A BIE-Based DtN-FEM for Fluid-Solid Interaction Problems

A BIE-Based DtN-FEM for Fluid-Solid Interaction Problems

Year:    2018

Author:    Tao Yin, Andreas Rathsfeld, Liwei Xu

Journal of Computational Mathematics, Vol. 36 (2018), Iss. 1 : pp. 47–69

Abstract

In this paper, we are concerned with the coupling of finite element methods and boundary integral equation methods solving the classical fluid-solid interaction problem in two dimensions. The original transmission problem is reduced to an equivalent nonlocal boundary value problem via introducing a Dirichlet-to-Neumann mapping by the direct boundary integral equation method. We show the existence and uniqueness of the solution for the corresponding variational equation. Numerical results based on the finite element method coupled with the standard Galerkin boundary element method, the fast multipole method and the Nyström method for approximating the DtN mapping are provided to illustrate the efficiency and accuracy of the numerical schemes.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.4208/jcm.1610-m2015-0480

Journal of Computational Mathematics, Vol. 36 (2018), Iss. 1 : pp. 47–69

Published online:    2018-01

AMS Subject Headings:   

Copyright:    COPYRIGHT: © Global Science Press

Pages:    23

Keywords:    Fluid-solid interaction problem Dirichlet-to-Neumann mapping Finite element method Fast multipole method Nyström method.

Author Details

Tao Yin

Andreas Rathsfeld

Liwei Xu

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