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espace at MMU > Research Institutes > Dalton Research Institute > General Engineering > A vorticity-based method for incompressible unsteady viscous flows

Please use this identifier to cite or link to this item: http://hdl.handle.net/2173/91057
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Title: A vorticity-based method for incompressible unsteady viscous flows
Authors: Qian, Ling
Citation: Journal of computational physics, 2001, vol. 172, no. 2, pp. 515-542
Publisher: Academic Press
Issue Date: 1-Sep-2001
URI: http://hdl.handle.net/2173/91057
DOI: 10.1006/jcph.2001.6835
Additional Links: http://www.elsevier.com/wps/find/journaldescription.cws_home/622866/description
Abstract: A novel approach is presented, based on the integral form of the vorticity formulation, in which the vorticity transport equation is solved by using the cell-centred finite-volume method, while the velocities needed at the centre of each control volume are calculated by a modified Biot–Savart formula in conjunction with a fast summation algorithm. The vorticity and mass conservation in the flow are guaranteed during the calculation by virtue of the finite volume approach and the method of implementing the boundary conditions at the body surface. As an example, both the early stage development and long term evolution of the flow around an impulsively started circular cylinder are computed using the method. The present results are compared with other numerical and experimental results for the same flow problem and show good agreement.
Type: Article
Language: en
Description: Full-text of this article is not available in this e-prints service. This article was originally published [following peer-review] in Journal of computational physics, published by and copyright Academic Press.
Keywords: Vorticity
ISSN: 0021-9991
1090-2716
Appears in Collections: General Engineering

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