EMIS ELibM Electronic Journals Publications de l'Institut Mathématique, Nouvelle Série
Vol. 96[110], pp. 5–22 (2014)

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A NUMERICAL STUDY OF ENERGETIC BEM-FEM APPLIED TO WAVE PROPAGATION IN 2D MULTIDOMAINS

A. Aimi, L. Desiderio, M. Diligenti, and C. Guardasoni

Department of Mathematics and Computer Science, University of Parma, Parma, Italy; POEMS (UMR 7231, CNRS-ENSTA-INRIA), ENSTA, Paris, France;

Abstract: Starting from a recently developed energetic space-time weak formulation of boundary integral equations related to wave propagation problems defined on single and multidomains, a coupling algorithm is presented, which allows a flexible use of finite and boundary element methods as local discretization techniques, in order to efficiently treat unbounded multilayered media. Partial differential equations associated to boundary integral equations will be weakly reformulated by the energetic approach and a particular emphasis will be given to theoretical and experimental analysis of the stability of the proposed method.

Keywords: wave propagation, boundary element and finite element methods, 2D multidomain

Classification (MSC2000): 65M38

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Electronic fulltext finalized on: 30 Oct 2014. This page was last modified: 24 Nov 2014.

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