Abstract
A comparative study is made of various methods for computing the vibroacoustic response of a turbulence excited finite rectangular plate in an infinite rigid baffle. The plate is thin, flat, flexible and isotropic, simply supported or clamped, and is immersed in either heavy or light fluid media. One of the methods—that of Maestrello—applicable to an air loaded plate is modified to introduce (a) a correction for obtaining the true pressure statistics, (b) a simple procedure for including clamped supports, (c) fluid loading, i.e., added mass, and (d) radiation damping. Numerical computations are made for the vibratory response and the radiated power of a water-loaded plate subject to turbulence excitation. The computations are shown to be valid over the low wavenumber-broad frequency range of interest. Basic tubulence-vibroacoustic relationships, useful in numerical computation are given for infinite and finite plates in light and heavy fluid media.
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