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A numerical study of steady viscous flow past a circular cylinder

Published online by Cambridge University Press:  19 April 2006

Bengt Fornberg
Affiliation:
Department of Applied Mathematics, California Institute of Technology, Pasadena, California 91125, U.S.A.

Abstract

Numerical solutions have been obtained for steady viscous flow past a circular cylinder at Reynolds numbers up to 300. A new technique is proposed for the boundary condition at large distances and an iteration scheme has been developed, based on Newton's method, which circumvents the numerical difficulties previously encountered around and beyond a Reynolds number of 100. Some new trends are observed in the solution shortly before a Reynolds number of 300. As vorticity starts to recirculate back from the end of the wake region, this region becomes wider and shorter. Other flow quantities like position of separation point, drag, pressure and vorticity distributions on the body surface appear to be quite unaffected by this reversal of trends.

Type
Research Article
Copyright
© 1980 Cambridge University Press

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