Abstract

Numerical solutions using finite element methods are considered for transient flow in a porous medium coupled to free flow in embedded conduits. Such situations arise, for example, for groundwater flows in karst aquifers. the coupled flow is modeled by the Darcy equation in a porous medium and the Stokes equations in the conduit domain. on the interface between the matrix and conduit, Beavers-Joseph interface conditions, instead of the simplified Beavers-Joseph-Saffman conditions, are imposed. Convergence and error estimates for finite element approximations are obtained. Numerical experiments illustrate the validity of the theoretical results. © 2010 Society for Industrial and Applied Mathematics.

Department(s)

Mathematics and Statistics

Comments

Medical Research Council, Grant MR/N012097/1

Keywords and Phrases

Beavers-Joseph Interface Boundary Condition; Error Bound; Finite Element Approximation; Fluid and Porous Media Flow; Initial- Boundary Value Problem; Stokes and Darcy Equations

International Standard Serial Number (ISSN)

0036-1429

Document Type

Article - Journal

Document Version

Final Version

File Type

text

Language(s)

English

Rights

© 2023 Society for Industrial and Applied Mathematics, All rights reserved.

Publication Date

05 Mar 2010

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