Spurious velocities in the steady flow of an incompressible fluid subjected to external forces

Abstract : We show that a non physical velocity may appear in the numerical computation of the flow of an incompressible fluid subjected to external forces. A distorted mesh and the use of a numerical method which does not rigorously ensure the incompressibility condition turn out to be responsible for this phenomenon. We illustrate it with numerical examples and we propose a projection method which improves the results.
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International Journal for Numerical Methods in Fluids, Wiley, 1997, 25 (6), pp.679-695. 〈10.1002/(SICI)1097-0363(19970930)25:6<679::AID-FLD582>3.0.CO;2-Q〉
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Contributeur : Jean-Frédéric Gerbeau <>
Soumis le : dimanche 22 avril 2012 - 16:05:34
Dernière modification le : vendredi 25 mai 2018 - 12:02:03

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Jean-Frédéric Gerbeau, Claude Le Bris, Michel Bercovier. Spurious velocities in the steady flow of an incompressible fluid subjected to external forces. International Journal for Numerical Methods in Fluids, Wiley, 1997, 25 (6), pp.679-695. 〈10.1002/(SICI)1097-0363(19970930)25:6<679::AID-FLD582>3.0.CO;2-Q〉. 〈hal-00690238〉

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