期刊
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS
卷 56, 期 4, 页码 351-382出版社
JOHN WILEY & SONS LTD
DOI: 10.1002/fld.1532
关键词
pressure segregation; velocity correction; predictor-corrector; incompressible Navier-Stokes; equations
In this paper, we introduce some pressure segregation methods obtained from a non-standard version of the discrete monolithic system, where the continuity equation has been replaced by a pressure Poisson equation obtained at the discrete level. In these methods it is the velocity instead of the pressure the extrapolated unknown. Moreover, predictor-corrector schemes are suggested, again motivated by the new monolithic system. Key implementation aspects are discussed, and a complete stability analysis is performed. We end with a set of numerical examples in order to compare these methods with classical pressure-correction schemes. Copyright (c) 2007 John Wiley & Sons, Ltd.
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