V.S.Malyuga Numerical simulation of viscous incompressible flow past a sphere |
Applied hydromechanics, Vol. 15 (87) ¹ 3, (2013) |
| The flow of viscous incompressible fluid past a sphere is considered in a wide range of Reynolds number. The offered numerical algorithm is applicable to the problems of arbitrary complex geometry. It is based on the finite volume method. At low Reynolds numbers the DNS technique is employed, at high Reynolds numbers the LES technique. The range of Reynolds number is identified, within which the self-sustained oscillations occur in the flow, and hence such a flow can generate sound. Both single frequency and multi-frequency oscillatory regimes are described in detail. |
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KEY WORDS: self-oscillations, finite volume methods, flow past a sphere, LES, OpenFOAM |
| TEXT LANGUAGE: Russian |