Abstract
A numerical method is described, which is developed to analyze an unsteady separated flow. In this method, the flow around a body is assumed to be a potential flow except in the region of free shear layers. Hence, the body is represented by a continuous vorticity sheet and the free shear layers are replaced by discrete vortices. The separation point are determined by sloving the boundary layer momentum equation. This methods is applied to calculations of the flow around a circular cylinder in which the laminar and turbulent boundary layer separation occurs. The calculated results for lift and dray coefficients, Strouhal number and separation points are compared with experiments.
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