Article(id=1324427188644217534, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1324426994615727048, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2026.09.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1779379200000, receivedDateStr=2026-05-22, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793697648439, onlineDateStr=2026-11-03, pubDate=1789401600000, pubDateStr=2026-09-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793697648439, onlineIssueDateStr=2026-11-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793697648439, creator=13701087609, updateTime=1793697648439, updator=13701087609, issue=Issue{id=1324426994615727048, tenantId=1146029695717560320, journalId=1240685776644648972, year='2026', volume='30', issue='9', pageStart='1397', pageEnd='1576', issueExtLink='null', onlineDate='null', pubDate='1789401600000', pubDateStr='2026-09-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1793697602180, creator='13701087609', updateTime=1793699937016, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1324436787699000005, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1324426994615727048, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1324436787699000006, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1324426994615727048, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1517, endPage=1526, ext={EN=ArticleExt(id=1324427189931868863, articleId=1324427188644217534, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Fatigue analysis of longitudinal stiffeners in high-speed aluminum alloy ships under slamming, columnId=1242129251223274417, journalTitle=Journal of Ship Mechanics, columnName=Structural Mechanics, runingTitle=null, highlight=null, articleAbstract=
Aiming at the difficuties of fatigue evaluation of slamming stress response for high-speed ships, this study analyzes the stress response and fatigue damage based on the measured data of the bow of a small high-speed aluminum alloy ship, by combining with fatigue tests on two typical longitudinal bulkhead-penetrating structures, with the linear cumulative damage theory. The research confirms that the stress response under slamming pressure exhibits obvious impact characteristics, and the stress amplitude no longer follows the Rayleigh distribution. The results show that fatigue cracks may occur at the measuring points after 212 hours of continuous navigation under the test conditions. This achievement deepens the understanding of the dynamic characteristics of slamming stress and provides a reference for the anti-fatigue design of longitudinal bulkhead-penetrating structures of high-speed aluminum alloy ships.
, authors=Fan ZHANG
1, 2, Jia-jun HU
2, Chen-feng LI
1, authorsList=Fan ZHANG, Jia-jun HU, Chen-feng LI, 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=1324427201298432780, articleId=1324427188644217534, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=砰击压力作用下铝合金高速船纵骨疲劳分析, columnId=1241023038926410098, journalTitle=船舶力学, columnName=结构力学, runingTitle=null, highlight=null, articleAbstract=
针对高速船舶砰击应力响应疲劳评估难题,本研究基于小型高速铝合金船艏部实测数据,结合两种典型纵骨穿舱结构疲劳试验,运用线性累积损伤理论,分析应力响应与疲劳损伤。研究证实,砰击压力下应力响应具有显著冲击特性,应力幅值不再服从瑞利分布。结果表明:试验工况连续航行212小时测量点便可能产生疲劳裂纹。该成果深化了对砰击应力动态特性的认知,为高速铝合金船纵骨穿舱结构抗疲劳设计提供参考。
, authors=张凡
1, 2, 胡嘉骏
2, 李陈峰
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1Harbin Engineering University, Harbin 150001, China
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S-N曲线), Keyword(id=1324427412531971021, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, orderNo=5, keyword=纵骨损伤)], refs=[Reference(id=1324427418177503238, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=1, rfOrder=0, authorNames=null, journalName=null, refType=null, unstructuredReference=何建伟, 王祝堂. 船舶舰艇用铝及铝合金[J]. 轻合金加工技术, 2015, 43(9): 1‒11., articleTitle=null, refAbstract=null), Reference(id=1324427418253000711, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=1, rfOrder=1, authorNames=null, journalName=null, refType=null, unstructuredReference=He J W, Wang Z T. 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Review of the state of the art of dynamic responses induced by slamming loads on ship structure[J]. Journal of Ship Mechanics, 2010, 14(4): 439‒450. (in Chinese), articleTitle=null, refAbstract=null)], funds=[Fund(id=1324427417850347525, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, awardId=null, language=CN, fundingSource=项目编号JCKY202306B016, fundOrder=null, country=null)], companyList=[AuthorCompany(id=1324427410887803822, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, xref=1, ext=[AuthorCompanyExt(id=1324427410896192431, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, companyId=1324427410887803822, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1哈尔滨工程大学,哈尔滨 150001)]), AuthorCompany(id=1324427410975884209, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, xref=2, ext=[AuthorCompanyExt(id=1324427410984272818, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, companyId=1324427410975884209, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2China Ship Scientific Research Center, Wuxi 214082, China), AuthorCompanyExt(id=1324427410992661427, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, companyId=1324427410975884209, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2中国船舶科学研究中心,江苏 无锡 214082)])], figs=[ArticleFig(id=1324427412695548878, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.1, caption=
Location of the test points, figureFileSmall=OX3p3GdNhdCxrzALXU/nyQ==, figureFileBig=dW4Y0hXWN5n71Kpkk3A1nw==, tableContent=null), ArticleFig(id=1324427412771046351, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图1, caption=
测点位置图, figureFileSmall=OX3p3GdNhdCxrzALXU/nyQ==, figureFileBig=dW4Y0hXWN5n71Kpkk3A1nw==, tableContent=null), ArticleFig(id=1324427412875903952, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.2, caption=
Time-domain curve of measuring point S1, figureFileSmall=BXgR/m9ngOxYKLiGCSvdmw==, figureFileBig=Hswe6Gt4vB+NvKQbFGf7zw==, tableContent=null), ArticleFig(id=1324427412955595729, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图2, caption=
S1测点的时域曲线, figureFileSmall=BXgR/m9ngOxYKLiGCSvdmw==, figureFileBig=Hswe6Gt4vB+NvKQbFGf7zw==, tableContent=null), ArticleFig(id=1324427413022704594, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.3, caption=
Time-domain curve of measuring point S2, figureFileSmall=2SxJwF+16XFEXGE1cHqkYw==, figureFileBig=cy7MOV+6FdvRX/mSzQ++UQ==, tableContent=null), ArticleFig(id=1324427413106590675, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图3, caption=
S2测点的时域曲线, figureFileSmall=2SxJwF+16XFEXGE1cHqkYw==, figureFileBig=cy7MOV+6FdvRX/mSzQ++UQ==, tableContent=null), ArticleFig(id=1324427413207253972, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.4, caption=
Time-domain curve of measuring point S3, figureFileSmall=W6tGhzVEpgNOJc8fMCj/1w==, figureFileBig=b6Y/aLQz4j5pZ5+dYUMfiw==, tableContent=null), ArticleFig(id=1324427413295334357, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图4, caption=
S3测点的时域曲线, figureFileSmall=W6tGhzVEpgNOJc8fMCj/1w==, figureFileBig=b6Y/aLQz4j5pZ5+dYUMfiw==, tableContent=null), ArticleFig(id=1324427413354054614, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.5, caption=
Time-domain curve of measuring point S4, figureFileSmall=vrZyy7ay2WlE/TdcDlwFug==, figureFileBig=CkhpfSEPbKIj03zCkBk8hw==, tableContent=null), ArticleFig(id=1324427413416969175, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图5, caption=
S4测点的时域曲线, figureFileSmall=vrZyy7ay2WlE/TdcDlwFug==, figureFileBig=CkhpfSEPbKIj03zCkBk8hw==, tableContent=null), ArticleFig(id=1324427413484078040, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.6, caption=
Extraction of peak values of stress response cycles, figureFileSmall=ILQkKPyHgaw1kRpQeKI85w==, figureFileBig=ad0IX3DrVxYbiEtOZnc6YQ==, tableContent=null), ArticleFig(id=1324427413546992601, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图6, caption=
应力响应循环峰值提取, figureFileSmall=ILQkKPyHgaw1kRpQeKI85w==, figureFileBig=ad0IX3DrVxYbiEtOZnc6YQ==, tableContent=null), ArticleFig(id=1324427413656044506, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.7, caption=
Probability density of stress amplitude at measuring point S1, figureFileSmall=aszputDBp4ODvmwh/ZUjEg==, figureFileBig=2GurAc+uXUq5Yl+ZwZo5yA==, tableContent=null), ArticleFig(id=1324427413727347675, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图7, caption=
S1测点应力幅值的概率密度(γ=2.319,δ=40.74), figureFileSmall=aszputDBp4ODvmwh/ZUjEg==, figureFileBig=2GurAc+uXUq5Yl+ZwZo5yA==, tableContent=null), ArticleFig(id=1324427413798650844, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.8, caption=
Probability density of stress amplitude at measuring point S2, figureFileSmall=PMfXYGPs85XoOFg5a+YmvQ==, figureFileBig=8yajqU9G0lfsb9djnhtw+A==, tableContent=null), ArticleFig(id=1324427413874148317, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图8, caption=
S2测点应力幅值的概率密度(γ=2.623,δ=20.74), figureFileSmall=PMfXYGPs85XoOFg5a+YmvQ==, figureFileBig=8yajqU9G0lfsb9djnhtw+A==, tableContent=null), ArticleFig(id=1324427413962228702, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.9, caption=
Probability density of stress amplitude at measuring point S3, figureFileSmall=NzY3qCt0gpQTUMP/B5Rc/Q==, figureFileBig=5E2+JzEntt0csOmaRPLOeQ==, tableContent=null), ArticleFig(id=1324427414054503391, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图9, caption=
S3测点应力幅值的概率密度, figureFileSmall=NzY3qCt0gpQTUMP/B5Rc/Q==, figureFileBig=5E2+JzEntt0csOmaRPLOeQ==, tableContent=null), ArticleFig(id=1324427414121612256, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.10, caption=
Probability density of stress amplitude at measuring point S4, figureFileSmall=l7h6fyA5FYDq5jEhv5FqQw==, figureFileBig=czy+GnrESFbISrbwia2JaA==, tableContent=null), ArticleFig(id=1324427414205498337, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图10, caption=
S4测点应力幅值的概率密度, figureFileSmall=l7h6fyA5FYDq5jEhv5FqQw==, figureFileBig=czy+GnrESFbISrbwia2JaA==, tableContent=null), ArticleFig(id=1324427414301967330, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.11, caption=
Structural diagram of Model No. 1, figureFileSmall=yPEqJrdE1Tn30XMEHmew5A==, figureFileBig=zPPb2yLAlhqDzzzCffpGNA==, tableContent=null), ArticleFig(id=1324427414394242019, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图11, caption=
1号模型结构图, figureFileSmall=yPEqJrdE1Tn30XMEHmew5A==, figureFileBig=zPPb2yLAlhqDzzzCffpGNA==, tableContent=null), ArticleFig(id=1324427414511682532, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.12, caption=
Stress contour of hot spot areas of the Finite Element Model for Model No. 1, figureFileSmall=nxu1Mlg1jEHyJ513ofv2bA==, figureFileBig=322Pni6TDK319fBUGtAlTw==, tableContent=null), ArticleFig(id=1324427414612345829, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图12, caption=
1号模型有限元模型热点部位应力云图, figureFileSmall=nxu1Mlg1jEHyJ513ofv2bA==, figureFileBig=322Pni6TDK319fBUGtAlTw==, tableContent=null), ArticleFig(id=1324427414708814822, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.13, caption=
Structural diagram of Model No.2, figureFileSmall=Lo95tQxsSYJRt32BiAgk/w==, figureFileBig=72l5hFphRTRNO1UjlJLipg==, tableContent=null), ArticleFig(id=1324427414775923687, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图13, caption=
2号模型结构图, figureFileSmall=Lo95tQxsSYJRt32BiAgk/w==, figureFileBig=72l5hFphRTRNO1UjlJLipg==, tableContent=null), ArticleFig(id=1324427414851421160, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.14, caption=
Stress contour of hot spot areas of the Finite Element Model for Model No. 2, figureFileSmall=Suiz4isBzOoT7AOiwkjf/g==, figureFileBig=lIcAKshl/5OWyJ6yEv7fAA==, tableContent=null), ArticleFig(id=1324427414914335721, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图14, caption=
2号模型有限元模型热点部位应力云图, figureFileSmall=Suiz4isBzOoT7AOiwkjf/g==, figureFileBig=lIcAKshl/5OWyJ6yEv7fAA==, tableContent=null), ArticleFig(id=1324427414985638890, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.15, caption=
Schematic diagram of model loading, figureFileSmall=vA/+UdJsHRYObSDK1PUxWA==, figureFileBig=doOe4Mp7u5EGLB8DY+EbVQ==, tableContent=null), ArticleFig(id=1324427415040164843, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图15, caption=
模型加载示意图, figureFileSmall=vA/+UdJsHRYObSDK1PUxWA==, figureFileBig=doOe4Mp7u5EGLB8DY+EbVQ==, tableContent=null), ArticleFig(id=1324427415182771180, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.16, caption=
Test site, figureFileSmall=yTtT/2n2n6CmltPAVzHFhg==, figureFileBig=+NE7yYhNaPF5xGts+Huezw==, tableContent=null), ArticleFig(id=1324427415270851565, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图16, caption=
试验现场, figureFileSmall=yTtT/2n2n6CmltPAVzHFhg==, figureFileBig=+NE7yYhNaPF5xGts+Huezw==, tableContent=null), ArticleFig(id=1324427415367320558, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.17, caption=
Test model No. 1, figureFileSmall=mDupkw8ZnbbYnJaNrg03jA==, figureFileBig=48cd8FyE8yfKOC7qPkyA3A==, tableContent=null), ArticleFig(id=1324427415438623727, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图17, caption=
1号试验模型, figureFileSmall=mDupkw8ZnbbYnJaNrg03jA==, figureFileBig=48cd8FyE8yfKOC7qPkyA3A==, tableContent=null), ArticleFig(id=1324427415505732592, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.18, caption=
Test model No. 2, figureFileSmall=T2Mbhn1kt9VsxReh6MveUQ==, figureFileBig=e6eLZqS5Kf3JvPMFSdBWlg==, tableContent=null), ArticleFig(id=1324427415593812977, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图18, caption=
2号试验模型, figureFileSmall=T2Mbhn1kt9VsxReh6MveUQ==, figureFileBig=e6eLZqS5Kf3JvPMFSdBWlg==, tableContent=null), ArticleFig(id=1324427415656727538, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.19, caption=
Strain gage attachment scheme for test Model No. 1, figureFileSmall=H8f71VsrROCEz8dpn++eDw==, figureFileBig=q+MtU0KSj2CSORZL5cxdnw==, tableContent=null), ArticleFig(id=1324427415740613619, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图19, caption=
1号试验模型贴片方案, figureFileSmall=H8f71VsrROCEz8dpn++eDw==, figureFileBig=q+MtU0KSj2CSORZL5cxdnw==, tableContent=null), ArticleFig(id=1324427415841276916, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.20, caption=
Strain gage attachment scheme for test Model No. 2, figureFileSmall=sSkILtP5tvLHcDHbLK4MfQ==, figureFileBig=diYZZhaZuu3JUcsiBCCesg==, tableContent=null), ArticleFig(id=1324427415925162997, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图20, caption=
2号试验模型贴片方案, figureFileSmall=sSkILtP5tvLHcDHbLK4MfQ==, figureFileBig=diYZZhaZuu3JUcsiBCCesg==, tableContent=null), ArticleFig(id=1324427415988077558, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.21, caption=
Failure positions of Model No. 1, figureFileSmall=/nO1c5H604FK2iTSmZn5dg==, figureFileBig=F9Q77ehA8XEbbM/GtgtrBg==, tableContent=null), ArticleFig(id=1324427416076157943, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图21, caption=
1号模型破坏部位, figureFileSmall=/nO1c5H604FK2iTSmZn5dg==, figureFileBig=F9Q77ehA8XEbbM/GtgtrBg==, tableContent=null), ArticleFig(id=1324427416155849720, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.22, caption=
Failure positions of Model No. 2, figureFileSmall=KI5hOtn9D17xya+o7o9Z8w==, figureFileBig=p0KeoiVOKZENdfPhiZJ1vQ==, tableContent=null), ArticleFig(id=1324427416222958585, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图22, caption=
2号模型破坏部位, figureFileSmall=KI5hOtn9D17xya+o7o9Z8w==, figureFileBig=p0KeoiVOKZENdfPhiZJ1vQ==, tableContent=null), ArticleFig(id=1324427416306844666, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Fig.23, caption=
S-N curve (S is hot spot stress), figureFileSmall=0nreOquUZxl9ZxCeYcl+uA==, figureFileBig=sCjUXrj5sdq38Z9BJcvPtg==, tableContent=null), ArticleFig(id=1324427416386536443, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=图23, caption=
S-N曲线(S为热点应力), figureFileSmall=0nreOquUZxl9ZxCeYcl+uA==, figureFileBig=sCjUXrj5sdq38Z9BJcvPtg==, tableContent=null), ArticleFig(id=1324427416462033916, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Tab.1, caption=
Goodness-of-fit test for curve fitting
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| h(假设检验结果) | P(显著性) | 是否满足假设检验 | 曲线拟合类型 |
| 测点S1 | 0 | 0.07391 | 是 | Weibull分布 |
| 测点S2 | 0 | 0.2510 | 是 | Weibull分布 |
| 测点S3 | 0 | 0.1672 | 是 | Lognormal拟合 |
| 测点S4 | 0 | 0.9918 | 是 | Non-parametric拟合 |
), ArticleFig(id=1324427416524948477, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=表1, caption=
曲线拟合假设检验
, figureFileSmall=null, figureFileBig=null, tableContent=
| h(假设检验结果) | P(显著性) | 是否满足假设检验 | 曲线拟合类型 |
| 测点S1 | 0 | 0.07391 | 是 | Weibull分布 |
| 测点S2 | 0 | 0.2510 | 是 | Weibull分布 |
| 测点S3 | 0 | 0.1672 | 是 | Lognormal拟合 |
| 测点S4 | 0 | 0.9918 | 是 | Non-parametric拟合 |
), ArticleFig(id=1324427416596251646, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Tab.2, caption=
Fatigue test data (hot spot stress)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 序号 | S/MPa | 循环次数N | 断裂位置 |
| 1号模型 | 1 | 113 | 26086 | 横梁与纵骨面板连接焊趾处(如图21) |
| 2 | 98 | 43522 | 横梁与纵骨面板连接焊趾处(如图21) |
| 3 | 100 | 45603 | 横梁与纵骨面板连接焊趾处(如图21) |
| 4 | 110 | 28132 | 横梁与纵骨面板连接焊趾处(如图21) |
| 2号模型 | 1 | 90 | ≥132350 | 未出现裂纹 |
| 2 | 115 | 104000 | 横梁与纵骨面板连接焊趾处(如图22(a)) |
| 3 | 130 | 16000 | 横梁与纵骨面板连接焊趾处(如图22(a)) |
| 4 | 100 | 85000 | 扶强材与纵骨面板连接焊趾处(如图22(b)) |
), ArticleFig(id=1324427416826938367, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=表2, caption=
疲劳试验数据(热点应力)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 序号 | S/MPa | 循环次数N | 断裂位置 |
| 1号模型 | 1 | 113 | 26086 | 横梁与纵骨面板连接焊趾处(如图21) |
| 2 | 98 | 43522 | 横梁与纵骨面板连接焊趾处(如图21) |
| 3 | 100 | 45603 | 横梁与纵骨面板连接焊趾处(如图21) |
| 4 | 110 | 28132 | 横梁与纵骨面板连接焊趾处(如图21) |
| 2号模型 | 1 | 90 | ≥132350 | 未出现裂纹 |
| 2 | 115 | 104000 | 横梁与纵骨面板连接焊趾处(如图22(a)) |
| 3 | 130 | 16000 | 横梁与纵骨面板连接焊趾处(如图22(a)) |
| 4 | 100 | 85000 | 扶强材与纵骨面板连接焊趾处(如图22(b)) |
), ArticleFig(id=1324427416902435840, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Tab.3, caption=
Parameters of S-N curve
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| S-N 曲线 | $ N\leq {10}^{7} $ | | | $ N \gt {10}^{7} $ | | |
| A | m | | | C | m | | SQ /MPa |
| FAT 25 | 3.13×1010 | 3 | | | 6.68×1012 | 5 | | 14.62 |
), ArticleFig(id=1324427416961155072, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=表3, caption=
S-N 曲线参数(铝合金材料)
, figureFileSmall=null, figureFileBig=null, tableContent=
| S-N 曲线 | $ N\leq {10}^{7} $ | | | $ N \gt {10}^{7} $ | | |
| A | m | | | C | m | | SQ /MPa |
| FAT 25 | 3.13×1010 | 3 | | | 6.68×1012 | 5 | | 14.62 |
), ArticleFig(id=1324427417313476609, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Tab.4, caption=
Fatigue cumulative damage of typical joints under measured data
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| 校核点编号 | S1 | S2 | S3 | S4 |
| 疲劳累积损伤度D | 6.80×10−4 | 7.95×10−5 | 4.68×10−4 | 1.18×10−3 |
), ArticleFig(id=1324427417418334210, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=表4, caption=
实测数据下典型节点的疲劳累积损伤(t=900 s)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 校核点编号 | S1 | S2 | S3 | S4 |
| 疲劳累积损伤度D | 6.80×10−4 | 7.95×10−5 | 4.68×10−4 | 1.18×10−3 |
), ArticleFig(id=1324427417498025987, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=EN, label=Tab.5, caption=
Fatigue life deduced from measured data
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| 校核点编号 | 累积损伤度 | 疲劳寿命N /h |
| S1 | 2.72×10−3 | 368 |
| S2 | 3.18×10−4 | 3143 |
| S3 | 1.87×10−3 | 535 |
| S4 | 4.71×10−3 | 212 |
), ArticleFig(id=1324427417711935492, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324427188644217534, language=CN, label=表5, caption=
由测试数据反推出的疲劳寿命
, figureFileSmall=null, figureFileBig=null, tableContent=
| 校核点编号 | 累积损伤度 | 疲劳寿命N /h |
| S1 | 2.72×10−3 | 368 |
| S2 | 3.18×10−4 | 3143 |
| S3 | 1.87×10−3 | 535 |
| S4 | 4.71×10−3 | 212 |
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