A 3-DIMENSIONAL BOUNDARY-ELEMENT METHOD FOR STEADY UNSATURATED QUASI-LINEAR FLOW IN POROUS-MEDIA

被引:3
作者
SUBIA, SR [1 ]
INGBER, MS [1 ]
MARTINEZ, MJ [1 ]
机构
[1] SANDIA NATL LABS,DEPT COMP FLUID DYNAM,ALBUQUERQUE,NM 87185
关键词
D O I
10.1029/94WR00753
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A three-dimension boundary element method is developed to study unsaturated groundwater flows in heterogeneous porous media. The method is based on the Kirchhoff transformation of variables which transforms the nonlinear Richards equation into the Fokker-Planck equation. Several benchmark problems are considered involving cavity infiltration and exclusion to demonstrate the reliability of the boundary element formulation. As an example application problem, the effective conductivity of a porous medium containing randomly positioned impermeable spherical inclusions is considered.
引用
收藏
页码:2097 / 2104
页数:8
相关论文
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