Numerical predictions of fluid flow around a low rise building

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Title: Numerical predictions of fluid flow around a low rise building
Author: Qasim, Ali Mohammed
Abstract: Advancement of Computational Fluid Dynamics (CFD )and computer modeling offers a whole new direction for understanding engineering problems . Research work in wind engineering has also been restructured to make use of this advancement . In contrast to aeronautical engineering , the CFD era started only recently in the wind engineering community . As a result , few practitioners have used CFD codes as their design tools . A number of turbulence models have been developed in the last two decades , ranging from the zero -equation mixing length model to the multi -equation turbulence models . Of these numerous models , the two -equation k -8 turbulence model has been widely used primarily due to its simplicity and realistic predictions . The standard k -8 turbulence model is known to successfully predict simple turbulent flows such as boundary layer flows and flows in plane ducts with no recirculation . Although , in the numerical solution of the governing flow equations , flow parameters such as mean velocity and mean pressure are readily available , the fluctuating pressures are rarely computed because of the fact that the finite difference equations solved for do not contain fluctuating values of these variable readily . In this research study , two methods are presented to compute the r .m .s . pressure coefficients after solving the flow equations .
URI: http : / /hdl .handle .net /2346 /22212
Date: 1995-08


Numerical predictions of fluid flow around a low rise building. Doctoral dissertation, Texas Tech University. Available electronically from http : / /hdl .handle .net /2346 /22212 .

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