A Least-Squares Mixed Scheme for the Simulation of Two-Phase Flow in Porous Media on Unstructured Grids

被引：0
|
作者：
Deepankar Biswas
Graham F. Carey
机构：
[1] University of Texas at Austin,
来源：
Transport in Porous Media | 1998年 / 32卷
关键词：
least squares; finite elements; adaptive mesh; conjugate-gradient scheme;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A least-squares mixed formulation is developed for simulation of two-phase flow in porous media. Such problems arise in petroleum applications and ground-water flow. An adaptive strategy based on the element residual as an error indicator is developed in conjunction with unstructured remeshing and tested for the two-phase flow of oil and water. An element-by-element conjugate-gradient scheme (EBE-CG) is compared to a band solution algorithm.
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页码：75 / 95
页数：20
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