Article(id=1281326807949480564, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326807345500788, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2025.12.014, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1745510400000, receivedDateStr=2025-04-25, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1783421716915, onlineDateStr=2026-07-07, pubDate=1765728000000, pubDateStr=2025-12-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783421716915, onlineIssueDateStr=2026-07-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783421716915, creator=13701087609, updateTime=1783421716915, updator=13701087609, issue=Issue{id=1281326807345500788, tenantId=1146029695717560320, journalId=1240685776644648972, year='2025', volume='29', issue='12', pageStart='1827', pageEnd='1990', issueExtLink='null', onlineDate='null', pubDate='1765728000000', pubDateStr='2025-12-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783421716772, creator='13701087609', updateTime=1783422145004, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1281328603572977733, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326807345500788, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1281328603572977734, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326807345500788, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1978, endPage=1990, ext={EN=ArticleExt(id=1281326808184361589, articleId=1281326807949480564, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Research on identification of acoustic radiation hotspots and active control mechanism of underwater cylindrical shell, columnId=1241023038381158513, journalTitle=Journal of Ship Mechanics, columnName=Hydro/Structural Acoustics, runingTitle=null, highlight=null, articleAbstract=
Accurately identifying the far-field radiation hotspots of structures is of great significance for vibration and sound radiation control. In this paper, an open-source boundary element program is used to obtain the radiation impedance matrix of the cylindrical shell, and the normal vibration velocity of the shell is extracted. Based on the singular value decomposition, the non-negative intensity and radiated sound power of the underwater cylindrical shell are obtained, and the far-field acoustic radiation model is acquired, moreover, the method is verified by finite element software. On this basis, the influence of large stiffener at the stucture, where an excitation force is applied, on non-negative intensity is discussed. Furthermore, the mathematical model of active control is established with the aim of minimizing the acoustic radiation power. The influence of control force on structural sound radiation mode is analyzed, and its influence mechanism is revealed using the non-negative intensity distribution. The results show that the radiation mode of the structural surface must be changed to reduce the radiation acoustic power. And the essence of secondary force controlling structural vibration radiation is to change the structural vibration from strong radiation mode to weak mode, thus reducing the radiation efficiency of the structure.
, authors=Jin-yan ZHENG
1, Wen-kai DONG
1, Ying-long ZHAO
2, 3, Mei-xia CHEN
1, authorsList=Jin-yan ZHENG, Wen-kai DONG, Ying-long ZHAO, Mei-xia CHEN, authorCompany=null, correspAuthors=Ying-long ZHAO, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2025 Journal of Ship Mechanics. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1281326821354476244, articleId=1281326807949480564, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=水下圆柱壳声辐射热点识别及有源控制机理研究, columnId=1241023038515376243, journalTitle=船舶力学, columnName=流体与结构声学, runingTitle=null, highlight=null, articleAbstract=
准确识别结构的远场辐射热点对振动声辐射控制具有重要意义。本文采用开源边界元程序获取圆柱壳的辐射阻抗矩阵,并提取出壳体的法向振速,基于奇异值分解获取了水下圆柱壳的非负声强和辐射声功率,获得了远场声辐射模式,并利用有限元软件进行了方法验证。在此基础上,讨论了激励力处存在大加筋对非负声强的影响。进一步,以声辐射功率最小化为目标,建立了有源控制的数学模型,分析了控制力对结构声辐射模式的影响,并利用非负声强分布揭示其影响机理。结果显示,降低辐射声功率必须改变结构表面的辐射模式;次级力控制结构振动声辐射的本质是使结构振动从强辐射模式变为弱辐射模式,降低结构的辐射效率。
, authors=郑金焱
1, 董文凯
1, 赵应龙
2, 3, 陈美霞
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2.海军工程大学 振动与噪声研究所,武汉 430033
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Illustration for solving the Helmholtz integral equation, figureFileSmall=jPB94X3LsEEMmYEVak3e7w==, figureFileBig=6TMzrW8/mH+FIwZPS81PCg==, tableContent=null), ArticleFig(id=1281326824961577722, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=图1, caption=
求解Helmholtz积分方程, figureFileSmall=jPB94X3LsEEMmYEVak3e7w==, figureFileBig=6TMzrW8/mH+FIwZPS81PCg==, tableContent=null), ArticleFig(id=1281326825146127099, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=EN, label=Fig.2, caption=
Mathematical model for active control, figureFileSmall=WfG5XgDyrchEuejNDAZ6ow==, figureFileBig=6wW9ZPmd6kCLIfG/AOCUmg==, tableContent=null), ArticleFig(id=1281326825209041660, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=图2, caption=
有源控制数学模型, figureFileSmall=WfG5XgDyrchEuejNDAZ6ow==, figureFileBig=6wW9ZPmd6kCLIfG/AOCUmg==, tableContent=null), ArticleFig(id=1281326825271956221, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=EN, label=Fig.3, caption=
Finite element model (only parts visible), figureFileSmall=ORmpqX55GTsqphvbKa3pyg==, figureFileBig=1zC9rg0AHHteXf80fsZqBg==, tableContent=null), ArticleFig(id=1281326825334870782, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=图3, caption=
有限元模型(隐藏部分网格), figureFileSmall=ORmpqX55GTsqphvbKa3pyg==, figureFileBig=1zC9rg0AHHteXf80fsZqBg==, tableContent=null), ArticleFig(id=1281326825397785343, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=EN, label=Fig.4, caption=
Grid model (with data imported in BE program), figureFileSmall=4flGTMpp7mbwl/eE2bwdrA==, figureFileBig=sFVHRVWwk7ObdHBG6FgKeA==, tableContent=null), ArticleFig(id=1281326825477477120, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=图4, caption=
导入网格模型图, figureFileSmall=4flGTMpp7mbwl/eE2bwdrA==, figureFileBig=sFVHRVWwk7ObdHBG6FgKeA==, tableContent=null), ArticleFig(id=1281326825540391681, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=EN, label=Fig.5, caption=
Comparison of calculation results of radiated sound power, figureFileSmall=2iXzb7IFaFsV0Oghxl8dwA==, figureFileBig=fWGLfjIg58/w78Ft/sGc+g==, tableContent=null), ArticleFig(id=1281326825594917634, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=图5, caption=
辐射声功率计算结果对比, figureFileSmall=2iXzb7IFaFsV0Oghxl8dwA==, figureFileBig=fWGLfjIg58/w78Ft/sGc+g==, tableContent=null), ArticleFig(id=1281326825657832195, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=EN, label=Fig.6, caption=
Model with large stiffener at the position where excitation force being applied, figureFileSmall=i7D2EeUhbFyBrLIUXJNpAw==, figureFileBig=KGuFgNjHA8YcN8/dYjH+Dw==, tableContent=null), ArticleFig(id=1281326825729135364, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=图6, caption=
激励力处存在强加筋模型图, figureFileSmall=i7D2EeUhbFyBrLIUXJNpAw==, figureFileBig=KGuFgNjHA8YcN8/dYjH+Dw==, tableContent=null), ArticleFig(id=1281326825813021445, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=EN, label=Fig.7, caption=
Effect of large stiffener on vibration acoustic radiation of cylindrical shell, figureFileSmall=DPRxSxFwkMMhAm8pkd3Rwg==, figureFileBig=uNU+TL+Zxl9o7QQAHSbK4Q==, tableContent=null), ArticleFig(id=1281326825867547398, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=图7, caption=
强加筋对圆柱壳振动声辐射的影响, figureFileSmall=DPRxSxFwkMMhAm8pkd3Rwg==, figureFileBig=uNU+TL+Zxl9o7QQAHSbK4Q==, tableContent=null), ArticleFig(id=1281326825938850567, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=EN, label=Fig.8, caption=
Contour plot of normal velocity and non-negative sound intensity of cylindrical shell with and without stiffener at 278 Hz, figureFileSmall=LmpiFLH0MWPAvW5rtFjLyw==, figureFileBig=yg8FlSutpzgcs+IYNTNGig==, tableContent=null), ArticleFig(id=1281326825993376520, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=图8, caption=
激励处有无加筋对应的圆柱壳法向振速与非负声强云图(278 Hz), figureFileSmall=LmpiFLH0MWPAvW5rtFjLyw==, figureFileBig=yg8FlSutpzgcs+IYNTNGig==, tableContent=null), ArticleFig(id=1281326826060485385, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=EN, label=Fig.9, caption=
Different positions for control force, figureFileSmall=LYZFhnQTpS3tpMNPcKhCNg==, figureFileBig=BbcfFrn8cOhn0ykEcivFSQ==, tableContent=null), ArticleFig(id=1281326826127594250, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=图9, caption=
控制力不同布放位置示意图, figureFileSmall=LYZFhnQTpS3tpMNPcKhCNg==, figureFileBig=BbcfFrn8cOhn0ykEcivFSQ==, tableContent=null), ArticleFig(id=1281326826190508811, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=EN, label=Fig.10, caption=
Active control with sound power as objective function, figureFileSmall=O6jYOWcRqw4JlTZhfs05Pw==, figureFileBig=eAXpAmHRBKBA638DyadALg==, tableContent=null), ArticleFig(id=1281326826253423372, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=图10, caption=
声功率为目标函数的有源控制, figureFileSmall=O6jYOWcRqw4JlTZhfs05Pw==, figureFileBig=eAXpAmHRBKBA638DyadALg==, tableContent=null), ArticleFig(id=1281326826324726541, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=EN, label=Fig.11, caption=
Contour plot of response for 402 Hz, figureFileSmall=UOPc+dN0IeLuyvqHi6rU4g==, figureFileBig=TVrkcJgMjeXYGKDZO7MvFA==, tableContent=null), ArticleFig(id=1281326826400224014, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=图11, caption=
响应云图(402 Hz), figureFileSmall=UOPc+dN0IeLuyvqHi6rU4g==, figureFileBig=TVrkcJgMjeXYGKDZO7MvFA==, tableContent=null), ArticleFig(id=1281326826484110095, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=EN, label=Fig.12, caption=
Contour plot of the normal velocity and non-negative sound intensity of cylindrical shell before and after control at 150 Hz, figureFileSmall=M2ZKhWYGvOHLQLVcnME9RA==, figureFileBig=FpQGlok3Rr0Bu3qvBbGgBw==, tableContent=null), ArticleFig(id=1281326826555413264, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=图12, caption=
控制前后圆柱壳法向振速与非负声强云图(150 Hz), figureFileSmall=M2ZKhWYGvOHLQLVcnME9RA==, figureFileBig=FpQGlok3Rr0Bu3qvBbGgBw==, tableContent=null), ArticleFig(id=1281326826635105041, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=EN, label=Fig.13, caption=
Contour plot of the normal velocity and non-negative intensity of cylindrical shell before and after control at 278 Hz, figureFileSmall=o1T8eShqn/gUOQ+f77NXfA==, figureFileBig=L7uvhRsabxPoaCwSov2Bfw==, tableContent=null), ArticleFig(id=1281326826702213906, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=图13, caption=
控制前后圆柱壳非负声强与法向振速云图(278 Hz), figureFileSmall=o1T8eShqn/gUOQ+f77NXfA==, figureFileBig=L7uvhRsabxPoaCwSov2Bfw==, tableContent=null), ArticleFig(id=1281326826794488595, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=EN, label=Fig.14, caption=
Contour plot of the non-negative sound intensity of cylindrical shell under different control forces at 278 Hz, figureFileSmall=johxAKDztMRp6mk3OiCyPQ==, figureFileBig=jSmtbeIilFT9DIy2Q1bu0Q==, tableContent=null), ArticleFig(id=1281326826878374676, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=图14, caption=
不同控制力作用下的圆柱壳非负声强云图(278 Hz), figureFileSmall=johxAKDztMRp6mk3OiCyPQ==, figureFileBig=jSmtbeIilFT9DIy2Q1bu0Q==, tableContent=null), ArticleFig(id=1281326826949677845, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=EN, label=Tab.1, caption=
Basic parameters of the calculation model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 符号/单位 | 数值 |
|---|
| 壳体长度 | L1/m | 1.2 |
| 壳体半径 | R1/m | 0.4 |
| 厚度 | t/mm | 3 |
| 弹性模量 | E/Pa | 2.1E11 |
| 密度 | ρ1/kg·m−3 | 7800 |
| 泊松比 | μ/1 | 0.3 |
| 流体密度 | ρ0/kg·m−3 | 1000 |
| 流体声速 | c0/m·s−1 | 1500 |
), ArticleFig(id=1281326827041952534, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326807949480564, language=CN, label=表1, caption=
计算模型基本参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 符号/单位 | 数值 |
|---|
| 壳体长度 | L1/m | 1.2 |
| 壳体半径 | R1/m | 0.4 |
| 厚度 | t/mm | 3 |
| 弹性模量 | E/Pa | 2.1E11 |
| 密度 | ρ1/kg·m−3 | 7800 |
| 泊松比 | μ/1 | 0.3 |
| 流体密度 | ρ0/kg·m−3 | 1000 |
| 流体声速 | c0/m·s−1 | 1500 |
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