Investigation of the effective permeability of vuggy or fractured porous media from a Darcy-Brinkman approach

Abstract : In this paper, the macroscopic representation of one-phase incompressible flow in fractured and cavity (or vuggy) porous media is studied from theoretical and numerical points of view. A single-domain (or equivalently a Darcy-Brinkman) type of approach is followed to describe the momentum transport at Darcy scale where the fracture or cavity region and porous matrix region are well identified. The Darcy scale model is upscaled yielding a macroscopic momentum equation operating on the equivalent homogeneous medium. Numerical solution to the associated closure problem is proposed in order to compute the effective permeability. Numerical results on some model fractured and cavity media are discussed and compared to some analytical results.
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https://hal.univ-lorraine.fr/hal-01276848
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Submitted on : Saturday, February 20, 2016 - 5:43:56 PM
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Fabrice Golfier, D. Lasseux, M. Quintard. Investigation of the effective permeability of vuggy or fractured porous media from a Darcy-Brinkman approach. Computational Geosciences, Springer Verlag, 2015, 19 (1), pp.63-78. ⟨10.1007/s10596-014-9448-5⟩. ⟨hal-01276848⟩

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