Structural Engineering Software for Steel Structures

Structural Analysis & Design of Steel Structures

The structural analysis programs RFEM and RSTAB are the optimal solution for the structural analysis and design of steel structures such as steel buildings, steel halls, scaffoldings, bridges, silos, cranes, crane runways, masts, winter gardens, and so on.

RSTAB allows for design of member structures and RFEM for additional plate, wall, shell, and solid elements.

  • Steel Structure
  • Bionic Steel Structure
  • Steel Frame Structure

    Many structural engineers use the structural analysis software RFEM (FEA) or RSTAB (frames and trusses) for the structural analysis of steel halls.

    By using the powerful add-ons for design, you can perform all required design checks for ultimate limit state, stability, and serviceability according to various standards. It is also possible to perform dynamic analysis as well as additional design checks for fire resistance or fatigue.

    Customer Project | Steel Frame Structure

  • Terminal Building
  • Extension of Continuous Casting Plant

    RFEM and RSTAB are ideal for structural design and analysis of industrial structures. These are, for example, chemical, pharmaceutical, petrochemical process plants, production halls, containers, pipeline systems, large filters, and many others.

    RSTAB allows for design of member structures and RFEM for additional plate, wall, shell, and solid elements.

    Structural Analysis and Design of Industrial Plants

  • Spatial Steel Connection

    More complex 3D steel connections can be modeled and designed utilizing the structural FEM analysis software RFEM. The connection is modeled with surface and possibly solid elements.

    In order to consider the contact effects as well as the plastic material behavior, nonlinear geometric and physical properties are activated in RFEM.

    Structural Analysis and Design of Steel Connections

  • Facade Structure

    The structural analysis programs RFEM (FEA) and RSTAB (frames and trusses) as well as the stand-alone program RSECTION (cross-sections) perform the design of facade structures, such as glass facades, curtain walls, double facades, element facades, and so on.

    RWIND allows you to simulate wind flows around buildings or any other objects by means of a digital wind tunnel and to generate wind loads.

    Calculation of Facade Structures

  • Steel Offshore Structure

    The analysis and design of offshore structures such as drilling platforms, wind power plants, research platforms, and many others, applies many features of RFEM and RSTAB.

    These features include the analysis of structures consisting of several materials, dynamic analysis, stability analysis, fatigue designs, generation of loads due to rotation, wind simulation, and other functions.

    Offshore Structural Analysis Software

  • Steel Hall
  • Steel dome
  • Steel Bridge

    Many users rely on structural analysis software RFEM (FEA) and RSTAB (frames and trusses) when analyzing and designing bridges consisting of steel.

    By using the powerful add-ons, it is possible to generate influence lines, moving loads on members and surfaces, and more. You can also perform dynamic analyses as well as the required design checks of stability, serviceability limit state, fatigue, and buckling.

    Structural Analysis | Bridges

Structural FEM Analysis and Design

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

Structural Frame & Truss Analysis Software

The structural frame and truss analysis software RSTAB 9 has similar functions as the FEA software RFEM. Due to the special attention to beam, frame, or truss structures, it is very easy to use and for many years, it has been the best choice for structural analysis and design of pure structural member models.

Wind Simulation & Wind Load Generation

The RWIND 2 stand-alone program is recommended for complex structures. Utilize this program to simulate wind flow (digital wind tunnel) around buildings or any other objects and generating wind loads, that is the forces acting on these objects based on CFD.

Import the generated wind loads acting on these objects to the structural analysis and design software RFEM or RSTAB.

Stress Analysis of Member and Surface Structures

The Stress-Strain Analysis add-on for RFEM 6 / RSTAB 9 performs a general stress analysis by calculating the existing stresses and comparing them with the limit stresses.

Design of Members According to Various Standards

The Steel Design add-on for RFEM 6 / RSTAB 9 designs steel members for the ultimate and the serviceability limit state according to the standards:

  • European Union EN 1993-1-1:2005 + AC:2009 (Eurocode 3)
  • United States AISC 360-16 (US standard)
  • Canada CSA S16-19 (Canadian standard)
  • India IS 800 | 2007-12 (Indian standard)
  • People's Republic of China GB 50017 | 2017-12 (Chinese standard)
  • Russia SP 16.13330 | 2017-02 (Russian standard)

Design of Steel Connections According to Finite Element Method

The Steel Joints add-on for RFEM 6 analyzes steel connections by using an FE model.

Warping Torsion Second-Order Analysis with 7 Degrees of Freedom

The Torsional Warping (7 DOF) add-on for RFEM 6 / RSTAB 9 allows you to consider the cross-section warping as an additional degree of freedom when calculating members in RFEM and RSTAB.

Stability Analysis According to Eigenvalue and Incremental Method

The Structural Stability add-on for RFEM 6 / RSTAB 9 calculates critical load factors and the corresponding stability modes according to the eigenvalue method and the incremental method. Therefore, it is suitable for the linear and nonlinear analysis of the structural stability behavior.

Generation, Analysis, and Evaluation of Building Models

The Building Model add-on for RFEM 6 allows you to define and manipulate a building by means of stories. The stories can be adjusted in many ways afterwards. Information about the stories and also the entire model (center of gravity) is displayed in tables and graphics.

Consideration of Construction Stages

The Construction Stages Analysis (CSA) add-on for RFEM 6 allows you to consider the construction process of structures (member, surface, and solid structures). Neglecting the influence of the construction process can lead to errors in the calculation of overall models. With the Construction Stages Analysis (CSA) add-on, you can analyze these influences and consider them up to the point of the structural design.

Model Optimization Using Artificial Intelligence (AI)

The two-part Optimization & Costs / CO2 Emission Estimation add-on for RFEM 6 / RSTAB 9 finds suitable parameters for parameterized models and blocks using the artificial intelligence (AI) technique of particle swarm optimization (PSO) to comply with common optimization criteria. Moreover, this add-on estimates the model costs or CO2 emissions by specifying unit costs or emissions per material definition for the structural model.

Structural Dynamic Analysis

Add-on modules for dynamic analyses in RFEM 6 / RSTAB 9 are suited for seismic design, vibration analysis of buildings, machine foundation design, natural frequency analysis for bridges and chimneys, and many other dynamic calculations.

Section Properties of Any Cross-Section

The RSECTION 1 program determines cross-section properties, analyzes stresses, and performs plastic design of any cross-section.

The Effective Sections extension for RSECTION determines effective sections according to EN 1993‑1‑5 and EN 1993‑1‑3. The cross-sections and the calculated cross-section properties can be exported to RFEM or RSTAB.

Structures with Cold-Formed Cross-Sections

With the extension RF-/STEEL Cold-Formed Sections for RFEM 5 / RSTAB 8 and the cross-section properties software SHAPE‑THIN (as of Version 9 and higher), you can design general cold-formed sections according to EN 1993‑1‑3 and EN 1993‑1‑5.

Plastic Design of Steel Cross-Sections

RF‑/STEEL Plasticity is an extension of the RF‑/STEEL EC3 add-on module for RFEM 5 / RSTAB 8. This allows for the plastic design of cross-sections according to the partial internal forces method (TSV) and simplex method.

Generation of Imperfections

The RF‑IMP/RSIMP add-on module for RFEM 5 / RSTAB 8 is used to generate equivalent geometric imperfections (equivalent loads) or a pre-deformed equivalent model.

Fatigue Design of Members

The RF‑/STEEL Fatigue Members add-on module for RFEM 5 / RSTAB 8 allows you to perform fatigue design of steel members or member sets according to EN 1993‑1‑9.

Design of Steel Connections According to Analytical Method

For the design of steel and timber connections, RFEM 5 / RSTAB 8 provides further powerful add-on modules.

Design of Crane Runway Girders

The CRANEWAY stand-alone program calculates and performs all required design checks of crane runway girders according to Eurocode 3. You can optionally select between bridge or suspension cranes.

Plate Buckling Analysis and Design for Plates with or Without Stiffeners

The PLATE‑BUCKLING stand-alone program or the RF‑/PLATE‑BUCKLING add-on module for RFEM 5 / RSTAB 8 allow for buckling safety design of rectangular plates according to the standard EN 1993‑1‑5.

Data Exchange Interfaces

The structural analysis software provided by Dlubal Software can be integrated seamlessly into the Building Information Modeling (BIM) process. The large number of interfaces ensures the data exchange of digital building models with RFEM or RSTAB.

The web service (programmable interface) can be used to read or write data from/to RFEM and RSTAB.

Support and Learning

Customer service is a fundamental pillar of the Dlubal Software company philosophy. We provide any necessary support you need to complete your daily work:

Contact Us

Contact Dlubal

Do you have any questions about our products or which are best suited for your design projects? Contact us via phone, email, or chat or find suggested solutions and useful tips on our FAQ page available 24/7.

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[email protected]

Models to Download

Models to Download

Here you can find a variety of structural analysis models for steel structures, which you can use for training purposes or for your projects.

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Wind Simulation & Wind Load Generation

With the stand -alone program RWIND Simulation, you can simulate wind flows around simple or complex structures by means of a digital wind tunnel.

The generated wind loads acting on these objects can be imported to RFEM or RSTAB.

RFEM 5
RFEM

Main Program

Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids, and contact elements

Price of First License
3,540.00 USD
RSTAB 8
Structural Frame Analysis Software RSTAB

Main Program

Structural engineering software for designing frame, beam, and truss structures, as well as performing linear and nonlinear calculations of internal forces, deformations, and support reactions

Price of First License
2,550.00 USD
RFEM 5
RF-STEEL

Add-on Module

Stress analysis of steel surfaces and members

Price of First License
1,030.00 USD
RFEM 5
RF-STEEL AISC

Add-on Module

Design of steel members according to the American standard ANSI/AISC 360

Price of First License
1,480.00 USD
RFEM 5
RF-STEEL EC3

Add-on Module

Design of steel members according to Eurocode 3

Price of First License
1,480.00 USD
RFEM 5
RF-STEEL IS

Add-on Module

Design of steel members according to the Indian standard IS 800:2007

Price of First License
1,480.00 USD
RFEM 5
RF-STEEL GB

Add-on Module

Design of steel members according to the Chinese standard GB 50017-2003

Price of First License
1,480.00 USD
RFEM 5
RF-STEEL CSA

Add-on Module

Design of steel members according to the Canadian standard CSA S16

Price of First License
1,480.00 USD
RFEM 5
RF-STEEL AS

Add-on Module

Design of steel members according to the Australian standard AS 4100-1998

Price of First License
1,480.00 USD
RFEM 5
RF-STEEL NTC-DF

Add-on Module

Design of steel members according to the Mexican standard NTC-DF 2004

Price of First License
1,480.00 USD
RFEM 5
RF-STEEL SP

Add-on Module

Design of steel members according to the Russian standard SP 16.13330.2011

Price of First License
1,480.00 USD
RFEM 5
RF-STEEL SANS

Add-on Module

Design of steel members according to the South African standard SANS 10162-1:2011

Price of First License
1,480.00 USD
RFEM 5
RF-STEEL NBR

Add-on Module

Design of steel members according to the Brazilian standard ABNT NBR 8800:2008

Price of First License
1,480.00 USD
RFEM 5
RF-STEEL HK

Add-on Module

Design of steel members according to the Code of Practice for the Structural Use of Steel 2011 (Buildings Department - Hong Kong)

Price of First License
1,480.00 USD
RFEM 5
RF-STEEL SIA

Add-on Module

Design of steel members according to the Swiss standard SIA 263

Price of First License
1,480.00 USD
RFEM 5
RF-STEEL Warping Torsion

Module Extension for RF-STEEL EC3 and RF-STEEL AISC

Warping torsion analysis according to the second-order theory with 7 degrees of freedom

Price of First License
850.00 USD
RFEM 5
RF-STEEL Plasticity

Module Extension for RF-STEEL EC3

Plastic design of cross-sections according to the Partial Internal Forces Method (PIFM) and Simplex Method

Price of First License
850.00 USD
RFEM 5
RF-STEEL Fatigue Members

Add-on Module

Fatigue design of members and sets of members according to EN 1993-1-9

Price of First License
1,120.00 USD