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Journal of Porous Media
IF: 1.49 5-Year IF: 1.159 SJR: 0.504 SNIP: 0.671 CiteScore™: 1.58

ISSN Print: 1091-028X
ISSN Online: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v18.i5.30
pages 493-506

COMPUTATIONAL STUDY OF FLUID FLOW THROUGH AN IDEALIZED FRACTURE UNDER CONFINING STRESSES

Alberto Roman
Department of Mechanical and Aeronautical Engineering, Clarkson University, Potsdam NY 13699-5725
Goodarz Ahmadi
Department of Mechanical and Aeronautical Engineering, Clarkson University, Potsdam, NY, 13699, USA

ABSTRACT

Computational modeling of an idealized rock fracture under confining stress was conducted. A combination of computational fluid dynamics and finite element (FE) models was used in the analysis of the undeformed and deformed fracture. The FE analysis incorporated elastic-plastic material nonlinearities. The effective permeability of the fracture was calculated using Darcy's law. The simulation results and the computed permeability of the fracture were compared with the experimental data. It was shown that the effective permeability of the idealized rock fracture varied nonlinearly with the confining stress. The permeability results of the model agreed qualitatively with the experiments; however, quantitative discrepancies were found.


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