Nonlinear Structural Analysis Software

Consideration of Nonlinearities

In the structural analysis programs RFEM and RSTAB, it is possible to consider member nonlinearities (for example failure at compression/tension, slippage, tearing, creeping) as well as support and release nonlinearities such as failure, creeping, friction support, and so on.

In addition to linear static analysis and second-order analysis, there is also large deformation analysis available (for design of cables, for example). Moreover, RFEM supports the consideration of material nonlinearities such as plastification, concrete in cracked state, and many others.

FEM Analysis and Design of Structures

The structural analysis program RFEM is the basis of a modular software system. 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.

More about the main program RFEM

Analysis and Design of Beam Structures

The structural frame analysis and design program RSTAB contains a similar range of functions as RFEM. Due to the special attention to frameworks, it is even easier to use.

More about the main program RSTAB

Application of Nonlinear Material Laws

The RF-MAT NL add-on module allows the application of nonlinear material laws in RFEM.

More about RF-MAT NL

Plastic Design of Cross-Sections

The RF-/STEEL Plasticity is an extension of the RF‑/STEEL EC3 add‑on module. It allows for plastic design of cross‑sections according to Partial Internal Forces Method or Simplex Method.

RF‑/STEEL Plasticity Module Extension

Nonlinear Analysis of Reinforced Concrete

The RF-CONCRETE NL add-on module performs physical and geometrical nonlinear calculation of beam and plate structures consisting of reinforced concrete. The RF-CONCRETE Deflect add-on module allows for analytical deformation analysis of plate structures consisting of reinforced concrete.

Interfaces for Data Exchange

The structural analysis software provided by Dlubal can be seamlessly integrated into the Building Information Modeling (BIM) process. A variety of interfaces allows you to exchange data from digital building models with RFEM or RSTAB.

Building Information Modeling (BIM)

Support and Learning

Customer service is one of the fundamental pillars of the Dlubal Software company philosophy. We also offer you all the support you need for your daily work.

Customer Projects of Nonlinear Analysis

3D Steel Connection with RFEM Solid Elements, the Netherlands

For a project in Rotterdam, ADS Ertner used IDEA CONNECTION to analyze a structural steel connection. This program calculates steel connections utilizing the CBFEM method, where each thin-walled cross-section is modeled with nonlinear material properties, nonlinear bolts, and nonlinear welds.
Customer Projects of Nonlinear Analysis

Amphitheater in Bytom, Poland

Since August 2014, there has been an extraordinary new outdoor theater in Bytom, Poland.
From the structural engineering point of view, the timber structure consists of two parts (the theater stage and backstage) geometrically interconnected by a spatial-shaped roof. This gives the structure its remarkable design.
Customer Projects of Nonlinear Analysis

Dome of Louvre Abu Dhabi, United Arab Emirates

A new architectural highlight in the capital of the United Arab Emirates is the dome of Louvre Abu Dhabi.
The structure, consisting of steel, has a diameter of 590.5 ft and covers the new local branch of the Louvre Museum in Paris.
Customer Projects of Nonlinear Analysis

Supporting Frame Structure for Steeple Renovation in Kerpen, Germany

To perform renovations for the steeple of the St. Martinus parish in Kerpen, Germany, a scaffold was required. The designers had to meet a special challenge, as the frame construction had to be set up at the spire top without applying pressure anchors, which are usually used in scaffolding.
Customer Projects of Nonlinear Analysis

Shuter Street Bridge in Toronto, Canada

A glass pedestrian bridge with a length of 98.4 ft connects St. Michael's Hospital with the Li Ka Shing Knowledge Institute research center.
The supporting structure consists of several oval steel rings which are twisted together.
Customer Projects of Nonlinear Analysis

Hundertwasser Tower in Kuchlbauer's World of Beer in Abensberg, Germany

The Kuchlbauer tower is an architectural project built on the premises of the German brewery Kuchlbauer in Abensberg.
The tower was designed by F. Hundertwasser, who died in 2000 when the project was still in its planning stages.
Customer Projects of Nonlinear Analysis

Suspension Bridge in Pitigala, Sri Lanka

A very special project was carried out in Pitigala, Sri Lanka in 2013. A suspension bridge was designed, calculated, and built by 30 students of the university team known as "Engineers Without Borders".
The 11.8-foot-long bridge across the Bentara River with was constructed with pure manpower.
Customer Projects of Nonlinear Analysis

New Construction for a Bus Station in Aarau, Switzerland

A unique structure which roofs the main bus station in the Swiss town of Aarau was built at the end of 2013.
The canopy has a cloud-like shape and contains the largest single-chamber cushion in the world. It has a volume of 63,920 ft³ and a roofed area of 11,517 ft².
Customer Projects of Nonlinear Analysis

Tripper Car Bridge for Conveyor Belt System, Uzbekistan

A tripper car transporting material on the bridge.
The structure includes special cross-sections created in SHAPE‑THIN.

Contact Dlubal

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