Computation of Wind Flow Around a Buildingby Jianming He, Univ of Minnesota, Minneapolis, United States,
Charles C. S. Song, Univ of Minnesota, Minneapolis, United States,
Abstract: A numerical investigation of wind flow around a three-dimensional building is presented by solving weakly compressible flow equations, together with Smogrinsky's subgrid-scale turbulent model. The numerical scheme is based on MacCormack's predictor-corrector explicit finite volume method. The computations are made for a cubical model in one fourth power boundary layer. The computational results agree well with available experimental data. The pressure around the building, the wake pattern behind the building, the horseshoe vortex and a pair of axial vortices in the far wake region are well predicted.
Subject Headings: Boundary layers | Wind engineering | Three-dimensional flow | Computing in civil engineering | Numerical analysis | Numerical methods | Turbulent flow | Three-dimensional models
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