High order asymptotics for wave propagation across thin periodic interfaces - Archive ouverte HAL
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Pré-Publication, Document De Travail Année : 2012
High order asymptotics for wave propagation across thin periodic interfaces
1 LAGA - Laboratoire Analyse, Géométrie et Applications (Institut Galilée, Université Paris 13, 99 avenue Jean-Baptiste Clément, F-93430, Villetaneuse, France - France)
"> LAGA - Laboratoire Analyse, Géométrie et Applications
2 LJLL - Laboratoire Jacques-Louis Lions (Université Pierre et Marie Curie, Boîte courrier 187 - 75252 Paris Cedex 05 - France)
"> LJLL - Laboratoire Jacques-Louis Lions
3 ALPINES - Algorithms and parallel tools for integrated numerical simulations (France)
"> ALPINES - Algorithms and parallel tools for integrated numerical simulations

Résumé

This work deals with the scattering of acoustic waves by a thin ring that contains many regularly-spaced heterogeneities. We provide and justify a complete description of the solution with respect to the period and the thickness of the heterogeneities. Our approach mixes matched asymptotic expansions and homogenization theory.
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Dates et versions

hal-00682386 , version 1 (25-03-2012)
Identifiants
  • HAL Id : hal-00682386 , version 1

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Bérangère Delourme, Xavier Claeys. High order asymptotics for wave propagation across thin periodic interfaces. 2012. ⟨hal-00682386⟩
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