Article(id=1228295807321964980, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228295801890336965, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.2025.02.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1676390400000, receivedDateStr=2023-02-15, revisedDate=1691078400000, revisedDateStr=2023-08-04, acceptedDate=null, acceptedDateStr=null, onlineDate=1770778141097, onlineDateStr=2026-02-11, pubDate=1739116800000, pubDateStr=2025-02-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770778141097, onlineIssueDateStr=2026-02-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770778141097, creator=13701087609, updateTime=1770778141097, updator=13701087609, issue=Issue{id=1228295801890336965, tenantId=1146029695717560320, journalId=1225147924628267009, year='2025', volume='38', issue='2', pageStart='223', pageEnd='448', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1770778139803, creator=13701087609, updateTime=1770949100774, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1229012864237760763, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228295801890336965, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1229012864237760764, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228295801890336965, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=302, endPage=309, ext={EN=ArticleExt(id=1228295807582011832, articleId=1228295807321964980, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Simplified vortex modes of torsional vortex-excitation forces in a typical streamlined box girder and its suppression mechanism with aerodynamic countermeasures, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
A typical streamlined closed-box girder is taken as the research object in this paper. Utilizing the wind tunnel tests with a section model, vortex-induced vibration (VIV) responses of the grinder section were obtained, and the contribution values of the distributed aerodynamic torques were analyzed for both the original and improved girder designs (the improved girder with spoilers and the improved girder with guide vanes for maintenance rails) under typical wind conditions. By combining the simplified vortex method (SVM) with numerical simulation, the torsional VIV of the bridge girder and its suppression mechanism with additional aerodynamic countermeasures were further revealed. This paper provides a new methodology for analyzing the VIV mechanism of bridge girders and the VIV suppression mechanism of aerodynamic countermeasures. The results reveal that an obvious torsional VIV phenomenon was observed on the original girder, with a maximum amplitude of 0.112°. After adding guide vanes for the maintenance rail, the torsional VIV amplitude of the section was reduced by 35.7%, and the torsional VIV phenomenon disappears after the addition of the spoilers on the sidewalks’ handrails. For both the original and guide vane girders, the contribution values of the distributed aerodynamic torques on the upper surface to the global vortex excited force (VEF) were much greater than those on the lower surface. The VIVs of the original and guide vane girders were dominated by the periodic drift of the large-scale vortices generated from the leading edge to the trailing edge on the upper surface. The drift time of the vortices was approximately 2.5 vibration cycles, which corresponds to the second-order torsional simplified vortex mode. After the installation of guide vanes for the maintenance rails, the contribution values of the distributed aerodynamic forces to the global VEF were significantly reduced, and the scale and intensity of vortices around the girder were reduced, so the VIV amplitude decreased. After adding spoilers, the contribution values of the distributed aerodynamic forces to the global VEF became more evenly distributed and were greatly reduced.Spoilers inhibited the formation of separation vortices at the leading edge of the upper surface, effectively eliminating the VIV phenomena.
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以典型流线型闭口箱梁为研究对象,利用节段模型风洞试验,获取原始断面与优化断面(栏杆扶手抑流板断面和检修轨道导流板断面)涡振响应,并分析其典型风速下断面周围分布气动力矩贡献,结合简化涡和数值模拟方法,推演断面周围流场演变特征,揭示了流线型箱梁扭转涡振及气动措施抑振机理,为主梁扭转涡振及抑振机理分析提供了一种思路。研究表明:原始断面存在明显扭转涡振现象,其振幅达0.112°,增设检修轨道导流板后振幅降低35.7%,增设抑流板后涡振现象消失。原始断面和导流板断面涡振时,上表面分布气动力矩对涡激力矩贡献值远大于下表面,二者均由上表面大尺度前缘分离涡主导,分离涡漂移时长约为2.5个断面振动周期,对应2阶扭转简化涡模态。增设导流板后,断面上表面分布气动力矩对涡激力矩的贡献显著减小,旋涡漂移模式与断面振动之间的相位关系发生改变,断面周围旋涡作用强度减小,故涡振振幅降低。增设栏杆扶手抑流板后,上表面分布气动力矩对涡激力矩贡献值显著减小且其波浪式分布消失,上表面前缘大尺度分离涡的形成得到抑制,故断面涡振现象消失。
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, authorsList=胡传新, 官绪龙, 赵林, 葛耀君)}, authors=[Author(id=1228313045064155861, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=chuanxinhoo@126.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1228313045164819166, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, authorId=1228313045064155861, language=EN, stringName=Chuanxin HU, firstName=Chuanxin, middleName=null, lastName=HU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.School of Urban Construction, Wuhan University of Science and Technology, Wuhan 430065, China
2.Hubei Provincial Engineering Research Center of Urban Regeneration, Wuhan University of Science and Technology, Wuhan 430065, China
3.State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1228313045252899554, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, authorId=1228313045064155861, language=CN, stringName=胡传新, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.武汉科技大学城市建设学院,湖北 武汉 430065
2.武汉科技大学城市更新湖北省工程研究中心,湖北 武汉 430065
3.同济大学土木工程防灾减灾全国重点实验室,上海 200092, bio={"content":"
胡传新(1987—)男,博士,副教授。E-mail:chuanxinhoo@126.com
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主梁节段模型几何尺寸及测压孔布置(单位:mm), figureFileSmall=NwT83RUjVEct1uzOrve7bw==, figureFileBig=lVIcpIwoKsRALb8OttX5Xg==, tableContent=null), ArticleFig(id=1228313049463980937, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=EN, label=Fig. 2, caption=
Layout of attachments on the girder, figureFileSmall=PMP7JBnD3eYzb+wr8Lsj8w==, figureFileBig=n5sHAuci0qPUT9YK107SMQ==, tableContent=null), ArticleFig(id=1228313049614975889, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=CN, label=图2, caption=
主梁附属设施布置, figureFileSmall=PMP7JBnD3eYzb+wr8Lsj8w==, figureFileBig=n5sHAuci0qPUT9YK107SMQ==, tableContent=null), ArticleFig(id=1228313049711444883, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=EN, label=Fig. 3, caption=
Aerodynamic countermeasures for suppressing vortex-induced vibration (VIV), figureFileSmall=2U10IUvjWIVXw+I4DzVikg==, figureFileBig=BQNRVnozrBQRzMrf52tF9w==, tableContent=null), ArticleFig(id=1228313049824691096, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=CN, label=图3, caption=
气动抑振措施, figureFileSmall=2U10IUvjWIVXw+I4DzVikg==, figureFileBig=BQNRVnozrBQRzMrf52tF9w==, tableContent=null), ArticleFig(id=1228313049925354395, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=EN, label=Fig. 4, caption=
Comparison between torsional VIV responses of the original girder and the improved girders with aerodynamic countermeasures, figureFileSmall=/Nrfry9nSOtq+ESNM42Miw==, figureFileBig=lh/Tcrtx/wI8hLS7aosm8A==, tableContent=null), ArticleFig(id=1228313050030212002, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=CN, label=图4, caption=
原始断面及优化断面的扭转涡振响应对比, figureFileSmall=/Nrfry9nSOtq+ESNM42Miw==, figureFileBig=lh/Tcrtx/wI8hLS7aosm8A==, tableContent=null), ArticleFig(id=1228313050143458215, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=EN, label=Fig. 5, caption=
Schematic diagram of the general vortex excited force(VEF), figureFileSmall=XRHDiYCp3x2pNcuD31x1kQ==, figureFileBig=Lz1pzDEiz3p0gB9rG7rXYg==, tableContent=null), ArticleFig(id=1228313050239927213, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=CN, label=图5, caption=
涡激力矩示意图, figureFileSmall=XRHDiYCp3x2pNcuD31x1kQ==, figureFileBig=Lz1pzDEiz3p0gB9rG7rXYg==, tableContent=null), ArticleFig(id=1228313050357367731, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=EN, label=Fig. 6, caption=
Contribution values of distributed aerodynamic moment to general VEFs, figureFileSmall=gQ5WnmclDtuKfKAHuZf6dA==, figureFileBig=EPWgFtI+n4QUtzVI9mrqww==, tableContent=null), ArticleFig(id=1228313050449642424, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=CN, label=图6, caption=
分布气动力矩对涡激力矩的贡献值注:X表示测压点的横坐标,即第i测压点坐标xi的集合
, figureFileSmall=gQ5WnmclDtuKfKAHuZf6dA==, figureFileBig=EPWgFtI+n4QUtzVI9mrqww==, tableContent=null), ArticleFig(id=1228313050579665860, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=EN, label=Fig. 7, caption=
Comparison of spatial distribution of contribution values of vertical and torsional VIV of streamlined close-box girder, figureFileSmall=wBpMhL2GY2g0CNU1kkmu9A==, figureFileBig=cbncXB1KJpp97MAck/HJFQ==, tableContent=null), ArticleFig(id=1228313050684523466, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=CN, label=图7, caption=
流线型闭口箱梁原始断面竖向及扭转涡振贡献值空间分布对比, figureFileSmall=wBpMhL2GY2g0CNU1kkmu9A==, figureFileBig=cbncXB1KJpp97MAck/HJFQ==, tableContent=null), ArticleFig(id=1228313050768409552, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=EN, label=Fig. 8, caption=
Computing domain and local view of mesh, figureFileSmall=kV6e93hCEa4Cyb3sxUzk4g==, figureFileBig=W3WzB6KMOVFJ7EnhJS298Q==, tableContent=null), ArticleFig(id=1228313050869072854, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=CN, label=图8, caption=
计算域整体及细部网格划分, figureFileSmall=kV6e93hCEa4Cyb3sxUzk4g==, figureFileBig=W3WzB6KMOVFJ7EnhJS298Q==, tableContent=null), ArticleFig(id=1228313050978124767, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=EN, label=Fig. 9, caption=
Cloud images of Q values of original girder and guide vane girder at different moments in the cycle of model vibration, figureFileSmall=hR2rwlMH0vU8fJQ79qCiwA==, figureFileBig=Xod/cmh8g73U61f0mhP1+w==, tableContent=null), ArticleFig(id=1228313051108148195, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=CN, label=图9, caption=
不同断面振动周期时刻原始断面与导流板断面Q值云图, figureFileSmall=hR2rwlMH0vU8fJQ79qCiwA==, figureFileBig=Xod/cmh8g73U61f0mhP1+w==, tableContent=null), ArticleFig(id=1228313051204617194, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=EN, label=Fig. 10, caption=
Cloud image of instant Q value of spoiler girder, figureFileSmall=cbj52HAxoqMmxYwd95KIHA==, figureFileBig=VP7ezjJgfozy/yTnDCD+oQ==, tableContent=null), ArticleFig(id=1228313051317863411, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=CN, label=图10, caption=
抑流板断面瞬时Q值云图, figureFileSmall=cbj52HAxoqMmxYwd95KIHA==, figureFileBig=VP7ezjJgfozy/yTnDCD+oQ==, tableContent=null), ArticleFig(id=1228313051468858357, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=EN, label=Fig. 11, caption=
Schematic diagram of formation mechanism of separated vortex on the surface of the original girder, figureFileSmall=QNOIqWTBnPV6nCYmns1EHA==, figureFileBig=qUDEa/CN2OtqS/i1DdWcaA==, tableContent=null), ArticleFig(id=1228313051577910266, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=CN, label=图11, caption=
原始断面上表面旋涡形成机理示意图, figureFileSmall=QNOIqWTBnPV6nCYmns1EHA==, figureFileBig=qUDEa/CN2OtqS/i1DdWcaA==, tableContent=null), ArticleFig(id=1228313051691156478, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=EN, label=Fig. 12, caption=
Comparison of phase difference between the pressure over upper surface and the general VEFs, figureFileSmall=Usm7cMcqGTmLL0LBj9UKXg==, figureFileBig=5n0yIszyI7sof0iKuSus9g==, tableContent=null), ArticleFig(id=1228313051796013061, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=CN, label=图12, caption=
上表面压力与涡激力矩相位差对比, figureFileSmall=Usm7cMcqGTmLL0LBj9UKXg==, figureFileBig=5n0yIszyI7sof0iKuSus9g==, tableContent=null), ArticleFig(id=1228313051905064971, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=EN, label=Fig. 13, caption=
Schematic diagram of simplified vortex model for streamlined closed-box girder, figureFileSmall=YCsm5XgQd/xt7xEiyCGJSg==, figureFileBig=Nma14NLR+bsSbCSddj6qYA==, tableContent=null), ArticleFig(id=1228313052022505491, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=CN, label=图13, caption=
流线型箱梁简化涡示意图, figureFileSmall=YCsm5XgQd/xt7xEiyCGJSg==, figureFileBig=Nma14NLR+bsSbCSddj6qYA==, tableContent=null), ArticleFig(id=1228313052139946007, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=EN, label=Tab. 1, caption=
Modal parameters of the torsional and vertical simplified vortex model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 断面 | 涡振形式 | 简化涡模态阶数n | 旋涡漂移速度与来流风速比RU | 计算折减风速 | 折减风速U* | 误差/% |
|---|
| 原始断面 | 扭转 | 2阶 | 0.59 | 0.61 | 0.65 | 6.2 |
| 竖向 | 1阶 | 0.51 | 1.76 | 1.99 | 11.6 |
| 导流板断面 | 扭转 | 2阶 | 0.59 | 0.61 | 0.63 | 3.2 |
), ArticleFig(id=1228313052261580829, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295807321964980, language=CN, label=表1, caption=
扭转及竖向简化涡模态参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 断面 | 涡振形式 | 简化涡模态阶数n | 旋涡漂移速度与来流风速比RU | 计算折减风速 | 折减风速U* | 误差/% |
|---|
| 原始断面 | 扭转 | 2阶 | 0.59 | 0.61 | 0.65 | 6.2 |
| 竖向 | 1阶 | 0.51 | 1.76 | 1.99 | 11.6 |
| 导流板断面 | 扭转 | 2阶 | 0.59 | 0.61 | 0.63 | 3.2 |
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