Stabilized finite element methods with reduced integration techniques for miscible displacements in porous media

被引：7

作者：

Dias, CM ^{[1
]}

Coutinho, ALGA ^{[1
]}

机构：

[1] Univ Fed Rio de Janeiro, COPPE, Dept Civil Engn, BR-21945970 Rio De Janeiro, Brazil

来源：

INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING | 2004年 / 59卷 / 04期

关键词：

miscible displacements; finite elements; reduced integration; porous media;

D O I：

10.1002/nme.886

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The objective of this work is to study some techniques to increase computational performance of stabilized finite element simulations of miscible displacements. We propose the use of a reduced integration technique for bilinear quadrilateral elements in the determination of the pressure and concentration fields. We also study the evaluation of pressure gradient (Darcy's velocity) by differentiation at superconvergent points. Numerical examples are shown to validate our approach, accessing its efficiency and accuracy. Copyright (C) 2003 John Wiley Sons, Ltd.

引用

页码：475 / 492

页数：18

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