Application of a virtual-boundary method for the numerical study of oscillations developing behind a cylinder near a plane wall

E. Kit, N. V. Nikitin, V. M. Shmidt, A. Yakhot

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The conditions of onset and the character of the oscillations developing behind a circular cylinder located above a plane wall (screen) in a flow with a velocity profile of the boundary layer type are studied numerically. The dependence of the critical Reynolds number (at which a steady flow regime in the wake behind the cylinder is replaced by an oscillatory regime) on the cylinder-wall gap and the free-stream boundary layer thickness is found.

Original languageEnglish
Pages (from-to)61-68
Number of pages8
JournalFluid Dynamics
Volume39
Issue number1
DOIs
StatePublished - 2004

Funding

FundersFunder number
Russian Foundation for Basic Research02-01-00492
Israel Science Foundation240/01, 159/02

    Keywords

    • Critical Reynolds number
    • Finite-element method
    • Strouhal number
    • Two-dimensional Navier-Stokes equations
    • Unsteady flow

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