Which turbulence setting should be used for the numerical wind load generation on buildings?

Answer

The RWIND Simulation program provides an optional consideration of the k‑ε and k‑ω turbulence models for the numerical flow simulation. The necessary turbulence parameters can be specified manually or determined automatically from a user-defined turbulence intensity value. In the standard setting, the turbulence intensity is set to 1%. This value is based on the recommendation by the CFD Support company, which has many years of experience in the field of numerical flow simulation.


Figure 01 - Effect of Turbulence Intensity

In RWIND Simulation, the turbulence model is organized in the "Parameters of Simulation" menu under the "Turbulence" tab.


The interface menu in RFEM or RSTAB organizes the turbulence model for the automated calculation of wind loads in the background in the menu "Simulate and Generate Wind Loads" under the "Settings" tab.



Keywords

Turbulence Wind vortex CFD

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Compatible Programs RWIND Simulation
RWIND Simulation 1.xx

Stand-Alone Program

Stand-alone program for numerical simulations of wind flow around buildings or any other objects. The generated wind loads acting on these objects can be imported into RFEM / RSTAB programs for static and dynamic analysis.

Price of First License
2,690.00 USD