Publication Details |
Category | Text Publication |
Reference Category | Journals |
DOI | 10.1016/j.jcp.2011.07.030 |
Title (Primary) | Are upwind techniques in multi-phase flow models necessary? |
Author | Park, C.-H.; Böttcher, N.; Wang, W.
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Source Titel | Journal of Computational Physics |
Year | 2011 |
Department | ENVINF |
Volume | 230 |
Issue | 22 |
Page From | 8304 |
Page To | 8312 |
Language | englisch |
Keywords | Two-phase flow; Galerkin finite element methods; Upwind schemes |
Abstract | Two alternatives of primary variables are compared for two-phase flow in heterogeneous media by solving fully established benchmarks. The first combination utilizes pressure of the wetting fluid and saturation of the non-wetting fluid as primary variables, while the second employs capillary pressure of the wetting fluid and pressure of the non-wetting fluid. While the standard Galerkin finite element method (SGFEM) is known to fail in the physical reproduction of two-phase flow in heterogeneous media (unless employing a fully upwind correction), the second scheme with capillary pressure as a primary variable without applying an upwind technique produces correct physical fluid behaviour in heterogeneous media, as observed from experiments. |
Persistent UFZ Identifier | https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=12201 |
Park, C.-H., Böttcher, N., Wang, W., Kolditz, O. (2011): Are upwind techniques in multi-phase flow models necessary? J. Comput. Phys. 230 (22), 8304 - 8312 10.1016/j.jcp.2011.07.030 |