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Equivalent Conditions for Elasto-Acoustics

Julien Diaz 1, 2 Victor Péron 2, 1
2 Magique 3D - Advanced 3D Numerical Modeling in Geophysics
LMAP - Laboratoire de Mathématiques et de leurs Applications [Pau], Inria Bordeaux - Sud-Ouest
Abstract : We present Equivalent Conditions (ECs) for the diffraction problem of elasto-acoustic waves in a solid medium surrounded by a thin region of fluid medium. This problem is well suited for the notion of ECs : since the thickness of the layer is small with respect to the wavelength, the effect of the fluid on the solid is as a first approximation local. These conditions approximate the acoustic waves which propagate in the fluid region. We present numerical results to illustrate the accuracy of ECs.
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https://hal.inria.fr/hal-00842571
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Submitted on : Wednesday, March 17, 2021 - 6:53:24 PM
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Julien Diaz, Victor Péron. Equivalent Conditions for Elasto-Acoustics. Waves 2013 - 11th International Conference on Mathematical and Numerical Aspects of Waves, Jun 2013, Gammarth, Tunisia. pp.345-346. ⟨hal-00842571⟩

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