Stability Analysis Software
3D Finite Element Analysis and Design
Structural engineering FEA software RFEM is the basis of a modular software system. 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.
Analysis & Design of Frame/Beam/Truss Structures
Structural frame analysis and design software RSTAB contains a similar range of functions as RFEM, with special attention to frame and beam structures. Therefore, it is very easy to use and for many years it has been the best choice for structural analyses.
Stability Analysis According to Eigenvalue Calculation Method
RF-STABILITY/RSBUCK determines buckling modes and critical load factors of the model using the Eigenvalue Method. Therefore, it is especially suitable for linear and nonlinear analysis of stability behaviour.
Generation of Equivalent Geometric Imperfections and Pre-Deformed Initial Models
RF-IMP/RSIMP creates equivalent geometric imperfections (equivalent lateral loads) or a pre‑deformed initial model.
Warping Torsion Second-Order Analysis with 7 Degrees of Freedom
RF‑/STEEL Warping Torsion is an extension of the RF‑/STEEL EC3 add‑on module. It performs flexural-torsional and lateral‑torsional buckling analysis of members according to the second‑order theory with 7 degrees of freedom and application of imperfections with regard to mode shapes.
Plate Buckling Analysis for Plates With or Without Stiffeners
The PLATE-BUCKLING stand-alone program or RF-/PLATE-BUCKLING add-on module performs plate buckling analysis of rectangular plates according to the standard EN 1993-1-5.
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.
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.
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Calculation of Stiffened Buckling Panels According to EN 1993-1-5, 4.5
In SHAPE-THIN 8, the effective cross-section of stiffened buckling panels can be calculated according to EN 1993-1-5, Cl. 4.5.
The critical buckling stress is calculated according to EN 1993-1-5, Annex A.1 for buckling panels with at least 3 longitudinal stiffeners or according to EN 1993-1-5, Annex A.2 for buckling panels with one or two stiffeners in the compression zone. The design for torsional buckling safety is also performed.
- Which formula is used for the calculation of the elastic torsional buckling force for torsional buckling Ncr,T in RF‑/STEEL EC3?
- What is the purpose of the "Calculate eigenvector for unstable model..." option in RF‑STABILITY?
- In RF‑/STEEL EC3, I get an error message saying that the node with a support does not exist in the set of members. What is the reason?
- How can I perform a stability analysis or walls in RF‑CONCRETE Surfaces?
- What is the critical load factor and how is it possible to determine it?
- How does RF‑STABILITY or RSBUCK determine the buckling load? According to the manual calculation, the respective buckling loads should be about 10% higher.
- Why is it not possible to use result combinations in RF‑STABILITY? It is possible in RSBUCK indeed.
- Is it possible to import effective lengths from RF‑STABILITY or RSBUCK in RF‑/TIMBER Pro?
- Why are the stiffness modifications not taken into account when determining critical load factors in the RF‑STABILITY add-on module?
- What is the meaning of the warning message ER061) Minimum amplifier of design loads <1?
Associated Products
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
3,540.00 USD
Main Program
The structural engineering software for design of frame, beam and truss structures, performing linear and nonlinear calculations of internal forces, deformations, and support reactions
2,550.00 USD
Module Extension for RF-STEEL EC3 and RF-STEEL AISC
Warping torsion analysis according to the second-order theory with 7 degrees of freedom
850.00 USD
Add-on Module
Stability analysis according to the eigenvalue method
1,030.00 USD
Add-on Module
Stability analysis according to the eigenvalue method
670.00 USD
Add-on Module
Generation of equivalent geometric imperfections and pre-deformed initial structures for nonlinear calculations
760.00 USD
Add-on Module
Plate buckling analysis of rectangular plates with or without stiffeners
900.00 USD
