Resonant acoustic scattering by a finite linear grating of elastic shells |
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Authors: | Lethuillier S Conoir J M Pareige P Izbicki J L |
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Affiliation: | Laboratoire d'Acoustique Ultrasonore et d'Electronique, LAUE, CNRS UMR 6068, Université du Havre, Place Robert Schuman, F-76610, Le Havre, France. |
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Abstract: | Theoretical and experimental studies of the acoustic scattering by a finite linear grating of elastic cylindrical shells are performed. It is observed that a resonant interaction takes place at low frequency when the shells are very close to each other. This phenomenon can be clearly associated to the Scholte-Stoneley wave that propagates around a single shell. It is shown that each resonance of the Scholte-Stoneley wave is split up into N resonances when N shells compose the grating. |
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Keywords: | 43.20.Fn 43.20.Ks |
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