Here we consider Dirichlet or Neumann wave propagation for 2D exterior problems reformulated in terms of boundary integral equations with retarded potential. Starting from a natural energy identity, a space-time weak formulation for the boundary integral equations is proposed and discussed. Numerical evidences of the effectiveness of our approach, as well as some applications, are presented.
A 2D space-time BEM for exterior problems / A. Aimi, M. Diligenti, C. Guardasoni, I. Mazzieri, S. Panizzi. ((Intervento presentato al 9. convegno SIMAI Congress tenutosi a Rome nel 2008.
A 2D space-time BEM for exterior problems
C. Guardasoni;
2009
Abstract
Here we consider Dirichlet or Neumann wave propagation for 2D exterior problems reformulated in terms of boundary integral equations with retarded potential. Starting from a natural energy identity, a space-time weak formulation for the boundary integral equations is proposed and discussed. Numerical evidences of the effectiveness of our approach, as well as some applications, are presented.
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