Application of CFD simulation on various irregular-shaped buildings for determining wind forces and interference effects
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Abstract
Buildings, cooling towers, chimneys, and other tall, thin structures are more vulnerable to wind loads. Wind loads can be increased or decreased by additional structures surrounding these. The interference effect refers to the influence on the primary structure caused by the presence of other structures. The phenomena of interference have acquired importance because of the damage or collapse of structures caused by it. Various experiments and limited computer simulations have studied interference effects on diverse structures. Computational fluid dynamics (CFD) is a better alternative to wind tunnel tests in determining wind loads owing to interference effects on structures. This research considers three structures, two similar structures and one irregular structure such as T-shape with varied wind angles and interfering distances. This study examines various forces and velocity vectors of wind interferences on the structures. Furthermore, using Ansys, a comparative analysis is carried out between Wind Tunnel Test and Computational Fluid Dynamics.
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