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Forced vibrational power flow input and transmission in a fluid-filled shell
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作者 XU Mubing ZHANG Xiaoming(Department of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology Wuhan 430074) 《Chinese Journal of Acoustics》 1999年第2期152-162,共11页
The characteristics of vibrational power flow in an infinite elastic cylindrical shell filled with fluid are investigated. The simple harmonic motion of the shell and the pressure field in the contained fluid are desc... The characteristics of vibrational power flow in an infinite elastic cylindrical shell filled with fluid are investigated. The simple harmonic motion of the shell and the pressure field in the contained fluid are described by the Fltigge shell equations and Helmholtz equation respectively. The vibrational equation of this system is obtained by using the coupling of shell and fluid. The dispersion curves are discussed for different circumferential orders. By using Fourier transform and its inverse transform, the input power into this coupled system excited by a simple harmonic linearly distributed driving force is studied. Along the shell, the transmission of the power flow carried by different shell internal forces and by the contained fluid are discussed 展开更多
关键词 flow Forced vibrational power flow input and transmission in a fluid-filled shell
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