2017
DOI: 10.1515/caim-2017-0006
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Energetic BEM for the numerical analysis of 2D Dirichlet damped wave propagation exterior problems

Abstract: Time-dependent problems modeled by hyperbolic partial differential equations can be reformulated in terms of boundary integral equations and solved via the boundary element method. In this context, the analysis of damping phenomena that occur in many physics and engineering problems is a novelty. Starting from a recently developed energetic space-time weak formulation for 1D damped wave propagation problems rewritten in terms of boundary integral equations, we develop here an extension of the so-called energet… Show more

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“…This weak formulation is called energetic, because it takes advantage of some properties of the energy of the system ( [20], [21]). The Energetic BEM has been applied so far to many models: interior and exterior 2D ( [21], [22], [23]) and 3D ( [24], [25]) scalar wave propagation problems and, more recently, 2D exterior damped wave propagation problems ( [26], [27]). Obtained numerical results are very interesting in comparison with other ones found in literature ( [28]).…”
Section: Introductionmentioning
confidence: 99%
“…This weak formulation is called energetic, because it takes advantage of some properties of the energy of the system ( [20], [21]). The Energetic BEM has been applied so far to many models: interior and exterior 2D ( [21], [22], [23]) and 3D ( [24], [25]) scalar wave propagation problems and, more recently, 2D exterior damped wave propagation problems ( [26], [27]). Obtained numerical results are very interesting in comparison with other ones found in literature ( [28]).…”
Section: Introductionmentioning
confidence: 99%