We provide hints and tips to help you get started with the RFEM program.
Structural Engineering Software for Steel Structures | Dlubal Software
Video
First Steps with RFEM
Description
The structural analysis programs RFEM and RSTAB are the optimal steel or metal solution for the structural analysis of structures such as Buildings, halls, scaffolding, bridges, silos, cranes, craneways, masts, conservatories, steel girders, etc.
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Keywords:
#SteelStructure #Buckling #EN1993 #Earthquake #Craneway #Connections #JOINTS #FrameJoint #DynamicAnalysis #Design #EC #Eurocodes #BIM #BuildingInformationModeling #CAD #FEA #FiniteElements #FiniteElementMethod #StructuralDesign
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Videos
Models to Download
Knowledge Base Articles
Steel Frame Considering Connection Stiffness
This technical article analyzes the effects of the connection stiffness on the determination of internal forces as well as the design of connections using the example of a two-story, double-spanned steel frame.Screenshots
Product Features Articles
RF-/STEEL EC3 | Features
- Import of materials, cross-sections, and internal forces from RFEM/RSTAB
- Steel design of thin‑walled cross‑sections according to EN 1993‑1‑1:2005 and EN 1993‑1‑5:2006
- Automatic classification of cross-sections according to EN 1993-1-1:2005 + AC:2009, Cl. 5.5.2, and EN 1993-1-5:2006, Cl. 4.4 (cross-section class 4), with optional determination of effective widths according to Annex E for stresses under fy
- Integration of parameters for the following National Annexes:
DIN EN 1993-1-1/NA: 2015-08 (Germany)
ÖNORM B 1993-1-1: 2007-02 (Austria)
NBN EN 1993-1-1/ANB: 2010-12 (Belgium)
BDS EN 1993-1-1/NA: 2008 (Bulgaria)
DS/EN 1993-1-1 DK NA: 2015 (Denmark)
SFS EN 1993-1-1/NA: 2005 (Finland)
NF EN 1993-1-1/NA: 2007-05 (France)
ELOT EN 1993-1-1 (Greece)
UNI EN 1993-1-1/NA: 2008 (Italy)
LST EN 1993-1-1/NA: 2009-04 (Lithuania)
LU EN 1993-1-1: 2005/AN-LU: 2011 (Luxembourg)
MS EN 1993-1-1/NA: 2010 (Malaysia)
NEN EN 1993-1-1/NA: 2011-12 (Netherlands)
NS EN 1993-1-1/NA: 2008-02 (Norway)
PN EN 1993-1-1/NA: 2006-06 (Poland)
NP EN 1993-1-1/NA: 2010-03 (Portugal)
SR EN 1993-1-1/NB: 2008-04 (Romania)
SS EN 1993-1-1/NA: 2011-04 (Sweden)
SS EN 1993-1-1/NA: 2010 (Singapore)
STN EN 1993-1-1/NA: 2007-12 (Slovakia)
SIST EN 1993-1-1/A101: 2006-03 (Slovenia)
UNE EN 1993-1-1/NA: 2013-02 (Spain)
CSN EN 1993-1-1/NA: 2007-05 (Czech Republic)
BS EN 1993-1-1/NA: 2008-12 (United Kingdom)
CYS EN 1993-1-1/NA: 2009-03 (Cyprus)
- Automatic calculation of all required factors for the design value of flexural buckling resistance N b, Rd
- Automatic determination of the ideal elastic critical moment Mcr for each member or set of members on every x-location according to the Eigenvalue Method or by comparing moment diagrams. You only have to define the lateral intermediate supports.
- Design of tapered members, unsymmetric sections or sets of members according to the General Method as described in EN 1993-1-1, Cl. 6.3.4
- In the case of the General Method according to Cl. 6.3.4, optional application of 'European lateral-torsional buckling curve' according to Naumes, Strohmann, Ungermann, Sedlacek (Stahlbau 77 (2008), p. 748‑761)
- Rotational restraints can be taken into account (trapezoidal sheeting and purlins)
- Optional consideration of shear panels (for example trapezoidal sheeting and bracing)
- Module extension RF-/STEEL Warping Torsion (the licence is required) for stability analysis according to the second‑order theory as stress analysis, including consideration of the 7th degree of freedom (warping)
- Module extension RF-/STEEL Plasticity (the licence is required) for plastic analysis of cross‑sections according to Partial Internal Forces Method (PIFM) and Simplex Method for general cross‑sections (in connection with the RF‑/STEEL Warping Torsion module extension, it is possible to perform the plastic design according to the second‑order analysis)
- Module extension RF-/STEEL Cold-Formed Sections (license required) for ultimate and serviceability limit state designs for cold-formed steel members according to the EN 1993-1-3 and EN 1993-1-5 standards
- ULS design: Selection of fundamental or accidental design situations for each load case, load combination, or result combination
- SLS design: Selection of characteristic, frequent, or quasi-permanent design situations for each load case, load combination, or result combination
- Tension analysis with definable net cross-section areas for member start and end
- Weld designs of welded cross-sections
- Optional calculation of warp spring for nodal support on sets of members
- Graphic of design ratios on cross-section and in RFEM/RSTAB model
- Determination of governing internal forces
- Filter options for graphical results in RFEM/RSTAB
- Representation of design ratios and cross‑section classes in the rendered view
- Color scales in result windows
- Automatic cross-section optimization
- Transfer of optimized cross-sections to RFEM/RSTAB
- Parts lists and quantity surveying
- Direct data export to MS Excel
- Verifiable printout report
- Possibility to include the temperature curve in the report
