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Wind analysis on dimpled high rise building skin. Boundary layer effects on great scale dimpled surface for turbulence reduction near the object. This second step focuses on the dimpled skin concept.
The aim is to verify how ETFE cushions  placed on tower facade  can improve the delaying of flow boundary layer evolution to a turbulent state along the surface of the architectural skin.

A more stable downstream flow  will ensure more security to eVTOLs take-off and landings operations.

This validation focuses on validating the moment coefficients using experimental results obtained by RWDI in their wind tunnel tests, published in the paper (Calin Dragoiescu, Jason Garber and Suresh Kumar, 2006) where results were published using two techniques, a high-frequency force balance (HFFB) and high-frequency pressure integration (HFPI) which uses tap points. Both showing mostly good agreement between the two, with HFFB expected to be more accurate.

The wind load on a monument is being analyzed. 8 different wind directions are being simulated. The monument is about 20m high and hence subject to significant wind loads, where CFD is being used to predict them. In a first step, only average wind loads and pressure distribution on the surface is being simulated. The plan is to analyze transient wind loads lateron.

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