Computation of Wind Flow around a Tall Building and the Large--Scale Vortex Structure

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Computation of Wind Flow around a Tall Building and the Large--Scale Vortex Structure

Author: CHARLES C. S. SONG, JIANMING HE | Size: 648 KB | Format: PDF | Quality: Unspecified | Publisher: CHARLES C. S. SONG, JIANMING HE | Year: 1993 | pages: 10

A numerical study of three-dimensional wind flow around a tall building is presented in this paper. The solution is obtained by solving weakly compressible flow equations, along with Smagorinsky's subgrid-scale turbulent model. The numerical
scheme is based on MacCormack's predictor-corrector explicit finite volume method. First, the numerical model was verified by testing a shear flow around surface--mounted cube, then a detailed study was carried out for a shear flow around a taller building model (width:length:height = 1:0.889:4.667). The main task of this paper is to explore the large-scale vortex structure and the unsteady behavior of flow around a tall building, which are still not well understood.

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