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CONVERGENCE OF THE BOUNDARY INTEGRAL METHOD FOR INTERFACIAL STOKES FLOW
Journal article   Open access   Peer reviewed

CONVERGENCE OF THE BOUNDARY INTEGRAL METHOD FOR INTERFACIAL STOKES FLOW

David M. Ambrose, Michael Siegel and Keyang Zhang
Mathematics of computation
15 Nov 2022
url
http://arxiv.org/abs/2105.07056View

Abstract

Mathematics Mathematics, Applied Physical Sciences Science & Technology
Boundary integral numerical methods are among the most accurate methods for interfacial Stokes flow, and are widely applied. They have the advantage that only the boundary of the domain must be discretized, which reduces the number of discretization points and allows the treatment of complicated interfaces. Despite their popularity, there is no analysis of the convergence of these methods for interfacial Stokes flow. In practice, the stability of discretizations of the boundary integral formulation can depend sensitively on details of the discretization and on the application of numerical filters. We present a convergence analysis of the boundary integral method for Stokes flow, focusing on a rather general method for computing the evolution of an elastic capsule or viscous drop in 2D strain and shear flows. The analysis clarifies the role of numerical filters in practical computations.

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Collaboration types
Domestic collaboration
Web of Science research areas
Mathematics, Applied
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