Critical Frequencies in Scattering from Submerged Elastic Shells
1992
Werby, Michael F. | Ali, Hassan B. | Broadhead, Michael K.
In the process of scattering from submerged elastic shells, it is possible to excite many types of resonances. Among these are the lowest order symmetric and antisymmetric Lamb modes, and the waterborne waves, such as the pseudo-Stoneley resonances and the higher order symmetric and antisymmetric Lamb modes Si and Ai (i = 1, 2, 3, ...). the frequency at which these originate are referred to as critical frequencies. We establish simple rules to determine the frequencies at which the resonances originate as a function of shell thickness and material properties.
Show more [+] Less [-]Pub in Proceedings of Mastering the Oceans Through Technology (OCEANS 92), p471-476, 26-29 Oct 1992, Newport, Rhode Island.
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