| 基于灰色理论的水下双层壳体振动与声辐射统计能量分析 |
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| 引用本文： | 缪旭弘,陶景桥,姚熊亮,杨娜娜.基于灰色理论的水下双层壳体振动与声辐射统计能量分析[J].船舶力学,2006,10(2):146-152. |
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| 作者姓名： | 缪旭弘 陶景桥 姚熊亮 杨娜娜 |
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| 作者单位： | 海军装备研究院,北京,100073;哈尔滨工程大学,哈尔滨,150001 |
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| 摘 要： | 本文采用统计能量分析对一双层圆柱壳体在水下的流固耦合振动和声辐射进行分析计算.首先对各系统的模态参数采用理论方法计算,与实验结果对比表明,误差较大.为此,本文提出用灰色理论预测各子系统模态参数,通过计算结果与实验结果进行对比,表明提出的方法可行,可以显著降低计算误差,为水下结构振动和声辐射计算提供了一个新思路.
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| 关 键 词： | 统计能量分析 水下双层壳体 振动 声辐射 |
| 文章编号： | 1007-7294(2006)02-0146-07 |
| 收稿时间： | 2004-06-03 |
| 修稿时间： | 2004年6月3日 |
Research of applying SEA in vibration and sound radiation of submerged double cylindrical shell |
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| MIAO Xu-hong,TAO Jing-qiao,YAO Xiong-liang,YANG Na-na.Research of applying SEA in vibration and sound radiation of submerged double cylindrical shell[J].Journal of Ship Mechanics,2006,10(2):146-152. |
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| Authors: | MIAO Xu-hong TAO Jing-qiao YAO Xiong-liang YANG Na-na |
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| Institution: | 1.Naval Academy of Armament, Beijing 100073 China; 2.Harbin Engineering University, Harbin 150001, China |
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| Abstract: | SEA(Statistical Energy Analysis) is applied to analyze and calculate the liquid-solid coupled vibration and sound radiation of a submerged double cylindrical shell.At first,the mode parameters of each sub-system are acquired through theoretical compute.Comparing with the experiment,it is found out that the consult in this method has high error margin.Finally,gray forecast is used to get the mode parameters,and the result is compared with experimental.That prove the method in this paper is practical,and it also offers a new method for vibration and sound radiation of submerged structure. |
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| Keywords: | SEA submerged double cylindrical shell vibration sound radiation |
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