Abstract
The dynamic response of an infinite circular cylindrical shell submerged in an acoustic medium was formulated using Flugge's thin shell theory. The effects of a uniform hydrostatic pressure field were modeled by including constant initial stress terms in the shell equations of motion. The driving point impedance of the shell was examined and characterized in terms of the in‐vacuo shell impedance and the additional fluid impedance. The effects of the hydrostatic pressure on both were determined and examined as a function of frequency. The surface acoustic intensity field resulting from a localized harmonic driving force was formulated and integrated numerically over the surface of the shell in order to determine the radiated acoustic power. The relative effects of the fluid loading and the hydrostatic pressure field on the acoustic response were subsequently examined as a function of the frequency of the excitation.
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