[1]杨德森,王文博,时洁,等.有限潜深圆柱壳低频矢量声场特性分析[J].哈尔滨工程大学学报,2020,41(2):166-174.[doi:10.11990/jheu.201902038]
 YANG Desen,WANG Wenbo,SHI Jie,et al.Low-frequency vector sound field characteristic analysis of a cylindrical shell with finite submerged depth[J].hebgcdxxb,2020,41(2):166-174.[doi:10.11990/jheu.201902038]
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有限潜深圆柱壳低频矢量声场特性分析(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
41
期数:
2020年2期
页码:
166-174
栏目:
出版日期:
2020-02-05

文章信息/Info

Title:
Low-frequency vector sound field characteristic analysis of a cylindrical shell with finite submerged depth
作者:
杨德森123 王文博3 时洁123 张宇涵3
1. 哈尔滨工程大学 水声技术重点实验室, 黑龙江 哈尔滨 150001;
2. 海洋信息获取与安全工业与信息化部重点实验室(哈尔滨工程大学), 黑龙江 哈尔滨 150001;
3. 哈尔滨工程大学 水声工程学院, 黑龙江 哈尔滨 150001
Author(s):
YANG Desen123 WANG Wenbo3 SHI Jie123 ZHANG Yuhan3
1. Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin 150001, China;
2. Key Laboratory of Marine Information Acquisition and Security(Harbin Engineering University), Ministry of Industry and Information Technology, Harbin 150001, China;
3. College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China
关键词:
自由液面圆柱壳单元辐射叠加法镜像法声场矢量信息
分类号:
P733.24
DOI:
10.11990/jheu.201902038
文献标志码:
A
摘要:
为解决复杂结构水下矢量声场预报问题,本文基于单元辐射叠加法,结合镜像法建立了有限潜深圆柱壳的声场修正模型,结合具体算例分析了有限潜深圆柱壳低频辐射声场分布特性和传播特性。研究结果表明:单元辐射叠加法与传统边界元法计算得到的结构远场辐射噪声结果具有良好的一致性;受自由液面影响,圆柱壳的辐射声场有深度方向上的波动特性;对声场矢量信息的研究显示,在远离圆柱壳的声场中,声能量更多地沿水平方向传播;在远距离固定场点辐射声压及振速随浸没深度变化的曲线上,峰值间距与介质声波波长之比是定值,不随频率变化。研究结论可为结构辐射声预报、噪声控制及噪声测量等工作提供理论依据和有用的先验信息。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-02-27。
基金项目:国家自然科学基金项目(11674074).
作者简介:杨德森,男,教授,博士生导师,中国工程院院士;时洁,女,副教授,博士生导师.
通讯作者:时洁,E-mail:shijie@hrbeu.edu.cn.
更新日期/Last Update: 2020-03-24