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Article type: Research Article
Authors: Angot, Philippea | Carbou, Gillesb | Péron, Victorb; c; *
Affiliations: [a] Laboratoire d’Analyse, Topologie et Probabilités (LATP), UMR CNRS 7353 Equipe d’Analyse Appliquée Centre de Mathématiques et Informatique (CMI), Aix-Marseille Université, Technopôle Château-Gombert, 39, rue F. Joliot Curie, 13453 Marseille Cedex 13, France | [b] Laboratoire de Mathématiques et de leurs Applications de Pau, UMR CNRS 5142, Bâtiment IPRA, Université de Pau et des Pays de l’Adour, Avenue de l’Université – BP 1155, 64013 Pau Cedex, France | [c] Magique 3D, INRIA Bordeaux Sud-Ouest, Université de Pau et des Pays de l’Adour, Avenue de l’Université – BP 1155, 64013 Pau Cedex, France
Correspondence: [*] Corresponding author: Victor Péron, Laboratoire de Mathématiques et de leurs Applications de Pau, UMR CNRS 5142, Bâtiment IPRA, Team Magique 3D INRIA, Université de Pau et des Pays de l’Adour, Avenue de l’Université – BP 1155, 64013 Pau Cedex, France. E-mail: [email protected].
Abstract: In this paper, one considers the coupling of a Brinkman model and Stokes equations with jump embedded transmission conditions. In this model, one assumes that the viscosity in the porous region is very small. Then we derive a Wentzel–Kramers–Brillouin (WKB) expansion in power series of the square root of this small parameter for the velocity and the pressure which are solution of the transmission problem. This WKB expansion is justified rigorously by proving uniform errors estimates.
Keywords: porous media, Stokes equation, Brinkman model, WKB expansion
DOI: 10.3233/ASY-151336
Journal: Asymptotic Analysis, vol. 96, no. 3-4, pp. 223-249, 2016
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