Abstract
Fluid loading refers to the force field that a fluid exerts on a vibrating structure with which it is in contact and its effects on the vibrational and acoustic behavior of the structure. This chapter discusses various methods of mathematical analysis of fluid loading and its effects on vibrating plate and cylindrical shell structures and sound radiation. The problem of evaluating the reaction forces (fluid loading) applied by a fluid to a vibrating body is discussed in the chapter. The concept of complex acoustic radiation impedance is illustrated in the chapter by some simple examples. The effects of fluid loading on the natural frequencies and sound radiation by point-excited plates and circular cylindrical shells are then described and illustrated in the chapter. The effect of fluid loading on the vibration and sound radiation of a thin-walled circular, cylindrical shell of finite length subject to point force excitation has been studied by using a series expansion of in-vacuo shell modes to represent the structural vibration field.
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