The interface to Autodesk Revit is automatically installed during installation of RFEM or RSTAB. A subsequent installation of the plug‑in is possible through the execution of Revit-Installer.exe.
KB 000895 | Subsequent Installation of Revit Interface
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General
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This text outlines the benefits of using CFD (Computational Fluid Dynamics), particularly in contrast to conventional wind tunnel testing.
Validating CFD simulations with experimental data enhances accuracy by comparing simulation outcomes with real-world conditions. This process identifies discrepancies, allowing adjustments to enhance model reliability. Ultimately, it builds confidence in the simulation's ability to predict wind load scenarios.
Turbulence modeling in CFD, using URANS and DDES models, is essential for accurately simulating wind-structure interactions. URANS balances cost and unsteady flow capture, while DDES provides greater accuracy in complex flows at a higher computational cost.
When wind-induced surface pressures on a building are available, they can be applied on a structural model in RFEM 6, processed by RWIND 2, and used as wind loads for static analysis in RFEM 6.
In the wind simulation, it is possible to consider member coatings (for example, from ice loads).
In RFEM and RSTAB, you can visualize the flow field quantities of pressure, velocity, turbulence kinetic energy, and turbulence dissipation rate for the wind simulation.
The clipping planes are aligned with the respective wind direction.
If you have experimentally determined surface pressures available for a model, you can apply them to a structural model in RFEM 6, process them in RWIND 2, and use them as wind loads in the structural analysis of RFEM 6.
You can find out how to apply the experimentally determined values in this Knowledge Base article: Static Analysis with Wind Loads from Experimentally Measured Pressures Using RWIND 2 and RFEM 6
You can display the RWIND results directly in the main program. In the Navigator - Results, select the Wind Simulation Analysis result type from the list above.
Currently, the following results are available, which refer to the RWIND computational mesh:
- Surface pressure
- Surface cp coefficient
- Wall distance y+ (steady flow)
Are the models and presentations from Info Day 2020 freely available, and can you send them to me?
Where can I define a wind velocity diagram according to a specific wind standard for the numerical wind tunnel analysis in RWIND Simulation?
Which roof and ground plan shapes can be considered with the wind and snow load generators of RFEM/RSTAB?
Can I also use the wind load generator for open buildings?
Are the vertical wall surfaces included when generating wind loads via surface loads for an open building?
How do I determine wind loads on structures of any shape?
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