Software
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Software for Steel Structures
HeiligA | Contact Box Image
How may I help you?

Do you have any questions about Dlubal products or need assistance in selecting the right one for your project?

I'm here to help. You can easily reach me through the contact options provided below.

Looking forward to hearing from you!

Amy Heilig, PE
CEO – USA Subsidiary | Sales Engineer

Working hours are from 09:00 to 15:00 Philadelphia time

+1 267 702 2815
[email protected]
Ask Individual Question
  • Mia – Your AI Expert
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Software for Steel Structures

Discover advanced software solutions for modeling, analysis, and design of steel structures with RFEM and RSTAB by Dlubal. Benefit from an intuitive user interface and a robust computation kernel that delivers precise calculation results.

Rely on Dlubal to optimize your structural steel projects. Our software supports you with comprehensive BIM integration for the efficient design and construction of steel structures of any size. Realize technical excellence and economic optimization with sustainable and innovative steel construction concepts.

Questions about steel structures? Mia is here for you right away!

  • Mia – Your AI Expert
Mia
Solution | Steel Structure

Efficiently Design and Analyze Steel Structures – Watch the Video Now!

Learn how RFEM (FEA program) and RSTAB (member structures) from Dlubal can transform your steel engineering projects.

VoltAir Office in Berlin, Germany (© J. MAYER H. and Partners, Architects mbB) © J. MAYER H. und Partner, Architekten mbB

Designed with Dlubal Software | VoltAir Office Facade

The new VoltAir office building in Berlin, Germany, has dimensions of 120 m x 65 m (393.7 ft x 213.2 ft) and a height of about 30 m (98.4 ft). The facade made of box elements forms the interior and exterior corners.

Entrance Building "Mitoseum" © ZAPF & CO. – STRUCTURAL ENGINEERING GMBH | www.zapf-co.de

Designed with Dlubal Software | Mitoseum in Dinosaur Park Kleinwelka, Germany

The reception building in Dinosaur Park Kleinwelka near Bautzen, Germany, resembles mitosis as an origin of life, and consists of 1,389 steel members in 269 nodes.

Suzhou Olympic Sports Center © Huana Engineering Consulting (Beijing) Co., Ltd., gmp Architects, Christian Gahl, Zeng Jianghe

Designed with Dlubal Software | Suzhou Olympic Sports Center, China

Suzhou Olympic Sports Center in Hudong Industrial Park is home to the largest single-layer cable membrane stadium roof in East Asia.

Structural Models | Steel Structures

  • Steel Hall
    Steel Hall
  • Model 004696 | Spiral Staircase
    Steel Spiral Staircase
  • Model 004774 | Diagonal Connection
    Diagonal Connection of Circular Steel Pipes
  • Stainless-Steel Tank
    Steel Container
  • Arch Bridge
    Steel Arch Bridge with Concrete Abutments
  • Hinged Support
    Hinged Support of Steel Column

Main Program RFEM or RSTAB

  • RFEM 6 – All Types of Structures
  • RSTAB 9 – Frame Structures
Icon representing RFEM 6, a finite element analysis software application.
RFEM 6 – FEA Software

The structural FEA engineering software RFEM allows for easy and efficient modeling, as well as the structural analysis and design of general 2D and 3D structures consisting of member, plate, wall, shell, solid, and contact elements.

The application areas of RFEM are diverse. The FEM package is used in a wide variety of industries and areas.

More Information
RFEM Banner

Why RFEM?

Many tasks can be completed using a single program.

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Free Customer Support and Service

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Intuitive Graphical User Interface

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First Steps with RFEM

Recommended Add-on Products for Steel Structures

Design of Steel Connections According to FEA

Steel Joints for RFEM 6
RFEM | Product Category Icon
Steel Joints for RFEM 6 Add-On

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.

Stresses and Strains of Members, Surfaces and Solids

Belt Connection, Stress
  • 3D Viewer | Google
  • 3D Viewer | Babylon
  • Virtual Reality
RFEM | Product Category Icon
Stress-Strain Analysis for RFEM 6 Add-On

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

Cross-Section Analysis of Any Cross-Sections

RSECTION - Cross-Sections
Cross-Sections | Product Category Icon
RSECTION 1 Cross-Section Properties

The stand-alone program RSECTION determines the section properties for any thin-walled and massive cross-sections.

Stability Analysis Software

Your browser does not support the video tag.
  • 3D Viewer | Google
  • 3D Viewer | Babylon
  • Virtual Reality
RFEM | Product Category Icon
Structure Stability for RFEM 6 Add-on

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

Lateral-Torsional Buckling with Warping Torsion

Your browser does not support the video tag.
  • 3D Viewer | Google
  • 3D Viewer | Babylon
  • Virtual Reality
RFEM | Product Category Icon
Torsional Warping (7 DOF) for RFEM 6 Add-on

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

Wind Simulation & Wind Load Generation

Your browser does not support the video tag.
  • 3D Viewer | Google
  • 3D Viewer | Babylon
  • Virtual Reality
Stand-Alone | Product Category Icon
RWIND 3 – Basic Stand-Alone

RWIND uses CFD technology to simulate wind flows on structures and transfer the resulting wind loads directly into RFEM or RSTAB for the structural analysis.

Building Model

CSA A23.3:19 Concrete Structure
  • 3D Viewer | Google
  • 3D Viewer | Babylon
  • Virtual Reality
RFEM | Product Category Icon
Building Model for RFEM 6 Add-On

The "Building Model" add-on simplifies the modeling and analysis of reinforced concrete buildings. It expedites the creation of building models and automates load generation, making it ideal for demanding reinforced concrete projects.

Construction Stages

Your browser does not support the video tag.
  • 3D Viewer | Google
  • 3D Viewer | Babylon
  • Virtual Reality
RFEM | Product Category Icon
Construction Stages Analysis (CSA) for RFEM 6 Add-on

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

Optimization of Model Parameters

Multi-Story Reinforced Concrete Building
  • 3D Viewer | Google
  • 3D Viewer | Babylon
  • Virtual Reality
RFEM | Product Category Icon
Optimization & Cost / CO2 Emission Estimation for RFEM 6 Add-On

The add-on uses particle swarm optimization (PSO) to determine optimal parameters for parameterized models based on weight, cost, or CO2 emissions.

Modal Analysis

Resulting Modular Analysis of Reinforced Concrete Structure
  • 3D Viewer | Google
  • 3D Viewer | Babylon
  • Virtual Reality
RFEM | Product Category Icon
Modal Analysis for RFEM 6 Add-On

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

RFEM 6: Perfect Structural Analysis Software for My New Company!

When I set up my company, I naturally looked for a structural analysis software package that would suit my needs (metal, timber, steel, glazed facades, curtain walls, skylights).

I decided on RFEM, because it meets all my needs, and I'd like to thank the DLUBAL Team for making it easy to pay, which allowed me to get started. RFEM is a tool that is very easy to use and allows you to generate design reports in a very short time.

I recommend it!

Julien Meynadier

BEFACE03
Chemin Des Landes, 03700, Bellerive sur Allier
France

le-triangle.fr
  • RFEM 6
  • Glass Structures & Facades
  • Steel Structures
    • Timber Structures
    • Facade Structures
    • France
Smart Decision for 3D Modeling of Steel Structures Using RFEM 6
After a detailed evaluation of the solutions available on the market, we have decided on RFEM by Dlubal for the structural analysis and design of our three-dimensional steel structures.

The software complies with the Eurocode standards, has an intuitive user interface, and exceptional transparency and display of input data and results. The technical support proved to be of the highest quality, combining patience, competence, and reactivity, which reinforced our confidence in this choice.
Mohamed Ayadi
Mohamed Ayadi

Le Triangle
Villeprovert, 41160, Morée
France

le-triangle.fr
  • RFEM 6
  • Structure Stability for RFEM 6
  • Torsional Warping (7 DOF) for RFEM 6
    • Stress-Strain Analysis for RFEM 6
    • France
Excellence in Structural Steel Analysis for Precise and Reliable Design Projects
The structural analysis software RFEM by Dlubal offers a powerful all-in-one solution for our engineers. Its precision and reliability make it an indispensable tool for the design of complex steel structures. With its user-friendly interface and advanced features, RFEM simplifies the process of the structural steel design and analysis.

Its advanced modeling capabilities allow for precise visualization of loads and constraints to ensure optimal results. RFEM represents excellence in structural steel design and offers unrivaled efficiency for projects of all sizes.
Christian Duverney

Duverney Ingénierie SARL
Avenue d'Italie, 73300, Saint Jean de Maurienne
France

  • RFEM 6
  • Steel Joints for RFEM 6
  • Steel Structures
    • France
Hand with Models
Models to Download

Response Spectrum Analysis

ASCE 7-16 Response Spectrum Analysis in RFEM
  • 3D Viewer | Google
  • 3D Viewer | Babylon
  • Virtual Reality
RFEM | Product Category Icon
Response Spectrum Analysis for RFEM 6 Add-On

The Response Spectrum Analysis add-on performs seismic analysis using multi-modal response spectrum analysis. The spectra required for this can be created in compliance with the standards or can be user-defined. The equivalent static forces are generated from them. The add-on includes an extensive library of accelerograms from seismic zones that can be used to generate the response spectra.

Time History Analysis

Time History Analysis for RFEM 6 / RSTAB 9
RFEM | Product Category Icon
Time History Analysis for RFEM 6 Add-On

The Time History Analysis add-on supports dynamic structural analyzes with external excitations, where the excitation functions can be defined as time functions or accelerogram.

Pushover Analysis

Product | Pushover Analysis
RFEM | Product Category Icon
Pushover Analysis for RFEM 6 Add-On

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.

Building Information Modeling (BIM)

Interfaces for Data Exchange

Dlubal Software is integrated seamlessly into BIM processes, allows for data exchange, and provides a webservice for reading and writing data.

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Support and Learning

We provide professional support and many services in order to help you with finding a quick and efficient solution for your projects.

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Silk Road International Exhibition Center, Xi’an, China (© CreatAR Images)

Silk Road International Exhibition Center

The Silk Road Exhibition Center is located northeast of the city of Xi'an, the starting point of the ancient Silk Road. Together with the International Conference Center, it forms the exhibition center complex.

  • Project Location

    Xi’an, China

  • Software

    RSTAB 8 – Frame & Truss Analysis Software

More About Customer Project
© Huana Engineering Consulting (Beijing) Co., Ltd. (SuP Ingenieure GmbH), gmp Architects, CreatAR Images
Mountain Station/Garaging Hall Zinsbergbahn, Brixen im Thale, Austria

Mountain Station/Garaging Hall Zinsbergbahn

The "Zinsbergbahn" project was certainly anything but standard and therefore, the Grabner Stahlbau team had to solve many unresolved challenges.

  • Project Location

    Brixen im Thale, Austria

  • Software

    RFEM 5 | Structural FEA Software

More About Customer Project
Simon Hausberger, Grabner Stahlbau | www.stahlbau-grabner.at
Suzhou Olympic Sports Center, China (© Huana Engineering Consulting (Beijing) Co., Ltd., gmp Architects, Christian Gahl, Zeng Jianghe)

Suzhou Olympic Sports Center

Suzhou is a well-known garden city in China, where nine of its classical gardens are listed as UNESCO World Heritage Sites. The project and design of Suzhou Olympic Sports Center are based on Chinese gardens in order to create a lively and publicly accessible sports park. The stadium roof is currently the largest single-layer cable network structure with membrane roofing in East Asia.

  • Project Location

    Suzhou, Jiangsu, China

  • Software

    RSTAB 8 | Structural Frame & Truss Analysis Software

More About Customer Project
© Huana Engineering Consulting (Beijing) Co., Ltd., gmp Architects, Christian Gahl, Zeng Jianghe

Integrated Standards for Steel Design

Standards for Steel Design

European Union | Flag EN 1993-1-1:2005 + AC:2009 (Eurocode 3)
European Union | Flag EN 1993-1-3:2010 (Eurocode 3rd | cold-formed sections)
Switzerland | Flag SIA 263 | 2013-01 (Swiss standard)
Italy Flag NTC | 2018-01 (Italian standard)
EN-GB | Flag BS 5950 | 2001-05 (British standard)
EN-US | Flag AISC 360-22 (US standard)
EN-US | Flag AISC 360-16 (US standard)
EN-US | Flag AISC 360-10 (US standard)
EN-US | Flag AISC 341-22 (US standard | seismic)
EN-US | Flag AISC 341-16 (US standard | seismic)
EN-US | Flag AISI S100-16 (US Standard | cold-formed sections)
India | Flag IS 800 | 2007-12 (Indian standard)
People's Republic of China | Flag GB 50017 | 2017-12 (Chinese standard)
People's Republic of China | Flag GB 50018 | 2002-09 (Chinese standard | cold-formed sections)
People's Republic of China | Flag GB 51022 | 2015 (Chinese standard)
People's Republic of China | Flag GB 51249 | 2017 (Chinese standard | Fire resistance)
Canada | Flag CSA S16-19 (Canadian standard)
Canada | Flag CSA S16-14 (Canadian Standard)
Canada | Flag CSA S136-16 (R2021) (Canadian Standard | cold-formed sections)
Australia | Flag AS 4100 | 2020-08 (Australian standard)
Russia | Flag SP 16.13330 | 2017-02 + Rev. 1 | 2019, Rev. 2 | 2020 (Russian standard)
Brazil Flag NBR 8800 | 2008-08 (Brazilian standard)
South Africa Flag SANS 10162-1 | 2011-05 (South African Standard)

Annex for EN 1993-1-1

DE | Flag DIN EN 1993-1-1/NA:2016-04 (Germany)
Austria | Flag ÖNORM EN 1993-1-1/NA:2015-12 (Austria)
Switzerland | Flag SN EN 1993-1-1/NA:2016-07 (Switzerland)
Bulgaria | Flag BDS EN 1993-1-1/NA:2015-10 (Bulgaria)
EN-GB | Flag BS EN 1993-1-1/NA:2016-07 (United Kingdom)
European Union | Flag CEN EN 1993-1-1/2015-06 (European Union)
Cyprus Flag CYS EN 1993-1-1/NA:2015-07 (Cyprus)
CS | Flag CSN EN 1993-1-1/NA:2016-06 (Czech Republic)
Denmark Flag DS EN 1993-1-1/NA:2015-07 (Denmark)
Greek Flag ELOT EN 1993-1-1/NA:2017-01 (Greece)
Estonia Flag EVS EN 1993-1-1/NA:2015-08 (Estonia)
Croatia Flag HRN EN 1993-1-1/NA:2016-03 (Croatia)
Ireland Flag I.S. I. 1993-1-1/NA:2016-03 (Irland)
Luxemburg Flag ILNAS EN 1993-1-1/NA:2015-06 (Luxembourg)
Iceland Flag IST EN 1993-1-1/NA:2015-11 (Iceland)
Lithuania Flag LST EN 1993-1-1/NA:2017-01 (Lithuania)
Latvia Flag LVS EN 1993-1-1/NA:2015-10 (Latvia)
Malaysia Flag MS EN 1993-1-1/NA:2010-01 (Malaysia)
Hungary Flag MSZ EN 1993-1-1/NA:2015-11 (Hungary)
Belgium Flag NBN EN 1993-1-1/NA:2015-07 (Belgium)
Flag of the Netherlands NEN EN 1993-1-1/NA:2016-12 (Netherlands)
France Flag NF EN 1993-1-1/NA:2016-02 (France)
Portugal Flag NP EN 1993-1-1/NA:2009-03 (Portugal)
Norway Flag NS EN 1993-1-1/NA:2015-09 (Norway)
Poland Flag PN EN 1993-1-1/NA:2015-08 (Poland)
Finland Flag SFS EN 1993-1-1/NA:2015-08 (Finland)
Slovenia Flag SIST EN 1993-1-1/NA:2016-09 (Slovenia)
Romania Flag SR EN 1993-1-1/NA:2016-04 (Romania)
Serbia SRPS EN 1993/NA:2021-02 (Serbia)
Singapore Flag SS EN 1993-1-1/NA:2019-05 (Singapore)
Sweden Flag SS EN 1993-1-1/NA:2015-06 (Sweden)
Slovakia Flag STN EN 1993-1-1/NA:2015-10 (Slovakia)
Belarus Flag TKP EN 1993-1-1/NA:2015-04 (Belarus)
Spain Flag UNE EN 1993-1-1/NA:2016-02 (Spain)
Italy Flag UNI EN 1993-1-1/NA:2015-08 (Italy)
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