Improved Computer Simulation of 3D Wind Flow Around a Buildingby Y. S. Zhou, Concordia Univ, Montreal, Canada,
T. Stathopoulos, (F.ASCE), Concordia Univ, Montreal, Canada,
Abstract: A two-layer method combining the k-ɜ model with the one-equation model near the wall has been tested in computing the wind conditions around a cubic building. In contrast with the simple k-ɜ model approach, this method has been effective in predicting the flow separation above the roof surface and near the side walls of a cubic building. The numerical prediction of the wind-induced pressures on building surfaces has also been improved as compared with the usual k-ɜ model method.
Subject Headings: Three-dimensional flow | Computer models | Flow simulation | Three-dimensional models | Fluid flow | Construction methods | Flow separation | Walls
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