Article(id=1324392813013631948, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1324392762614882315, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2026.07.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1764518400000, receivedDateStr=2025-12-01, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793689452650, onlineDateStr=2026-11-03, pubDate=1784044800000, pubDateStr=2026-07-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793689452650, onlineIssueDateStr=2026-11-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793689452650, creator=13701087609, updateTime=1793689452650, updator=13701087609, issue=Issue{id=1324392762614882315, tenantId=1146029695717560320, journalId=1240685776644648972, year='2026', volume='30', issue='7', pageStart='1041', pageEnd='1220', issueExtLink='null', onlineDate='null', pubDate='1784044800000', pubDateStr='2026-07-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793689440634, creator='13701087609', updateTime=1793689440634, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=1131, endPage=1146, ext={EN=ArticleExt(id=1324392814754268109, articleId=1324392813013631948, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Optimization method of measuring points for the reconstruction of the deformation field of typical ship structures, columnId=1242129251223274417, journalTitle=Journal of Ship Mechanics, columnName=Structural Mechanics, runingTitle=null, highlight=null, articleAbstract=
In response to the problems of excessive measurement points and low nonlinear segment reconstruction efficiency in the deformation field reconstruction of ship structures, this paper proposes a deformation field reconstruction method (iFEM-PSO) based on dynamic measurement field optimization combining inverse finite element method (iFEM) and particle swarm optimization algorithm (PSO). Taking three typical hull plate structures of flat plates, open flat plates and open reinforced plates as objects, different order buckling modes are applied as initial defects to obtain different failure characteristics, and the reconstruction accuracy under the input of optimized measurement points and full measurement points is compared and analyzed. The results show that the iFEM-PSO method can reduce the number of required strain sensors by about 75%, and the overall reconstruction error remains within 15%, effectively verifying its accuracy and efficiency in nonlinear deformation reconstruction. The optimized measurement points are mainly concentrated in areas with large initial defects, structural boundaries and stress concentration areas (such as the periphery of the opening, the connection between the ribs and plates), and the reconstruction accuracy is proportional to the degree of failure, revealing the inherent correlation between the failure characteristics and the sensitive areas of the measurement point, and providing theoretical basis and technical support for the optimization arrangement of the reconstruction measurement points of the typical structural deformation field of the ship.
, authors=Jia-yi PENG, Peng-yu WEI, authorsList=Jia-yi PENG, Peng-yu WEI, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2026 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=1324392842872881336, articleId=1324392813013631948, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=船舶典型结构变形场重构测点优化方法研究, columnId=1241023038926410098, journalTitle=船舶力学, columnName=结构力学, runingTitle=null, highlight=null, articleAbstract=
本文提出一种结合逆向有限元法(iFEM)与粒子群优化算法(PSO)的基于动态测点优化的变形场重构方法(iFEM-PSO),以解决船舶结构变形场重构中测点数量多及非线性段重构效率低的问题。以平板、开口平板及开口加筋板三类典型船体板架结构为对象,通过施加不同阶次屈曲模态作为初始缺陷,得到不同失效特征,对比分析了优化测点与全测点输入下的重构精度。结果表明:iFEM-PSO方法能将所需应变传感器数量降低约75%,同时重构误差总体控制在15%以内,有效验证了该方法在非线性变形重构中的准确性与高效性。优化后的测点主要集中于初始缺陷较大区域、结构边界及应力集中区(如开口周边、筋−板连接处),且重构精度与失效程度成正比,揭示了失效特征与测点敏感区域的内在关联,为船舶典型结构变形场重构测点优化布置提供了理论依据和技术支撑。
, authors=彭佳怡, 韦朋余, authorsList=彭佳怡, 韦朋余, authorCompany=null, correspAuthors=null, authorNote=
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(in Chinese), articleTitle=null, refAbstract=null), Reference(id=1324392855816503573, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=17, rfOrder=22, authorNames=null, journalName=null, refType=null, unstructuredReference=李 婧. 基于逆有限元法的某舱室结构变形监测系统开发[D]. 武汉: 华中科技大学, 2022., articleTitle=null, refAbstract=null), Reference(id=1324392855917166870, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=17, rfOrder=23, authorNames=null, journalName=null, refType=null, unstructuredReference=Li J. Development of deformation monitoring system for cabin structure based on inverse Finite Element Method[D]. Wuhan: Huazhong University of Science and Technology, 2022. (in Chinese), articleTitle=null, refAbstract=null), Reference(id=1324392856009441559, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=18, rfOrder=24, authorNames=null, journalName=null, refType=null, unstructuredReference=Xiang W, Xing Y. A new first-order shear deformation theory for free vibrations of rectangular plate[J]. 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Chinese Journal of Computational Mechanics, 2025, 42(6): 1020‒1026,1055. (in Chinese), articleTitle=null, refAbstract=null), Reference(id=1324392856240128282, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=20, rfOrder=27, authorNames=null, journalName=null, refType=null, unstructuredReference=刘 东. 基于修正增量迭代法评估船体梁极限强度研究[D]. 武汉: 武汉理工大学, 2022., articleTitle=null, refAbstract=null), Reference(id=1324392856340791579, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=20, rfOrder=28, authorNames=null, journalName=null, refType=null, unstructuredReference=Liu D. Research on ultimate strength assessment of hull girder based on modified incremental-iterative method[D]. Wuhan: Wuhan University of Technology, 2022. (in Chinese), articleTitle=null, refAbstract=null), Reference(id=1324392856441454876, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=21, rfOrder=29, authorNames=null, journalName=null, refType=null, unstructuredReference=Essa K S, Elhussein M. PSO (Particle Swarm Optimization) for interpretation of magnetic anomalies caused by simple geometrical structures[J]. Pure and Applied Geophysics, 2018, 175(10): 3539-3553., articleTitle=null, refAbstract=null)], funds=[Fund(id=1324392852314259710, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, awardId=null, language=CN, fundingSource=船舶总体性能创新研究开放基金(26822212), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1324392843145511097, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, xref=null, ext=[AuthorCompanyExt(id=1324392843153899706, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, companyId=1324392843145511097, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=China Ship Scientific Research Center, Wuxi 214082, China), AuthorCompanyExt(id=1324392843166482619, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, companyId=1324392843145511097, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=中国船舶科学研究中心,江苏 无锡 214082)])], figs=[ArticleFig(id=1324392844290556108, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.1, caption=
Schematic diagram of the four-node inverse shell element (iQS4), figureFileSmall=UY9B8VpLeZJ3eoyWKGx3AA==, figureFileBig=U6svy1UOJmr/rza7a/ur9w==, tableContent=null), ArticleFig(id=1324392845880197325, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图1, caption=
四节点逆壳单元(iQS4)示意图, figureFileSmall=UY9B8VpLeZJ3eoyWKGx3AA==, figureFileBig=U6svy1UOJmr/rza7a/ur9w==, tableContent=null), ArticleFig(id=1324392846106689742, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.2, caption=
Optimization method, figureFileSmall=Y+43lbV+qNXEd28f/1xgyw==, figureFileBig=IptNd2Jqk8fF/+zBlK5DNw==, tableContent=null), ArticleFig(id=1324392846186381519, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图2, caption=
优化方法, figureFileSmall=Y+43lbV+qNXEd28f/1xgyw==, figureFileBig=IptNd2Jqk8fF/+zBlK5DNw==, tableContent=null), ArticleFig(id=1324392846278656208, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.3, caption=
Plate model, figureFileSmall=c3M79JZmjHGTqNqEkDr5Ag==, figureFileBig=xbs+TzhSxFrrLSIj0ZyA7w==, tableContent=null), ArticleFig(id=1324392846366736593, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图3, caption=
平板模型, figureFileSmall=c3M79JZmjHGTqNqEkDr5Ag==, figureFileBig=xbs+TzhSxFrrLSIj0ZyA7w==, tableContent=null), ArticleFig(id=1324392846450622674, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.4, caption=
Displacement simulation of plate with different initial defects, figureFileSmall=V+B9gk+D3WvUA8pq3C7vfQ==, figureFileBig=lKd/IlsVT4/c+A6XNOwvkQ==, tableContent=null), ArticleFig(id=1324392846530314451, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图4, caption=
平板不同初始缺陷下的位移仿真, figureFileSmall=V+B9gk+D3WvUA8pq3C7vfQ==, figureFileBig=lKd/IlsVT4/c+A6XNOwvkQ==, tableContent=null), ArticleFig(id=1324392846610006228, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.5, caption=
First-order buckling mode as the initial defect reconstruction, figureFileSmall=hFliyynSaqgYjzbO66EHIA==, figureFileBig=YK1pUkU4/NoGyPSMShXvWQ==, tableContent=null), ArticleFig(id=1324392846693892309, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图5, caption=
1阶屈曲模态作为初始缺陷的重构, figureFileSmall=hFliyynSaqgYjzbO66EHIA==, figureFileBig=YK1pUkU4/NoGyPSMShXvWQ==, tableContent=null), ArticleFig(id=1324392846836498646, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.6, caption=
Second-order buckling mode as the initial defect reconstruction, figureFileSmall=oOCbAWjlyhH9kT+7Hygp7Q==, figureFileBig=ffiJ52jWaYuvDbooT8QRVw==, tableContent=null), ArticleFig(id=1324392846974910679, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图6, caption=
2阶屈曲模态作为初始缺陷的重构, figureFileSmall=oOCbAWjlyhH9kT+7Hygp7Q==, figureFileBig=ffiJ52jWaYuvDbooT8QRVw==, tableContent=null), ArticleFig(id=1324392847067185368, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.7, caption=
Third-order buckling mode as the initial defect reconstruction, figureFileSmall=QS7t+ssTutp8ebEImOcBQg==, figureFileBig=7kKpJRYfqcQ5eLYa7LQOqw==, tableContent=null), ArticleFig(id=1324392847138488537, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图7, caption=
3阶屈曲模态作为初始缺陷的重构, figureFileSmall=QS7t+ssTutp8ebEImOcBQg==, figureFileBig=7kKpJRYfqcQ5eLYa7LQOqw==, tableContent=null), ArticleFig(id=1324392847213986010, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.8, caption=
Plate model with a cutout, figureFileSmall=fdc2T9+NWN2XPuKD+3PTng==, figureFileBig=wEo0T47KLeyYMoNHrJmtYA==, tableContent=null), ArticleFig(id=1324392847268511963, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图8, caption=
开口平板模型, figureFileSmall=fdc2T9+NWN2XPuKD+3PTng==, figureFileBig=wEo0T47KLeyYMoNHrJmtYA==, tableContent=null), ArticleFig(id=1324392847339815132, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.9, caption=
Displacement simulation of plate with a cutout with different initial defects, figureFileSmall=c6jAC3wsxsoQYZsYSl806w==, figureFileBig=lNlBSus+Fc8mPmZl/YG/qQ==, tableContent=null), ArticleFig(id=1324392847411118301, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图9, caption=
开口平板不同初始缺陷下的位移仿真, figureFileSmall=c6jAC3wsxsoQYZsYSl806w==, figureFileBig=lNlBSus+Fc8mPmZl/YG/qQ==, tableContent=null), ArticleFig(id=1324392847486615774, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.10, caption=
First-order buckling mode as the initial defect reconstruction, figureFileSmall=NHD8I2EP6eee3js3VBodEw==, figureFileBig=l3ldI3cdGZutmxeEg8mYIw==, tableContent=null), ArticleFig(id=1324392847553724639, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图10, caption=
1阶屈曲模态作为初始缺陷的重构, figureFileSmall=NHD8I2EP6eee3js3VBodEw==, figureFileBig=l3ldI3cdGZutmxeEg8mYIw==, tableContent=null), ArticleFig(id=1324392847616639200, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.11, caption=
Second-order buckling mode as the initial defect reconstruction, figureFileSmall=/NQWlA6/km+xtm0kfJOpAw==, figureFileBig=E6Vvy3n01UtzCqvV+GR7Cg==, tableContent=null), ArticleFig(id=1324392847687942369, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图11, caption=
2阶屈曲模态作为初始缺陷的重构, figureFileSmall=/NQWlA6/km+xtm0kfJOpAw==, figureFileBig=E6Vvy3n01UtzCqvV+GR7Cg==, tableContent=null), ArticleFig(id=1324392847771828450, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.12, caption=
Third-order buckling mode as the initial defect reconstruction, figureFileSmall=NJmpirmoNO72ylM94Ds4mw==, figureFileBig=NozLQtLvQhxd6i31YqsW6A==, tableContent=null), ArticleFig(id=1324392847843131619, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图12, caption=
3阶屈曲模态作为初始缺陷的重构, figureFileSmall=NJmpirmoNO72ylM94Ds4mw==, figureFileBig=NozLQtLvQhxd6i31YqsW6A==, tableContent=null), ArticleFig(id=1324392847927017700, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.13, caption=
Stiffened plate model with a cutout, figureFileSmall=EQSXcF7hyXPFrg9u5BBBfA==, figureFileBig=jP6mYaXxF3VFoiSe/8SrNA==, tableContent=null), ArticleFig(id=1324392848023486693, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图13, caption=
开口加筋板模型, figureFileSmall=EQSXcF7hyXPFrg9u5BBBfA==, figureFileBig=jP6mYaXxF3VFoiSe/8SrNA==, tableContent=null), ArticleFig(id=1324392848094789862, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.14, caption=
Displacement simulation of stiffened plate model with a cutout with different initial defects, figureFileSmall=xOJXbOvcZb8nOIXMFxpJ4A==, figureFileBig=JFyu/qcn7JwnwbMHESuPEQ==, tableContent=null), ArticleFig(id=1324392848153510119, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图14, caption=
开口加筋板不同初始缺陷下的位移仿真, figureFileSmall=xOJXbOvcZb8nOIXMFxpJ4A==, figureFileBig=JFyu/qcn7JwnwbMHESuPEQ==, tableContent=null), ArticleFig(id=1324392848270950632, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.15, caption=
First-order buckling mode as the initial defect reconstruction, figureFileSmall=Fkw+U+OcLueHaw+oO933Ig==, figureFileBig=UA7vUl8Vfy6x/TDO33tN2w==, tableContent=null), ArticleFig(id=1324392848346448105, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图15, caption=
1阶屈曲模态作为初始缺陷的重构, figureFileSmall=Fkw+U+OcLueHaw+oO933Ig==, figureFileBig=UA7vUl8Vfy6x/TDO33tN2w==, tableContent=null), ArticleFig(id=1324392848421945578, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.16, caption=
Second-order buckling mode as the initial defect reconstruction, figureFileSmall=oOGZy0AgoOCrvLuCI+9s1w==, figureFileBig=3G0YLEWIkQUL3IS8jouSvQ==, tableContent=null), ArticleFig(id=1324392848505831659, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图16, caption=
2阶屈曲模态作为初始缺陷的重构, figureFileSmall=oOGZy0AgoOCrvLuCI+9s1w==, figureFileBig=3G0YLEWIkQUL3IS8jouSvQ==, tableContent=null), ArticleFig(id=1324392848568746220, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.17, caption=
Third-order buckling mode as the initial defect reconstruction, figureFileSmall=1Bv6bFXwg2Bfae5h59XzLg==, figureFileBig=ko7PKvijqoXsYc1Ct03HlQ==, tableContent=null), ArticleFig(id=1324392848648437997, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图17, caption=
3阶屈曲模态作为初始缺陷的重构, figureFileSmall=1Bv6bFXwg2Bfae5h59XzLg==, figureFileBig=ko7PKvijqoXsYc1Ct03HlQ==, tableContent=null), ArticleFig(id=1324392850359714030, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.18, caption=
Three order buckling modes superposition as the initial defect reconstruction, figureFileSmall=u6BZAifRGX+7i0B6cyvpHw==, figureFileBig=RyAFA8ejibMSL+PjSDLdFw==, tableContent=null), ArticleFig(id=1324392850456183023, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图18, caption=
三个屈曲模态叠加作为初始缺陷的重构, figureFileSmall=u6BZAifRGX+7i0B6cyvpHw==, figureFileBig=RyAFA8ejibMSL+PjSDLdFw==, tableContent=null), ArticleFig(id=1324392850716229872, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Fig.19, caption=
Selection of verification nodes for stiffened plate model with a cutout, figureFileSmall=hkrR99iKPSPFWzEvgk/9Tw==, figureFileBig=69D668BslVuN00NPl2ibEw==, tableContent=null), ArticleFig(id=1324392850791727345, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=图19, caption=
开口加筋板的验证节点选取, figureFileSmall=hkrR99iKPSPFWzEvgk/9Tw==, figureFileBig=69D668BslVuN00NPl2ibEw==, tableContent=null), ArticleFig(id=1324392850863030514, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Tab.1, caption=
Geometric characteristics and material parameters of the plate
, figureFileSmall=null, figureFileBig=null, tableContent=
尺寸/ mm | 密度/ (t·mm−3) | 弹性模量/ MPa | 泊松比 | 屈服强度/ MPa |
| 600×180×4 | 7.85×10−9 | 210000 | 0.3 | 235 |
), ArticleFig(id=1324392850942722291, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=表1, caption=
平板的几何特征与材料参数
, figureFileSmall=null, figureFileBig=null, tableContent=
尺寸/ mm | 密度/ (t·mm−3) | 弹性模量/ MPa | 泊松比 | 屈服强度/ MPa |
| 600×180×4 | 7.85×10−9 | 210000 | 0.3 | 235 |
), ArticleFig(id=1324392851206963444, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=EN, label=Tab.2, caption=
Error of plate reconstruction results compared with simulation
, figureFileSmall=null, figureFileBig=null, tableContent=
| 1阶初始缺陷的误差 | | 2阶初始缺陷的误差 | | 3阶初始缺陷的误差 |
| 节点号 | 优化后输入 | 测点全输入 | | 优化后输入 | 测点全输入 | | 优化后输入 | 测点全输入 |
| 16 | 6.13% | 0.10% | | 12.41% | 0.69% | | 15.42% | 0.93% |
| 46 | 6.87% | 0.01% | | 9.78% | 0.11% | | 6.91% | 0.25% |
| 565 | 10.39% | 0.16% | | 13.00% | 0.50% | | 10.99% | 0.50% |
| 568 | 9.67% | 0.10% | | 11.20% | 0.50% | | 8.33% | 0.55% |
| 595 | 13.15% | 0.02% | | 5.23% | 0.33% | | 6.85% | 0.44% |
| 599 | 11.87% | 0.05% | | 8.84% | 0.24% | | 11.03% | 0.43% |
| 1114 | 8.08% | 0.18% | | 13.33% | 1.05% | | 15.50% | 1.28% |
| 最大空间位移节点 | 6.78% | 0.51% | | 9.34% | 1.30% | | 6.91% | 1.28% |
), ArticleFig(id=1324392851299238133, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392813013631948, language=CN, label=表2, caption=
与仿真对比的平板重构结果误差
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| 1阶初始缺陷的误差 | | 2阶初始缺陷的误差 | | 3阶初始缺陷的误差 |
| 节点号 | 优化后输入 | 测点全输入 | | 优化后输入 | 测点全输入 | | 优化后输入 | 测点全输入 |
| 16 | 6.13% | 0.10% | | 12.41% | 0.69% | | 15.42% | 0.93% |
| 46 | 6.87% | 0.01% | | 9.78% | 0.11% | | 6.91% | 0.25% |
| 565 | 10.39% | 0.16% | | 13.00% | 0.50% | | 10.99% | 0.50% |
| 568 | 9.67% | 0.10% | | 11.20% | 0.50% | | 8.33% | 0.55% |
| 595 | 13.15% | 0.02% | | 5.23% | 0.33% | | 6.85% | 0.44% |
| 599 | 11.87% | 0.05% | | 8.84% | 0.24% | | 11.03% | 0.43% |
| 1114 | 8.08% | 0.18% | | 13.33% | 1.05% | | 15.50% | 1.28% |
| 最大空间位移节点 | 6.78% | 0.51% | | 9.34% | 1.30% | | 6.91% | 1.28% |
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Geometric characteristics and material parameters of the plate with a cutout
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尺寸/ mm | 开口 尺寸/ mm | 密度/ (t·mm−3) | 弹性 模量/ MPa | 泊松比 | 屈服 强度/ MPa |
| 600×180×4 | 60×60 | 7.85×10−9 | 210000 | 0.3 | 235 |
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开口平板的几何特征与材料参数
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尺寸/ mm | 开口 尺寸/ mm | 密度/ (t·mm−3) | 弹性 模量/ MPa | 泊松比 | 屈服 强度/ MPa |
| 600×180×4 | 60×60 | 7.85×10−9 | 210000 | 0.3 | 235 |
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Error of plate with a cutout reconstruction results compared with simulation
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| 1阶初始缺陷的误差 | | 2阶初始缺陷的误差 | | 3阶初始缺陷的误差 |
| 节点号 | 优化后输入 | 测点全输入 | | 优化后输入 | 测点全输入 | | 优化后输入 | 测点全输入 |
| 16 | 13.20% | 0.19% | | 12.59% | 1.37% | | 27.24% | 2.82% |
| 46 | 10.95% | 0.76% | | 6.44% | 0.52% | | 33.93% | 0.98% |
| 565 | 13.65% | 0.12% | | 15.96% | 0.91% | | 13.91% | 1.61% |
| 568 | 5.06% | 0.11% | | 9.40% | 0.67% | | 39.28% | 1.06% |
| 595 | 5.66% | 0.14% | | 10.46% | 0.66% | | 12.58% | 1.03% |
| 599 | 8.01% | 0.11% | | 8.34% | 0.62% | | 41.50% | 0.90% |
| 1114 | 13.22% | 0.01% | | 8.73% | 1.46% | | 15.75% | 0.31% |
| 378 | 8.67% | 0.14% | | 5.43% | 1.22% | | 10.85% | 1.46% |
| 250 | 9.17% | 0.17% | | 9.87% | 0.99% | | 13.66% | 2.23% |
| 217 | 5.10% | 0.47% | | 7.39% | 0.78% | | 9.07% | 3.03% |
| 最大空间位移节点 | 13.05% | 0.36% | | 22.36% | 1.07% | | 40.10% | 2.13% |
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与仿真对比的开口平板重构结果误差
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| 1阶初始缺陷的误差 | | 2阶初始缺陷的误差 | | 3阶初始缺陷的误差 |
| 节点号 | 优化后输入 | 测点全输入 | | 优化后输入 | 测点全输入 | | 优化后输入 | 测点全输入 |
| 16 | 13.20% | 0.19% | | 12.59% | 1.37% | | 27.24% | 2.82% |
| 46 | 10.95% | 0.76% | | 6.44% | 0.52% | | 33.93% | 0.98% |
| 565 | 13.65% | 0.12% | | 15.96% | 0.91% | | 13.91% | 1.61% |
| 568 | 5.06% | 0.11% | | 9.40% | 0.67% | | 39.28% | 1.06% |
| 595 | 5.66% | 0.14% | | 10.46% | 0.66% | | 12.58% | 1.03% |
| 599 | 8.01% | 0.11% | | 8.34% | 0.62% | | 41.50% | 0.90% |
| 1114 | 13.22% | 0.01% | | 8.73% | 1.46% | | 15.75% | 0.31% |
| 378 | 8.67% | 0.14% | | 5.43% | 1.22% | | 10.85% | 1.46% |
| 250 | 9.17% | 0.17% | | 9.87% | 0.99% | | 13.66% | 2.23% |
| 217 | 5.10% | 0.47% | | 7.39% | 0.78% | | 9.07% | 3.03% |
| 最大空间位移节点 | 13.05% | 0.36% | | 22.36% | 1.07% | | 40.10% | 2.13% |
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Geometric characteristics and material parameters of the stiffened plate with a cutout
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| 平板尺寸/mm | 平板厚度/mm | 加强筋尺寸/mm | 加强筋厚度/mm | 两筋间距/mm | 密度/(t·mm−3) | 弹性模量/MPa | 泊松比 | 屈服强度/MPa |
| 600×600 | 4 | 600×60 | 3 | 200 | 7.85×10−9 | 210000 | 0.3 | 235 |
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开口加筋板的几何特征与材料参数
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| 平板尺寸/mm | 平板厚度/mm | 加强筋尺寸/mm | 加强筋厚度/mm | 两筋间距/mm | 密度/(t·mm−3) | 弹性模量/MPa | 泊松比 | 屈服强度/MPa |
| 600×600 | 4 | 600×60 | 3 | 200 | 7.85×10−9 | 210000 | 0.3 | 235 |
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Error of stiffened plate with a cutout reconstruction results compared with simulation
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| 1阶模态作为初始缺陷的误差 | | 2阶模态作为初始缺陷的误差 | | 三个模态参加作为初始缺陷的误差 | | 3阶模态作为初始缺陷的误差 |
| 节点号 | 优化后 输入 | 测点全 输入 | | 优化后 输入 | 测点全 输入 | | 优化后 输入 | 测点全 输入 | 节点号 | 优化后 输入 | 测点全 输入 |
| 底板46 | 2.78% | 0.29% | | 10.69% | 4.24% | | 4.91% | 1.70% | 底板45 | 21.29% | 19.69% |
| 底板49 | 3.97% | 1.02% | | 9.69% | 3.64% | | 12.05% | 1.44% | 底板53 | 15.68% | 16.06% |
| 底板52 | 4.62% | 1.49% | | 11.57% | 5.48% | | 22.21% | 1.52% | 底板95 | 17.38% | 15.41% |
| 底板96 | 11.27% | 1.34% | | 6.03% | 1.06% | | 10.43% | 0.86% | 底板103 | 16.16% | 11.36% |
| 底板99 | 6.44% | 0.73% | | 8.06% | 8.51% | | 6.16% | 0.80% | 筋124 | 18.51% | 15.98% |
| 底板102 | 4.83% | 0.14% | | 9.61% | 0.07% | | 5.54% | 0.94% | 筋132 | 14.99% | 10.44% |
| 筋128 | 2.86% | 2.72% | | 6.75% | 9.96% | | 0.00% | 2.44% | 筋153 | 13.23% | 11.04% |
| 筋157 | 2.90% | 2.21% | | 4.75% | 2.28% | | 2.25% | 2.71% | 筋161 | 11.29% | 16.96% |
最大空间 位移节点 | 3.97% | 0.73% | | 9.69% | 3.64% | | 6.16% | 0.80% | 最大空间 位移节点 | 15.63% | 15.41% |
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与仿真对比的开口加筋板重构结果误差
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| 1阶模态作为初始缺陷的误差 | | 2阶模态作为初始缺陷的误差 | | 三个模态参加作为初始缺陷的误差 | | 3阶模态作为初始缺陷的误差 |
| 节点号 | 优化后 输入 | 测点全 输入 | | 优化后 输入 | 测点全 输入 | | 优化后 输入 | 测点全 输入 | 节点号 | 优化后 输入 | 测点全 输入 |
| 底板46 | 2.78% | 0.29% | | 10.69% | 4.24% | | 4.91% | 1.70% | 底板45 | 21.29% | 19.69% |
| 底板49 | 3.97% | 1.02% | | 9.69% | 3.64% | | 12.05% | 1.44% | 底板53 | 15.68% | 16.06% |
| 底板52 | 4.62% | 1.49% | | 11.57% | 5.48% | | 22.21% | 1.52% | 底板95 | 17.38% | 15.41% |
| 底板96 | 11.27% | 1.34% | | 6.03% | 1.06% | | 10.43% | 0.86% | 底板103 | 16.16% | 11.36% |
| 底板99 | 6.44% | 0.73% | | 8.06% | 8.51% | | 6.16% | 0.80% | 筋124 | 18.51% | 15.98% |
| 底板102 | 4.83% | 0.14% | | 9.61% | 0.07% | | 5.54% | 0.94% | 筋132 | 14.99% | 10.44% |
| 筋128 | 2.86% | 2.72% | | 6.75% | 9.96% | | 0.00% | 2.44% | 筋153 | 13.23% | 11.04% |
| 筋157 | 2.90% | 2.21% | | 4.75% | 2.28% | | 2.25% | 2.71% | 筋161 | 11.29% | 16.96% |
最大空间 位移节点 | 3.97% | 0.73% | | 9.69% | 3.64% | | 6.16% | 0.80% | 最大空间 位移节点 | 15.63% | 15.41% |
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