- More than 45,000 users in 95 countries
- One software package for all application areas
- Free support provided by experienced engineers
- Short learning time and intuitive handling
- Excellent price/performance ratio
- Flexible modular concept, extensible according to your needs
- Scalable license system with single and network licenses
- Proven software used in many well-known projects
Knowledge Base
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Why Dlubal Software?
Wind Simulation & Wind Load Generation
With the stand-alone program RWIND Simulation, wind flows around simple or complex structures can be simulated by means of a digital wind tunnel.
The generated wind loads acting on these objects can be imported to RFEM or RSTAB.
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Calculating Timber Panel Walls | 4. Wall design
This article describes the design of the timber panel walls due to the generated horizontal loads.
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Wind Comfort in Pedestrian Areas and Around Buildings
Buildings are structures surrounded by wind. The flow around it creates specific loads on the surfaces, which are to be used for the design in the structural design.
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Nonlinear Calculation of a Floor Slab Made of Steel Fiber Reinforced Concrete in the Serviceability Limit State with RFEM
Describing the procedure for the serviceability limit state design of a floor slab made of steel fiber reinforced concrete. This article shows how to perform the corresponding design for the SLS by means of the iteratively determined FEA results.
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Fire Resistance Design of a Column Under Axial Force
In this technical article, a hinged column with a centrally acting axial force will be designed by means of the RF-/STEEL EC3 add-on module according to EN 1993-1-2. We will use the National Annex of Germany here.
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Timber Column Design per the 2018 NDS Standard
Using the RF-TIMBER AWC module, timber column design is possible according to the 2018 NDS standard ASD method. Accurately calculating timber member compressive capacity and adjustment factors is important for safety considerations and design. The following article will verify the maximum critical buckling in RF-TIMBER AWC using step-by-step analytical equations per the NDS 2018 standard including the compressive adjustment factors, adjusted compressive design value, and final design ratio.
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Limiting Crack Widths According to DIN EN 1992-1-1 with and Without Direct Calculation in RF-CONCRETE
Eurocode 2 provides two ways to perform a crack width design. On the one hand, the crack width design according to 7.3.3 can be performed without direct calculation by means of tables for the limitation of the member spacing and diameter. On the other hand, the crack width wk can be determined directly according to 7.3.4 and compared with a limit value.
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Import Support Reaction as Load: Application and Functioning
When performing structural calculations, the derivation of forces from the roof to the foundations is one of the central tasks of the calculation in addition to the dimensioning of the cross-sections.
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Design Strip Consideration Acc. to ACI 318-19 and CSA A23.3:19 in RFEM
Reinforced concrete surface design for slabs, plates, and walls is possible in the RF-CONCRETE Surfaces module according to the ACI 318-19 or the CSA A23.3-19 standard. A common approach for slab design is the use of design strips for determining the average one-way internal forces over the width of the strip. This design strip method essentially takes a two-way slab element and applies a simpler one-way approach to determine the required reinforcement needed along the strip length.
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Dealing with Singularities When Determining Loads in RF-PUNCH Pro
In RF-PUNCH Pro, you can perform the punching shear design on wall corners and wall ends. The basis for the design is the punching load, which is automatically determined from the RFEM internal forces in the connected surface. Since the surface internal forces from the RFEM calculation may be subject to the influence of singularity locations, this can also have a negative influence on the determined punching load at the wall corner or end. This article describes possible optimization options that you can use to minimize this unfavorable influence.
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Calculating Effective Lengths on the Example of a Double-Story Frame
With the RF-STABILITY or RSBUCK add-on modules for RFEM and RSTAB, it is possible to perform eigenvalue analyzes for member structures in order to determine the effective length factors. The effective length coefficients can then be used for the stability design.
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Do you have questions or need advice?
Contact our free e-mail, chat, or forum support or find various suggested solutions and useful tips on our FAQ page.
Customer Support 24/7
In addition to our technical support (e.g. via chat), you’ll find resources on our website that may help you with your design using Dlubal Software.
First Steps
We provide hints and tips to help you get started with the main programs RFEM and RSTAB.
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Powerful and Capable Software
"I think the software is so powerful and capable that people will really value its power when they get properly introduced to it."
Dipl.-Ing. (FH) Maik Gehloff, MASc
9 August 2015
