LES: Unsteady Atmospheric Turbulent Layer Inlet. A Precursor Method Application and Its Quality Check

Abstract

The motivation of this work is to bridge the gap between experimental approaches in wind tunnel testing and numerical computations, in the field of structural design against strong winds. This paper focuses on the generation of an unsteady flow field, representative of a natural wind field, but still compatible with Computational Fluid Dynamics inlet requirements. A simple and “naive” procedure is explained, and the results are in good agreement with some international standards.

Keywords

• wind
• turbulent inlet
• large eddy simulation
• wind engineering
• turbulence length scales
• precursor methods
• OpenFOAM