期刊
ULTRASONICS
卷 41, 期 8, 页码 655-662出版社
ELSEVIER
DOI: 10.1016/j.ultras.2003.07.001
关键词
scattering; resonances; grating
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. (C) 2003 Elsevier B.V. All rights reserved.
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