The wide interest in problems of vibrations of thin shells has recently led to studies concerning the free and forced vibrations of shells submerged in an acoustic medium. In addition to essentially acoustic questions, there has been strong interest in the structural response and frequencies of vibration of such shells, as may be seen from the literature. These studies have particularly dealt with metal shells submerged in water.nThe present paper is primarily concerned with the structural aspects of such a problem. It considers the free and forced vibrations of an infinitely long cylindrical shell submerged in an inviscid acoustic medium, i.e., one whose motions conform to tie linear theory of waves of expansion.
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