Author(s)

J.F. Remacle, A. Nicolet, M. Ume, A. Genon & W. Legros

Abstract

Hybrid solver for BEM-FEM coupling J.-F. Remade, A. Nicolet, M. Ume, A. Genon, W. Legros University of Liege, Department of Electrical Engineering, Institut Montefiore, Sart Tilman, Izege, This text presents research results of the Belgian programme on Interuniversity Poles of attraction initiated by the Belgian State, Prime Minister's Office, Science Policy Programming. The scientific responsability is assumed by its authors. ABSTRACT One of the major difficulties encountered with finite element - boundary element coupling is the resolution of linear systems. Finite elements and boundary elements lead to very different kind of systems. While the finite element method applied to elliptic problems lead naturally to symmetric positive definite system of equations, boundary elements adjoin them a non symmetric part. Sparse symmetric definite positive systems may be efficiently solved by iterative methods such as the preconditioned conjugate gradient method. Full ma

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