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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Numerical modeling of contaminant transport in fractured porous media using mixed finite-element and finitevolume methods
Journal of Porous Media, Volume 14, No. 3, Year 2011
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Description
A mathematical model for contaminant species passing through fractured porous media is presented. In the numerical model, we combine two locally conservative methods; i.e., the mixed finite-element (MFE) method and the finite-volume method. Adaptive triangle mesh is used for effective treatment of the fractures. A hybrid MFE method is employed to provide an accurate approximation of velocity fields for both the fractures and matrix, which are crucial to the convection part of the transport equation. The finite-volume method and the standard MFE method are used to approximate the convection and dispersion terms, respectively. The temporary evolution for the pressure distributions, streamline fields, and concentration profiles are obtained for six different arrangements of fractures. The results clearly show the distorted concentration effects caused by the ordered and disordered (random) patterns of the fractures and illustrate the robustness and efficiency of the proposed numerical model. © 2011 by Begell House Inc.
Authors & Co-Authors
Dong, Chen
United States, Clemson
Clemson University
Sun, Shuyu
United States, Clemson
Clemson University
Saudi Arabia, Thuwal
King Abdullah University of Science and Technology
Taylor, Glenn A.
United States, Aiken
Savannah River National Laboratory
Statistics
Citations: 14
Authors: 3
Affiliations: 3
Identifiers
Doi:
10.1615/JPorMedia.v14.i3.30
ISSN:
1091028X
Research Areas
Violence And Injury