Simulation of Vortex-Shedding Flow About a Circular Cylinder at High Reynolds Numbers

[+] Author and Article Information
Charles C. S. Song

St. Anthony Falls Hydraulic Laboratory, Department of Civil and Mineral Engineering, University of Minnesota, Minneapolis, MN 55414

Mingshun Yuan

Department of Hydraulic Engineering, Tsinghua University, Beijing, People’s Republic of China

J. Fluids Eng 112(2), 155-161 (Jun 01, 1990) (7 pages) doi:10.1115/1.2909379 History: Received July 07, 1988; Online May 23, 2008


Vortex shedding over a circular cylinder is modeled based on the weakly compressible flow equations with a simple subgrid scale turbulence model and a simple hybrid boundary condition. An explicit finite volume method is used. A subcritical and a supercritical case are computed. It is shown that the large-scale vortex-shedding phenomenon, the primary vortices, and the related oscillatory lift and drag can be calculated fairly well with a grid system coarser than the boundary layer thickness. The secondary vortices and the related higher frequency oscillations are also calculated by using somewhat finer grids.

Copyright © 1990 by The American Society of Mechanical Engineers
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