管路-船体耦合振动及水下声辐射研究

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摘要充液管路广泛的应用于船舶冷却、输水等多个系统，其振动与水下声辐射一直是学术与工程中的研究热点。基于阻抗综合法，利用耦合点处力与位移的连续边界条件，采用管路解析公式、船体有限元数值计算、管路支撑测试数据三者相结合的方法对管路-船体耦合系统进行振动与水下声辐射工程预报。该综合方法被应用于一个复杂空间管路-船体耦合模型，并与有限元模型结果对比验证了该方法的正确性。

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	吴江海
	尹志勇
	孙玉东
	孙凌寒
	安方

关键词 ：阻抗综合法, 管路-船体耦合, 振动, 水下辐射噪声

Abstract：Fluid filled pipe systems are widely used in ship industry, such as cooling, water conveying systems, etc.Its vibration and underwater acoustic radiation has always been a hotspot in academic research and engineering application.The continuous boundary conditions of the force and displacement at the coupling point were cosidered, and the analytical study of the liquid filled pipeline, the finite element calculation of the hull and the test of the pipeline support were combinedly used based on the impedance synthesis method to investigate the vibration characteristics and underwater acoustic radiation of the pipe-hull coupled system.The synthesis method was applied to a complex spatial pipeline-hull coupling model, and the results were compared with the finite element results to verify the correctness of the method proposed.

Key words： impedance synthesis method；pipe-hull coupled system vibration underwater radiated sound

收稿日期: 2020-01-02 出版日期: 2021-03-28

引用本文:

吴江海，尹志勇，孙玉东，孙凌寒，安方. 管路-船体耦合振动及水下声辐射研究[J]. 振动与冲击, 2021, 40(6): 165-170.
WU Jianghai,YIN Zhiyong,SUN Yudong,SUN Linghan,AN Fang. Vibration and underwater sound radiation of a pipe-hull coupled syste. JOURNAL OF VIBRATION AND SHOCK, 2021, 40(6): 165-170.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2021/V40/I6/165

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