Article(id=1228805281237365636, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228805274362904818, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.2025.05.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1686240000000, receivedDateStr=2023-06-09, revisedDate=1694275200000, revisedDateStr=2023-09-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1770899609145, onlineDateStr=2026-02-12, pubDate=1746806400000, pubDateStr=2025-05-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770899609145, onlineIssueDateStr=2026-02-12, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770899609145, creator=13701087609, updateTime=1770899609145, updator=13701087609, issue=Issue{id=1228805274362904818, tenantId=1146029695717560320, journalId=1225147924628267009, year='2025', volume='38', issue='5', pageStart='889', pageEnd='1132', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1770899607506, creator=13701087609, updateTime=1770901500406, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1228813213828051801, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228805274362904818, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1228813213828051802, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228805274362904818, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1016, endPage=1025, ext={EN=ArticleExt(id=1228805281598075796, articleId=1228805281237365636, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Sound insulation characteristics of truss-cored flat panels based on wavenumber finite elements and boundary integral equations, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
As the main component of the train body structure, the truss-cored flat panel is situated close to the wheel-track noise source and has a large area for noise radiation, and its acoustic performance directly influences the riding comfort of trains. This paper first establishes the wavenumber finite-element model and a sound-insulation prediction model for an aluminum truss-cored train floor using wavenumber finite elements and boundary integral equations. The wavenumber, transmission loss, and eigenvectors of the structure are calculated. The dispersion characteristics, sound-insulation performance and cross-sectional wave-modes of elastic waves are studied. The calculated results are compared with the prediction given in the references to verify the proposed model. Furthermore, this paper investigates the effects of the core layer's topological geometry of the extruded panel on the sound-insulation characteristics of aluminum extruded panels. The results show that varying the topological configuration of the core layer significantly changes the variation pattern of dispersion curves of elastic waves, which affects the sound-insulation properties of aluminum extruded panels. By comparing the topologies of classic extruded structures, it is found that the ‘herringbone’ ribbed plate structure has a relatively higher sound-insulation level and lower mass. This study can provide a reference for designing quiet and lightweight extruded panels.
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列车型材板结构是车体结构的主要组成部分,距离轮轨噪声源较近、噪声辐射面积大,其声学性能直接影响列车乘坐的舒适性。本文基于波数有限元和边界积分方程建立某列车地板铝型材结构的波数有限元模型和隔声预测模型,计算型材板结构的波数、传声损失和特征向量,研究铝型材的频散特性、隔声特性及截面弹性波波动形态,并将计算结果与参考文献中结果进行对比,验证了模型的正确性;在此基础上,研究型材板结构夹芯层拓扑几何形状对铝型材隔声特性的影响。结果表明:改变夹芯层拓扑形状会显著改变弹性波频散曲线的变化规律,影响铝型材的隔声性能;对比几种常见型材拓扑结构发现:“人”字型筋板结构具有较高的隔声量和较低的质量。本研究可为型材板结构的低噪声和轻量化设计提供参考。
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, authorsList=杨益, 刘子屹, 梁树林, 陶磊毅, 边超)}, authors=[Author(id=1228805286085980374, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=yangyi_tpl@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1228805286220198118, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, authorId=1228805286085980374, language=EN, stringName=Yi YANG, firstName=Yi, middleName=null, lastName=YANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.西南交通大学轨道交通运载系统全国重点实验室,四川 成都 610031, bio={"content":"
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杨益(1987—),男,博士,副研究员。E-mail:yangyi_tpl@163.com
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1.State Key Laboratory of Rail Transit Vechicle System,Southwest Jiaotong University,Chengdu 610031,China
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1.西南交通大学轨道交通运载系统全国重点实验室,四川 成都 610031
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THOMPSON D J,
JONES C,
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Finite-element model and dimensions of the truss-cored flat panel (Unit: m), figureFileSmall=nDDzQE/sKzq77sbir4F3IA==, figureFileBig=fgLrVuT/HBZ0HxV6RcGijQ==, tableContent=null), ArticleFig(id=1228805289214931430, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图3, caption=
型材板结构有限元模型及几何尺寸 (单位:m), figureFileSmall=nDDzQE/sKzq77sbir4F3IA==, figureFileBig=fgLrVuT/HBZ0HxV6RcGijQ==, tableContent=null), ArticleFig(id=1228805289303011823, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 4, caption=
Section of aluminum profile, figureFileSmall=y2mlYauvIi+HWxZxmVqXqg==, figureFileBig=clX0fnXkiDA+sGqgdCWUbQ==, tableContent=null), ArticleFig(id=1228805289416258037, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图4, caption=
铝型材横截面, figureFileSmall=y2mlYauvIi+HWxZxmVqXqg==, figureFileBig=clX0fnXkiDA+sGqgdCWUbQ==, tableContent=null), ArticleFig(id=1228805289550475776, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 5, caption=
Dispersion curve of aluminum profile, figureFileSmall=gbT4TKUQ+UTGhqvGh7AtAw==, figureFileBig=y6thgY1JuzTHF7Y0N8TMSg==, tableContent=null), ArticleFig(id=1228805289646944771, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图5, caption=
铝型材频散曲线, figureFileSmall=gbT4TKUQ+UTGhqvGh7AtAw==, figureFileBig=y6thgY1JuzTHF7Y0N8TMSg==, tableContent=null), ArticleFig(id=1228805289739219464, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 6, caption=
Sound insulation quantity of plane wave incidence under different angles, figureFileSmall=xn9FGItCuOosgli+9CcZWQ==, figureFileBig=tET/lVC/KmnNJi4lbNKLBg==, tableContent=null), ArticleFig(id=1228805289827299858, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图6, caption=
不同角度平面波入射时的隔声量, figureFileSmall=xn9FGItCuOosgli+9CcZWQ==, figureFileBig=tET/lVC/KmnNJi4lbNKLBg==, tableContent=null), ArticleFig(id=1228805289936351764, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 7, caption=
The section vibration mode of aluminum profiles under natural frequencies, figureFileSmall=rr8+nwNF2wDlSH8wzHHs7g==, figureFileBig=NtWolFGmUCQwAn5OWPnBJg==, tableContent=null), ArticleFig(id=1228805290028626459, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图7, caption=
铝型材在固有频率下的截面振型, figureFileSmall=rr8+nwNF2wDlSH8wzHHs7g==, figureFileBig=NtWolFGmUCQwAn5OWPnBJg==, tableContent=null), ArticleFig(id=1228805290120901151, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 8, caption=
Reverberation sound insulation quantity, figureFileSmall=mz3+nX4ovsUOkSXZetT5Xw==, figureFileBig=WhDs99DKipyglbCMc2GgZw==, tableContent=null), ArticleFig(id=1228805290208981540, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图8, caption=
混响隔声量, figureFileSmall=mz3+nX4ovsUOkSXZetT5Xw==, figureFileBig=WhDs99DKipyglbCMc2GgZw==, tableContent=null), ArticleFig(id=1228805290301256234, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 9, caption=
Steel truss structure, figureFileSmall=H8YdApNIBaWEGwNAWVRrvw==, figureFileBig=f4GVlo0QT96CTTl+sXaEeQ==, tableContent=null), ArticleFig(id=1228805290380948015, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图9, caption=
钢桁架结构, figureFileSmall=H8YdApNIBaWEGwNAWVRrvw==, figureFileBig=f4GVlo0QT96CTTl+sXaEeQ==, tableContent=null), ArticleFig(id=1228805290485805618, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 10, caption=
Profile structures A-1, A-2 and A-3 composed of A-type rib plate topology, figureFileSmall=LbhWTJLwMDSMU8u0ijtGZw==, figureFileBig=z4YeT92OsXSuQWsoaIfqFA==, tableContent=null), ArticleFig(id=1228805290620023353, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图10, caption=
由A类筋板拓扑组成的铝型材A-1、A-2和A-3, figureFileSmall=LbhWTJLwMDSMU8u0ijtGZw==, figureFileBig=z4YeT92OsXSuQWsoaIfqFA==, tableContent=null), ArticleFig(id=1228805290712298047, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 11, caption=
Reverberation sound insulation quantity of profile structures A-1, A-2 and A-3, figureFileSmall=6HrY2PHYZOqP7/GxomkrGA==, figureFileBig=Kj4CNQW2O4tNEO8djqmxVg==, tableContent=null), ArticleFig(id=1228805290842321476, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图11, caption=
铝型材A-1、A-2和A-3的混响隔声量, figureFileSmall=6HrY2PHYZOqP7/GxomkrGA==, figureFileBig=Kj4CNQW2O4tNEO8djqmxVg==, tableContent=null), ArticleFig(id=1228805290930401865, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 12, caption=
Dispersion curve of aluminum profiles A-1, A-2 and A-3, figureFileSmall=6YLyEXsDJ+Ayk6NOrDZPiw==, figureFileBig=hALIZGixkgjybRAHuNabiQ==, tableContent=null), ArticleFig(id=1228805291052036683, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图12, caption=
铝型材A-1、A-2和A-3的频散曲线, figureFileSmall=6YLyEXsDJ+Ayk6NOrDZPiw==, figureFileBig=hALIZGixkgjybRAHuNabiQ==, tableContent=null), ArticleFig(id=1228805291173671507, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 13, caption=
The cross-section vibration mode of profile structures corresponding to their first resonant frequencies, figureFileSmall=mhuMbqEW3fElMMM7Lnc4Bw==, figureFileBig=aaBIZrIONP6/64eSoTfpYg==, tableContent=null), ArticleFig(id=1228805291274334808, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图13, caption=
型材结构一阶共振频率对应的截面振型, figureFileSmall=mhuMbqEW3fElMMM7Lnc4Bw==, figureFileBig=aaBIZrIONP6/64eSoTfpYg==, tableContent=null), ArticleFig(id=1228805291366609498, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 14, caption=
Profile structures B-1, B-2 and B-3 composed of B-type rib plate topology, figureFileSmall=IvbVZ+Pf1rGIAZbC79hgBw==, figureFileBig=huDJuoRK/TcxodFKxnIenw==, tableContent=null), ArticleFig(id=1228805291500827232, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图14, caption=
由B类筋板拓扑组成的铝型材B-1、B-2和B-3, figureFileSmall=IvbVZ+Pf1rGIAZbC79hgBw==, figureFileBig=huDJuoRK/TcxodFKxnIenw==, tableContent=null), ArticleFig(id=1228805291593101926, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 15, caption=
Reverberation sound insulation quantity of profile structures B-1, B-2 and B-3, figureFileSmall=26Fn3npoA2tt8ghTTsAw9A==, figureFileBig=caReCGNslFro1MlgHQSbMQ==, tableContent=null), ArticleFig(id=1228805291668599401, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图15, caption=
铝型材B-1、B-2和B-3的混响隔声量, figureFileSmall=26Fn3npoA2tt8ghTTsAw9A==, figureFileBig=caReCGNslFro1MlgHQSbMQ==, tableContent=null), ArticleFig(id=1228805291777651309, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 16, caption=
Dispersion curve of aluminum profiles B-1, B-2 and B-3, figureFileSmall=h35jUhHzhSz8DPFGYEg45Q==, figureFileBig=GShyLEYFabtKBrj+MQkpsg==, tableContent=null), ArticleFig(id=1228805291861537393, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图16, caption=
铝型材B-1、B-2和B-3的频散曲线, figureFileSmall=h35jUhHzhSz8DPFGYEg45Q==, figureFileBig=GShyLEYFabtKBrj+MQkpsg==, tableContent=null), ArticleFig(id=1228805291983172213, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 17, caption=
The cross-section vibration mode of profile structures corresponding to their first resonant frequency, figureFileSmall=DClqS8DqDzM2SiTbJoNJsg==, figureFileBig=A2i7v0QwcAQ/H1KW0LeMnA==, tableContent=null), ArticleFig(id=1228805292075446908, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图17, caption=
型材结构一阶共振频率对应的截面振型, figureFileSmall=DClqS8DqDzM2SiTbJoNJsg==, figureFileBig=A2i7v0QwcAQ/H1KW0LeMnA==, tableContent=null), ArticleFig(id=1228805292176110207, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Fig. 18, caption=
Comparison of sound insulation quantity of different rib plate topologies, figureFileSmall=4U1FR9TyHGyVL+j/RgKf6Q==, figureFileBig=9x2upxSfQPFW1bAbODQ+wQ==, tableContent=null), ArticleFig(id=1228805292272579204, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=图18, caption=
不同筋板拓扑隔声量对比, figureFileSmall=4U1FR9TyHGyVL+j/RgKf6Q==, figureFileBig=9x2upxSfQPFW1bAbODQ+wQ==, tableContent=null), ArticleFig(id=1228805292385825417, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Tab. 1, caption=
Material parameters of aluminum profile
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 密度/(kg·m−3) | 泊松比 | 弹性模量/GPa |
|---|
| 铝 | 2700 | 0.3 | 71 |
| 橡胶 | 1500 | — | — |
), ArticleFig(id=1228805292473905807, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=表1, caption=
铝型材的材料参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 密度/(kg·m−3) | 泊松比 | 弹性模量/GPa |
|---|
| 铝 | 2700 | 0.3 | 71 |
| 橡胶 | 1500 | — | — |
), ArticleFig(id=1228805292578763413, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Tab. 2, caption=
Parameters of aluminum profiles A-1, A-2 and A-3
, figureFileSmall=null, figureFileBig=null, tableContent=
| 型号 | 面密度/(kg·m−2) | 结构刚度/(N·m−1) | 第一阶固有频率/Hz | 中间筋板数 |
|---|
| A-1 | 30.58 | 5.52×107 | 277 | 16 |
| A-2 | 29.60 | 4.85×107 | 181 | 13 |
| A-3 | 27.93 | 2.60×107 | 51 | 7 |
), ArticleFig(id=1228805292666843806, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=表2, caption=
铝型材A-1、A-2和A-3的参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 型号 | 面密度/(kg·m−2) | 结构刚度/(N·m−1) | 第一阶固有频率/Hz | 中间筋板数 |
|---|
| A-1 | 30.58 | 5.52×107 | 277 | 16 |
| A-2 | 29.60 | 4.85×107 | 181 | 13 |
| A-3 | 27.93 | 2.60×107 | 51 | 7 |
), ArticleFig(id=1228805292767507106, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=EN, label=Tab. 3, caption=
Parameters of aluminum profiles B-1, B-2 and B-3
, figureFileSmall=null, figureFileBig=null, tableContent=
| 型号 | 面密度/(kg·m−2) | 结构刚度/(N·m−1) | 第一阶固有频率/Hz | 中间筋板数 |
|---|
| B-1 | 29.49 | 3.61×107 | 179 | 11 |
| B-2 | 28.87 | 2.64×107 | 125 | 9 |
| B-3 | 27.73 | 1.35×107 | 37 | 5 |
), ArticleFig(id=1228805292876559016, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805281237365636, language=CN, label=表3, caption=
铝型材B-1、B-2和B-3的参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 型号 | 面密度/(kg·m−2) | 结构刚度/(N·m−1) | 第一阶固有频率/Hz | 中间筋板数 |
|---|
| B-1 | 29.49 | 3.61×107 | 179 | 11 |
| B-2 | 28.87 | 2.64×107 | 125 | 9 |
| B-3 | 27.73 | 1.35×107 | 37 | 5 |
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