Article(id=1243896233635459291, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243896229885751465, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2025.08.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1740240000000, receivedDateStr=2025-02-23, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1774497572572, onlineDateStr=2026-03-26, pubDate=1755619200000, pubDateStr=2025-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1774497572572, onlineIssueDateStr=2026-03-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774497572572, creator=13701087609, updateTime=1774497572572, updator=13701087609, issue=Issue{id=1243896229885751465, tenantId=1146029695717560320, journalId=1240685776644648972, year='2025', volume='29', issue='8', pageStart='1181', pageEnd='1342', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1774497571678, creator=13701087609, updateTime=1774501555614, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1243912939799949656, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243896229885751465, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1243912939799949657, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243896229885751465, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1261, endPage=1270, ext={EN=ArticleExt(id=1243896233899700453, articleId=1243896233635459291, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Research on fatigue crack propagation model under storm model loading, columnId=1242129251223274417, journalTitle=Journal of Ship Mechanics, columnName=Structural Mechanics, runingTitle=null, highlight=null, articleAbstract=
The storm model is a simplified model to describe the random wave loads borne by the ship structures in complex marine environments. This paper proposed an improved Newman model, namely the NPhi model, to consider the load order and interaction effects of storm models, which is based on the Newman model, considering the load interaction effects in Huang’s model and the improved McEvily model. An overload coefficient was introduced into the effective stress intensity factor range to characterize the hysteresis and acceleration phenomena caused by overload. Using the crack propagation program established in this paper, the correctness of the test results using the propagation from multi-level block loading and storm model was verified, and the influence of overload coefficient was studied. Based on the study by the Fatigue and Fracture Technical Committee of the International Ship and Offshore Structures Congress (ISSC), it is shown that the NPhi model has better prediction ability compared to other typical crack propagation models. Additionally, a reasonable overload coefficient value is crucial for the prediction results.
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风暴模型是一种用于描述船体结构在复杂海洋环境中所承受的随机波浪载荷的简化模型。为了考虑风暴模型载荷顺序及其相互作用的影响,本文基于Newman模型,结合Huang模型及改进后的McEvily模型中考虑载荷相互作用效应的思路,在有效应力强度因子幅中引入超载系数,用以表征过载所导致的迟滞及过载-欠载后的加速现象,提出了一种改进后的Newman模型——NPhi模型。编写裂纹扩展模型程序,使用多级块载及风暴模型试验结果对裂纹扩展模型进行正确性验证并研究了超载系数的影响。根据国际船舶与海洋工程结构大会(ISSC)疲劳与断裂技术委员会的共同研究,通过与试验结果对比,发现NPhi模型相比其他典型裂纹扩展模型具有更好的预报能力,此外,合理的迟滞指数取值对预报结果是十分重要的。
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Pegg N. ISSC Committee III. 2: Fatigue and fracture[C]//ISSC 2022: Proceedings of the 21st International Ship and Offshore Structures Congress,
2022., articleTitle=ISSC Committee III. 2: Fatigue and fracture, refAbstract=null)], funds=[Fund(id=1243896244943303385, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, awardId=52171320, language=CN, fundingSource=国家自然科学基金资助项目(52171320), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1243896239931109819, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, xref=null, ext=[AuthorCompanyExt(id=1243896239939498429, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, companyId=1243896239931109819, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Naval Architecture and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, China), AuthorCompanyExt(id=1243896239947887038, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, companyId=1243896239931109819, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=武汉理工大学 船海与能源动力工程学院,武汉 430063)])], figs=[ArticleFig(id=1243896241696911903, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=EN, label=Fig.1, caption=
Schematic diagram of storm model[1], figureFileSmall=fD7g8UZyBgjR+COUoPsxng==, figureFileBig=mgOiLwWLVDGboWW2Aq0tFw==, tableContent=null), ArticleFig(id=1243896241789186599, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=CN, label=图1, caption=
风暴模型示意图[1], figureFileSmall=fD7g8UZyBgjR+COUoPsxng==, figureFileBig=mgOiLwWLVDGboWW2Aq0tFw==, tableContent=null), ArticleFig(id=1243896241982124600, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=EN, label=Fig.2, caption=
Diagram of plastic zone changes caused by overload[5], figureFileSmall=MFohSYmw4+4ZbAK3HFBtww==, figureFileBig=imJ/zWwtmjv966HSO3eTEQ==, tableContent=null), ArticleFig(id=1243896242070204988, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=CN, label=图2, caption=
过载引起塑性区变化图[5], figureFileSmall=MFohSYmw4+4ZbAK3HFBtww==, figureFileBig=imJ/zWwtmjv966HSO3eTEQ==, tableContent=null), ArticleFig(id=1243896242183451201, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=EN, label=Fig.3, caption=
Influence of overload coefficient on Kop, figureFileSmall=ntfSnjP01uEcUPMGfx9TyA==, figureFileBig=Y8Y4lVQTDy4vRD35QZ0WWw==, tableContent=null), ArticleFig(id=1243896242279920202, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=CN, label=图3, caption=
超载系数对Kop的影响, figureFileSmall=ntfSnjP01uEcUPMGfx9TyA==, figureFileBig=Y8Y4lVQTDy4vRD35QZ0WWw==, tableContent=null), ArticleFig(id=1243896242363806287, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=EN, label=Fig.4, caption=
Program framework of the NPhi model, figureFileSmall=cBWroo/Cuh2HBnOjGQBi+A==, figureFileBig=+0EHrbc1jffRZmQ/RcvNSw==, tableContent=null), ArticleFig(id=1243896242489635412, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=CN, label=图4, caption=
NPhi模型程序框架图, figureFileSmall=cBWroo/Cuh2HBnOjGQBi+A==, figureFileBig=+0EHrbc1jffRZmQ/RcvNSw==, tableContent=null), ArticleFig(id=1243896242623853149, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=EN, label=Fig.5, caption=
CT specimen size, figureFileSmall=oDNyxvd4104aM+OEybWYPA==, figureFileBig=e4F5+b54Hjt0uPA2+PERaQ==, tableContent=null), ArticleFig(id=1243896242770653796, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=CN, label=图5, caption=
CT试件尺寸, figureFileSmall=oDNyxvd4104aM+OEybWYPA==, figureFileBig=e4F5+b54Hjt0uPA2+PERaQ==, tableContent=null), ArticleFig(id=1243896242879705706, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=EN, label=Fig.6, caption=
Layout of measurement site, figureFileSmall=k6N70lzabV5REI5IBZWiLQ==, figureFileBig=JeISO4rmBQMYZsXnIMR0fA==, tableContent=null), ArticleFig(id=1243896242988757616, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=CN, label=图6, caption=
测量现场布置, figureFileSmall=k6N70lzabV5REI5IBZWiLQ==, figureFileBig=JeISO4rmBQMYZsXnIMR0fA==, tableContent=null), ArticleFig(id=1243896243097809526, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=EN, label=Fig.7, caption=
History diagram of test conditions, figureFileSmall=KpH4HgKqNhYb4mzT9jDpEg==, figureFileBig=tM5QnPqzuxGUREqAg3NFLA==, tableContent=null), ArticleFig(id=1243896243211055740, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=CN, label=图7, caption=
试验工况历程图, figureFileSmall=KpH4HgKqNhYb4mzT9jDpEg==, figureFileBig=tM5QnPqzuxGUREqAg3NFLA==, tableContent=null), ArticleFig(id=1243896243341079171, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=EN, label=Fig.8, caption=
Calculation and verification results of multi-level block load conditions, figureFileSmall=G/H7cXfDoJKncQQSbMjGIA==, figureFileBig=8605epEdKZIVkUsLs6sEMw==, tableContent=null), ArticleFig(id=1243896243454325387, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=CN, label=图8, caption=
多级块载工况计算验证结果, figureFileSmall=G/H7cXfDoJKncQQSbMjGIA==, figureFileBig=8605epEdKZIVkUsLs6sEMw==, tableContent=null), ArticleFig(id=1243896243550794387, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=EN, label=Fig.9, caption=
Calculation and verification results of storm model conditions, figureFileSmall=QxnYjW9Zc1dDukSrJqtjZw==, figureFileBig=mfbCSS+RwyYPcv/Y6g9k8g==, tableContent=null), ArticleFig(id=1243896243651457686, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=CN, label=图9, caption=
风暴模型工况计算验证结果, figureFileSmall=QxnYjW9Zc1dDukSrJqtjZw==, figureFileBig=mfbCSS+RwyYPcv/Y6g9k8g==, tableContent=null), ArticleFig(id=1243896243747926682, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=EN, label=Fig.10, caption=
Overload hysteresis under different hysteresis indices, figureFileSmall=5z7xeJ7rlymUVhjPJMyvPg==, figureFileBig=093y0R8d6rIpSg2DnATU3w==, tableContent=null), ArticleFig(id=1243896243861172898, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=CN, label=图10, caption=
不同迟滞指数下过载迟滞量, figureFileSmall=5z7xeJ7rlymUVhjPJMyvPg==, figureFileBig=093y0R8d6rIpSg2DnATU3w==, tableContent=null), ArticleFig(id=1243896244037333672, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=EN, label=Fig.11, caption=
Specimen specifications and load remote stress history[11] of storm model, figureFileSmall=y+NruappAjTuwUrClKx+BQ==, figureFileBig=28o89o17MPLuuaWkGdcs6g==, tableContent=null), ArticleFig(id=1243896244158968495, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=CN, label=图11, caption=
试件规格及风暴模型载荷远端应力历程[11], figureFileSmall=y+NruappAjTuwUrClKx+BQ==, figureFileBig=28o89o17MPLuuaWkGdcs6g==, tableContent=null), ArticleFig(id=1243896244272214708, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=EN, label=Fig.12, caption=
Life prediction results from SR219 under storm model load conditions, figureFileSmall=ZJAadtHf9VJpHZbei9inag==, figureFileBig=cZOwSUD2vB2C9X7n+52C/g==, tableContent=null), ArticleFig(id=1243896244356100793, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=CN, label=图12, caption=
SR219提供风暴模型载荷下寿命预测结果, figureFileSmall=ZJAadtHf9VJpHZbei9inag==, figureFileBig=cZOwSUD2vB2C9X7n+52C/g==, tableContent=null), ArticleFig(id=1243896244460958398, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=EN, label=Tab.1, caption=
Material properties and fatigue crack propagation characteristics of CT specimens
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料牌名 | 弹性模量E/GPa | 泊松比ν | 屈服应力σy/MPa | 抗拉强度σu/MPa | 伸长量% |
|---|
| 206 | 0.301 | 432 | 556 | 21.0 |
| AH36 | C | m | ∆Keff,th | KIC[10] | |
| 7.24E-12 | 3.07 | 3.0 | 78 | |
), ArticleFig(id=1243896244586787526, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=CN, label=表1, caption=
CT试件材料性能及疲劳裂纹扩展特性
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料牌名 | 弹性模量E/GPa | 泊松比ν | 屈服应力σy/MPa | 抗拉强度σu/MPa | 伸长量% |
|---|
| 206 | 0.301 | 432 | 556 | 21.0 |
| AH36 | C | m | ∆Keff,th | KIC[10] | |
| 7.24E-12 | 3.07 | 3.0 | 78 | |
), ArticleFig(id=1243896244704228045, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=EN, label=Tab.2, caption=
Test conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验类型 | 工况编号 | 载荷形式 |
|---|
| 载荷幅值/kN | 应力比 | 过载间距 |
|---|
| 多级块载 | 工况1 | 12→9→6 | 0.05/0.067/0.1 | 4 mm |
| 工况2 | 12→6→9 | 0.05/0.1/0.067 | 4 mm |
| 风暴模型 | 工况3 | 平静海况: | 6 | 0.1 | — |
| 风暴海况: | 7→8→9→10→11→12 | 0.085/0.75/0.067/0.06/0.0545/0.05 | 1456/3195/2903/1643/628/182次 |
), ArticleFig(id=1243896244800697043, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896233635459291, language=CN, label=表2, caption=
试验工况
, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验类型 | 工况编号 | 载荷形式 |
|---|
| 载荷幅值/kN | 应力比 | 过载间距 |
|---|
| 多级块载 | 工况1 | 12→9→6 | 0.05/0.067/0.1 | 4 mm |
| 工况2 | 12→6→9 | 0.05/0.1/0.067 | 4 mm |
| 风暴模型 | 工况3 | 平静海况: | 6 | 0.1 | — |
| 风暴海况: | 7→8→9→10→11→12 | 0.085/0.75/0.067/0.06/0.0545/0.05 | 1456/3195/2903/1643/628/182次 |
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