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Acoustic scattering from a submerged finite cylindrical shell with periodically bulkheads, insonified by an incident plane wave, is studied. The motion of shell is described by Donnell equations, while the motion of bulkheads is described by thin plate motion equations and plane stress equations with considering axial force circumferential force radial force and bending moment simultaneously. Through angle-frequency spectrum besides the surface elastic waves, Bragg waves and Bloch-Floquet waves for the periodically bulkheads, the interactions between bulkheads resonance can be seen. Finally the theory is verified by experiment. Bragg waves, partial Bloch-Floquet waves and resonance of bulkheads highlight are all accordant with theory.
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Keywords:
- Bragg waves /
- Bloch-Floquet waves
[1] Guo Y P 1994 J. Acoustic. Soc. Am. 95 2550
[2] Cushieri J M, Feit D 1995 J. Acoustic. Soc. Am. 98 320
[3] Cushieri J M, Feit D 1995 J. Acoustic. Soc. Am. 98 339
[4] Douglas M P, Joseph A B, Brian H H 1994 J. Acoustic. Soc. Am. 96 2785
[5] Brian H H, Bucaro J A, Douglas M P 1995 J. Acoustic. Soc. Am. 98 2851
[6] Douglas M P, Brian H H, Williams E G, Bucaro J A 2000 J. Acoustic. Soc. Am. 108 1027
[7] Tran-Van-Nhieu M 2001 J. Acoustic. Soc. Am. 110 2858
[8] Miles R N 1989 J. Sound Vib. 134 165
[9] Miguel C J, Feit D 1986 Sound Structures and Their Interaction (2nd Edn.) (Cambridge, MA: MIT Press)
[10] Rumerman M L 1993 J. Acoustic. Soc. Am. 93 55
[11] Rumerman M L, Schreppler S C 1991 J. Acoustic. Soc. Am. 90 2340
[12] Liétard R, Décultot D, Maze G, Tran-Van-Nhieu M 2005 J. Acoustic. Soc. Am. 118 2142
[13] Guo Y P 1993 J. Acoustic. Soc. Am. 93 857
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[1] Guo Y P 1994 J. Acoustic. Soc. Am. 95 2550
[2] Cushieri J M, Feit D 1995 J. Acoustic. Soc. Am. 98 320
[3] Cushieri J M, Feit D 1995 J. Acoustic. Soc. Am. 98 339
[4] Douglas M P, Joseph A B, Brian H H 1994 J. Acoustic. Soc. Am. 96 2785
[5] Brian H H, Bucaro J A, Douglas M P 1995 J. Acoustic. Soc. Am. 98 2851
[6] Douglas M P, Brian H H, Williams E G, Bucaro J A 2000 J. Acoustic. Soc. Am. 108 1027
[7] Tran-Van-Nhieu M 2001 J. Acoustic. Soc. Am. 110 2858
[8] Miles R N 1989 J. Sound Vib. 134 165
[9] Miguel C J, Feit D 1986 Sound Structures and Their Interaction (2nd Edn.) (Cambridge, MA: MIT Press)
[10] Rumerman M L 1993 J. Acoustic. Soc. Am. 93 55
[11] Rumerman M L, Schreppler S C 1991 J. Acoustic. Soc. Am. 90 2340
[12] Liétard R, Décultot D, Maze G, Tran-Van-Nhieu M 2005 J. Acoustic. Soc. Am. 118 2142
[13] Guo Y P 1993 J. Acoustic. Soc. Am. 93 857
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