The effective permeability of fractured porous media subject to the Beavers–Joseph contact law

Article type: Research Article

Authors: Gruais, Isabelle^; | Poliševski, Dan | Stanescu, Florentina-Alina

Affiliations: Université de Rennes 1, I.R.M.A.R, Campus de Beaulieu, 35042 Rennes cedex, France | Institutul de Matematica “S. Stoilow”, Academia Romana, P.O. Box 1-764, Bucureşti, Romania

Note: [] Corresponding author. E-mail: [email protected]

Abstract: We are interested in the asymptotic behaviour of a fluid flow contained in a microscopic periodic distribution of fissures perturbating a porous medium where the Darcy law is valid, when the coupling between both systems is modeled by the Beavers–Joseph interface condition. As the small period of the distribution tends to zero, the interface condition is preserved on a microscopic scale under the additional assumption that the permeability coefficients behave like the squared period of the distribution which is also the squared size of the fissures. Moreover, the resulting pressure is purely macroscopic unlike the velocity field which also depends on the microscopic variable.

Keywords: fractured porous media, Stokes flow, Beavers–Joseph interface, homogenization, two-scale convergence

DOI: 10.3233/ASY-141248

Journal: Asymptotic Analysis, vol. 90, no. 3-4, pp. 267-280, 2014