Resonant acoustic scattering by a finite linear grating of elastic shells.
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.
Laboratoire d'Acoustique Ultrasonore et d'Electronique, LAUE, CNRS UMR 6068, Université du Havre, Place Robert Schuman, F-76610, Le Havre, France.
S
S
Lethuillier
J M
JM
Conoir
P
P
Pareige
J L
JL
Izbicki
D000162:Acoustics; D005583:Fourier Analysis; D008853:Microscopy; D012542:Scattering, Radiation; D012996:Solutions
D012996:Solutions