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Multiphase flow in heterogeneous porous media: A classical finite element method versus an implicit pressure–explicit saturation-based mixed finite element–finite volume approach

✍ Scribed by R. Huber; R. Helmig

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 325 KB
Volume: 29
Category: Article
ISSN: 0271-2091
DOI: 10.1002/(sici)1097-0363(19990430)29:8<899::aid-fld715>3.0.co;2-w

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✦ Synopsis

Various discretization methods exist for the numerical simulation of multiphase flow in porous media. In this paper, two methods are introduced and analyzed -a full-upwind Galerkin method which belongs to the classical finite element methods, and a mixed-hybrid finite element method based on an implicit pressure-explicit saturation (IMPES) approach. Both methods are derived from the governing equations of two-phase flow. Their discretization concepts are compared in detail. Their efficiency is discussed using several examples.