A General Method to Study the Sound Radiation of a Finite Cylindrical Shell Based on Elastic Theory

A general method was proposed to study the sound and vibration of a finite cylindrical shell with elastic theory. This method was developed through comprehensive analysis of the uncoupled Helmholtz equation obtained by the decomposition of elastic equations and the structure of the solution of a fin...

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Bibliographic Details
Published in:Journal of marine science and application 2012-06, Vol.11 (2), p.258-264
Main Authors: Zhang, Junjie, Yuan, Chunhui, Zhu, Xianming, Li, Tianyun
Format: Article
Language:English
Subjects:
Electrical Machines and Networks
Engineering
Geotechnical Engineering & Applied Earth Sciences
Machinery and Machine Elements
Offshore Engineering
Power Electronics
亥姆霍兹方程
双层圆柱壳
声辐射
弹性方程
弹性理论
环肋圆柱壳
薄壳理论
通用
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Summary:A general method was proposed to study the sound and vibration of a finite cylindrical shell with elastic theory. This method was developed through comprehensive analysis of the uncoupled Helmholtz equation obtained by the decomposition of elastic equations and the structure of the solution of a finite cylindrical shell analyzed by thin shell theory. The proposed method is theoretically suitable for arbitrary thickness of the shell and any frequency. Also, the results obtained through the method can be used to determine the range of application of the thin shell theory. Furthermore, the proposed method can deal with the problems limited by the thin shell theory. Additionally, the method can be suitable for several types of complex cylindrical shell such as the ring-stiffened cylindrical shell, damped cylindrical shell, and double cylindrical shell.
ISSN:1671-9433
1993-5048
DOI:10.1007/s11804-012-1131-4