Article ID Journal Published Year Pages File Type
4642011 Journal of Computational and Applied Mathematics 2009 13 Pages PDF
Abstract

A priori error estimates in the H1H1- and L2L2-norms are established for the finite element method applied to the exterior Helmholtz problem, with modified Dirichlet-to-Neumann (MDtN) boundary condition. The error estimates include the effect of truncation of the MDtN boundary condition as well as that of discretization of the finite element method. The error estimate in the L2L2-norm is sharper than that obtained by the author [D. Koyama, Error estimates of the DtN finite element method for the exterior Helmholtz problem, J. Comput. Appl. Math. 200 (1) (2007) 21–31] for the truncated DtN boundary condition.

Related Topics
Physical Sciences and Engineering Mathematics Applied Mathematics
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