Smoothed particle hydrodynamics model for diffusion through porous media

被引：105
作者：
Zhu, Y
Fox, PJ
机构：
[1] Golder Associates, Atlanta, GA 30341 USA
[2] Univ Calif Los Angeles, Dept Civil & Environm Engn, Los Angeles, CA 90095 USA
来源：
TRANSPORT IN POROUS MEDIA | 2001年 / 43卷 / 03期
关键词：
smoothed particle hydrodynamics; diffusion; numerical model; nondimensional diffusivity; porous media;
D O I：
10.1023/A:1010769915901
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A smoothed particle hydrodynamics (SPH) model is presented for the study of diffusion in spatially periodic porous media. The method of SPH is formulated to solve the convection-diffusion equation for tracer diffusion under steady state and transient conditions. Solutions obtained using SPH are compared with other available solutions and the model is used to calculate diffusion coefficients of spatially periodic porous media for the steady state diffusion problem. Diffusion coefficients are then used to calculate nondimensional diffusivities of the media. The effects of media properties on the values of nondimensional diffusivity are also presented.
引用
收藏
页码：441 / 471
页数：31
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