Article(id=1324392883679277070, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1324392762614882315, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2026.07.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1771171200000, receivedDateStr=2026-02-16, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793689469498, onlineDateStr=2026-11-03, pubDate=1784044800000, pubDateStr=2026-07-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793689469498, onlineIssueDateStr=2026-11-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793689469498, creator=13701087609, updateTime=1793689469498, 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=1147, endPage=1157, ext={EN=ArticleExt(id=1324392883909963791, articleId=1324392883679277070, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Structural response prediction of a polar ship under collisions with extreme ice ridges, columnId=1242129251223274417, journalTitle=Journal of Ship Mechanics, columnName=Structural Mechanics, runingTitle=null, highlight=null, articleAbstract=
To address the structural safety issues of polar ships subjected to collisions with extreme ice ridges, this study proposes a predictive framework for extreme ice ridge geometries corresponding to a 50-year return period. The model is developed based on the environmental contour method and statistical analysis of measured data from representative polar sea areas. A finite element model simulating the collision between a PC3-class icebreaker and ice ridges is established, incorporating variations in ridge scale and impact velocity. The study investigates the time histories of ice-induced impact forces, energy absorption of the hull outer plating, and stress responses of critical structural components. The results demonstrate that the consolidated layer thickness is the key parameter influencing structural response; an increase in this thickness significantly amplifies the hull’s energy absorption and stress levels. The outer plating and transverse frames are identified as the primary vulnerable components, with localized stress levels exceeding the material yield strength under the most severe scenarios. The proposed methodology, which integrates extreme ice condition modeling with structural response prediction, provides a valuable basis for the safety assessment and risk analysis of polar ships operating in harsh ice-infested environments.
, authors=Wei CHAI
1, 2, An-qi BIAN
2, Hai-bo DONG
3, 4, Nan ZHAO
3, 4, Kui-lin YUAN
5, Ming SONG
6, authorsList=Wei CHAI, An-qi BIAN, Hai-bo DONG, Nan ZHAO, Kui-lin YUAN, Ming SONG, 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=1324392891954638924, articleId=1324392883679277070, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=极地船舶与极端冰脊碰撞下结构响应预报研究, columnId=1241023038926410098, journalTitle=船舶力学, columnName=结构力学, runingTitle=null, highlight=null, articleAbstract=
针对极地船舶在极端冰脊碰撞工况下的结构安全问题,本文基于环境等值线法和极地典型海域冰脊重要参数实测数据,构建了50年一遇冰况的极端冰脊尺度预测模型。以某PC3级破冰船为研究对象,建立了船与冰脊碰撞的有限元模型,考虑不同冰脊尺度与冲撞速度,对船与冰脊碰撞力时历、船体外板吸能及船体结构典型构件应力响应进行了预报。结果表明,冰脊固结层厚度是决定船体结构响应的关键因素,较大固结层厚度显著增加结构吸能及构件应力水平,外板与横向骨架为碰撞中的主要受损构件,最危险工况中其局部应力可超出材料强度极限。本文提出的基于环境等值线法确定极端冰脊工况的方法,可用于极地船舶结构安全分析,为极地船舶安全和航行风险评估提供重要参考。
, authors=柴威
1, 2, 卞安祺
2, 董海波
3, 4, 赵南
3, 4, 袁奎霖
5, 宋明
6, authorsList=柴威, 卞安祺, 董海波, 赵南, 袁奎霖, 宋明, authorCompany=null, correspAuthors=null, authorNote=
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1Key Laboratory of High Performance Ship Technology (Wuhan University of Technology), Ministry of Education, Wuhan 430063, China
2School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1324392893108072548, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, authorId=1324392892936106080, language=CN, stringName=柴威, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1高性能船舶技术教育部重点实验室(武汉理工大学),武汉 430063
2武汉理工大学 船海与能源动力工程学院,武汉 430063, bio={"content":"
柴 威(1988–),男,教授
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2武汉理工大学 船海与能源动力工程学院,武汉 430063, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1324392892395040848, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, xref=2, ext=[AuthorCompanyExt(id=1324392892407623761, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, companyId=1324392892395040848, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3China Ship Scientific Research Center, Wuxi 214082, China
4National Key Laboratory of Ship Structural Safety, Wuxi 214082, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1324392895159087215, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, authorId=1324392894995509355, language=CN, stringName=董海波, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3中国船舶科学研究中心,江苏 无锡 214082
4船舶结构安全全国重点实验室,江苏 无锡 214082, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1324392892491509843, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, xref=3, ext=[AuthorCompanyExt(id=1324392892504092756, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, companyId=1324392892491509843, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3China Ship Scientific Research Center, Wuxi 214082, China
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3中国船舶科学研究中心,江苏 无锡 214082
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5Naval Architecture and Ocean Engineering College, Dalian Maritime University, Dalian 116026, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1324392895758872698, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, authorId=1324392895607877751, language=CN, stringName=袁奎霖, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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5大连海事大学 船舶与海洋工程学院,辽宁 大连 116026, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1324392892722196569, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, xref=5, ext=[AuthorCompanyExt(id=1324392892734779482, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, companyId=1324392892722196569, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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6School of Naval Architecture and Ocean Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1324392896002142335, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, authorId=1324392895846953084, language=CN, stringName=宋明, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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6江苏科技大学 船舶与海洋工程学院,江苏 镇江 212003, bio={"content":"
宋 明(1988–),女,副教授,通讯作者,E-mail:songmingcssc@163.com
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Probability distribution of the consolidated layer thickness hcl, figureFileSmall=Zb5szoHZwmKTyD/Usj4iWQ==, figureFileBig=UHbKDKyyPWpyzecpSLHiyw==, tableContent=null), ArticleFig(id=1324392897088467083, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=图2, caption=
固结层厚度hcl概率分布图[9], figureFileSmall=Zb5szoHZwmKTyD/Usj4iWQ==, figureFileBig=UHbKDKyyPWpyzecpSLHiyw==, tableContent=null), ArticleFig(id=1324392897151381644, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Fig.3, caption=
Probability distribution plot of the keel depth hk, figureFileSmall=Et6QX9PbLGqF/rRiUA8gKQ==, figureFileBig=MZ/BB7NVxNE9oo9K9HANmw==, tableContent=null), ArticleFig(id=1324392897222684813, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=图3, caption=
龙骨深度hk概率分布图[9], figureFileSmall=Et6QX9PbLGqF/rRiUA8gKQ==, figureFileBig=MZ/BB7NVxNE9oo9K9HANmw==, tableContent=null), ArticleFig(id=1324392897281405070, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Fig.4, caption=
Evironmental contour for ice ridges with a return period of 50 years, figureFileSmall=Ug0UUDMkh4T9XKfJMFSEtA==, figureFileBig=Tve7sJCDl7BjD8TYJ8JLLg==, tableContent=null), ArticleFig(id=1324392897327542415, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=图4, caption=
50年重现期冰脊环境等值线, figureFileSmall=Ug0UUDMkh4T9XKfJMFSEtA==, figureFileBig=Tve7sJCDl7BjD8TYJ8JLLg==, tableContent=null), ArticleFig(id=1324392897390456976, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Fig.5, caption=
Schematic of the collision between the extreme ice ridge model and the bow model, figureFileSmall=C5a48mM0qBLSLkvOmYo9QA==, figureFileBig=mcfj+oqqpo3Nqd8pai7cxg==, tableContent=null), ArticleFig(id=1324392897461760145, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=图5, caption=
极端冰脊模型与船艏模型碰撞示意图, figureFileSmall=C5a48mM0qBLSLkvOmYo9QA==, figureFileBig=mcfj+oqqpo3Nqd8pai7cxg==, tableContent=null), ArticleFig(id=1324392897528869010, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Fig.6, caption=
Collision force curves at different scales under the action of extreme ice ridges, figureFileSmall=iFHfcsK+6v8HxZ0IhRne+Q==, figureFileBig=PF8Ux3xaihNt8EYd/h1lHg==, tableContent=null), ArticleFig(id=1324392897591783571, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=图6, caption=
不同尺度极端冰脊作用下碰撞力时历曲线, figureFileSmall=iFHfcsK+6v8HxZ0IhRne+Q==, figureFileBig=PF8Ux3xaihNt8EYd/h1lHg==, tableContent=null), ArticleFig(id=1324392899261116564, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Fig.7, caption=
Energy absorption curves of outer plates under extreme ice ridges of different scales, figureFileSmall=eWC/MbAwnnaftkKFoBDH2Q==, figureFileBig=lu7LNQ9V/K5xYGtBLxVd5g==, tableContent=null), ArticleFig(id=1324392899365974165, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=图7, caption=
不同尺度极端冰脊作用下外板吸能时历曲线, figureFileSmall=eWC/MbAwnnaftkKFoBDH2Q==, figureFileBig=lu7LNQ9V/K5xYGtBLxVd5g==, tableContent=null), ArticleFig(id=1324392899437277334, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Fig.8, caption=
Ridge fragmentation at different periods, figureFileSmall=zedvWm7RuMA9iIwpZNIJxQ==, figureFileBig=8yxQTQnmbRQtmLCN/bsPXQ==, tableContent=null), ArticleFig(id=1324392899533746327, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=图8, caption=
不同时刻下冰脊破碎情况, figureFileSmall=zedvWm7RuMA9iIwpZNIJxQ==, figureFileBig=8yxQTQnmbRQtmLCN/bsPXQ==, tableContent=null), ArticleFig(id=1324392899617632408, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Fig.9, caption=
Typical element of collision, figureFileSmall=FRvAg5KJoC34a5DrKlpAgw==, figureFileBig=4f6h0iIsVFDbrLKUIiLQVQ==, tableContent=null), ArticleFig(id=1324392899705712793, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=图9, caption=
典型碰撞位置单元, figureFileSmall=FRvAg5KJoC34a5DrKlpAgw==, figureFileBig=4f6h0iIsVFDbrLKUIiLQVQ==, tableContent=null), ArticleFig(id=1324392899772821658, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Fig.10, caption=
Average stress-velocity curves under extreme ice ridges at different sizes, figureFileSmall=SIoXPI97RF1W/NOmdFYtEg==, figureFileBig=xdt6edpUz3ZO7cVwGDe0cA==, tableContent=null), ArticleFig(id=1324392899852513435, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=图10, caption=
不同尺度极端冰脊作用下碰撞位置平均应力-速度曲线, figureFileSmall=SIoXPI97RF1W/NOmdFYtEg==, figureFileBig=xdt6edpUz3ZO7cVwGDe0cA==, tableContent=null), ArticleFig(id=1324392899923816604, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Fig.11, caption=
Extreme ridge fragmentation at different scales, figureFileSmall=f+4YwgEncUHPS5lW0nsr3A==, figureFileBig=2uZSixhO1bDDXmgK/iuLpw==, tableContent=null), ArticleFig(id=1324392899990925469, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=图11, caption=
不同尺度极端冰脊破碎情况, figureFileSmall=f+4YwgEncUHPS5lW0nsr3A==, figureFileBig=2uZSixhO1bDDXmgK/iuLpw==, tableContent=null), ArticleFig(id=1324392900091588766, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Fig.12, caption=
Collision forces of extreme ice ridges at different scales, figureFileSmall=i11/KU4pQcVSyFnCToo1YA==, figureFileBig=9g4pQEqxt5UkJLZUQOjHpw==, tableContent=null), ArticleFig(id=1324392900167086239, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=图12, caption=
不同尺度极端冰脊碰撞力, figureFileSmall=i11/KU4pQcVSyFnCToo1YA==, figureFileBig=9g4pQEqxt5UkJLZUQOjHpw==, tableContent=null), ArticleFig(id=1324392900238389408, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Fig.13, caption=
Stress contours of different hull components, figureFileSmall=F990cGPcWi1EDvO16KuPKA==, figureFileBig=Xsywh+gFxhq9hOvKKL9vQQ==, tableContent=null), ArticleFig(id=1324392900326469793, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=图13, caption=
不同船体构件应力云图, figureFileSmall=F990cGPcWi1EDvO16KuPKA==, figureFileBig=Xsywh+gFxhq9hOvKKL9vQQ==, tableContent=null), ArticleFig(id=1324392900393578658, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Tab.1, caption=
Parameters of extreme ice ridges
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 固结层厚度hcl /m | 龙骨深度hk /m | 龙骨宽度wk /m |
| 工况1 | 3.5 | 28.2 | 109.98 |
| 工况2 | 4.5 | 26.8 | 104.52 |
| 工况3 | 5.5 | 20.9 | 81.51 |
), ArticleFig(id=1324392900477464739, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=表1, caption=
极端冰脊模型尺寸
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 固结层厚度hcl /m | 龙骨深度hk /m | 龙骨宽度wk /m |
| 工况1 | 3.5 | 28.2 | 109.98 |
| 工况2 | 4.5 | 26.8 | 104.52 |
| 工况3 | 5.5 | 20.9 | 81.51 |
), ArticleFig(id=1324392900565545124, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Tab.2, caption=
Parameters of ice material (MAT_SOIL_CONCRETE)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料属性 | 数值 | | 材料属性 | 数值 |
| 材料密度ρ/(kg·m−3) | 900 | | 截断压力Pcut/MPa | −8 |
| 剪切模量G/GPa | 5.26 | | 最大等效应力${\overline{\sigma }}_{{\mathrm{max}}} $/MPa | 10 |
| 体积模量K/GPa | 3.30 | | | |
), ArticleFig(id=1324392900624265381, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=表2, caption=
冰材料参数(MAT_SOIL _CONCRETE)[15]
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料属性 | 数值 | | 材料属性 | 数值 |
| 材料密度ρ/(kg·m−3) | 900 | | 截断压力Pcut/MPa | −8 |
| 剪切模量G/GPa | 5.26 | | 最大等效应力${\overline{\sigma }}_{{\mathrm{max}}} $/MPa | 10 |
| 体积模量K/GPa | 3.30 | | | |
), ArticleFig(id=1324392900691374246, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Tab.3, caption=
Ice material parameters for the keel part
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料属性 | 数值 | | 材料属性 | 数值 |
| 剪切模量G/MPa | 17.31 | | 二次形状参数D2 | 0.65 |
| 体积模量K/MPa | 37.5 | | 韧性形状软化参数B | 20 |
| 压缩表面参数α | 0.016 | | 单轴压缩断裂能Gfc | 0.4 |
| 压缩表面参数θ | 0.182 | | 脆性形状软化参数D | 1 |
| 顶部椭圆度比R | 9.44 | | 单轴拉伸断裂能Gft | 0.065 |
| 顶部表面初始截距XD | 0.595 | | 单轴纯剪断裂能Gfs | 0.065 |
| 最大塑性体积应变W | 0.05 | | 单轴压缩应力速率效应参数η0C | 10.976 |
| 线性形状参数D1 | 0.001 | | 单轴压缩应力速率效应功率NC | 0.093783 |
), ArticleFig(id=1324392900762677415, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=表3, caption=
龙骨部分冰材料参数[6]
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料属性 | 数值 | | 材料属性 | 数值 |
| 剪切模量G/MPa | 17.31 | | 二次形状参数D2 | 0.65 |
| 体积模量K/MPa | 37.5 | | 韧性形状软化参数B | 20 |
| 压缩表面参数α | 0.016 | | 单轴压缩断裂能Gfc | 0.4 |
| 压缩表面参数θ | 0.182 | | 脆性形状软化参数D | 1 |
| 顶部椭圆度比R | 9.44 | | 单轴拉伸断裂能Gft | 0.065 |
| 顶部表面初始截距XD | 0.595 | | 单轴纯剪断裂能Gfs | 0.065 |
| 最大塑性体积应变W | 0.05 | | 单轴压缩应力速率效应参数η0C | 10.976 |
| 线性形状参数D1 | 0.001 | | 单轴压缩应力速率效应功率NC | 0.093783 |
), ArticleFig(id=1324392900829786280, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Tab.4, caption=
Parameters of ship hull material
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料属性 | 数值 | | 材料属性 | 数值 |
| 密度/(kg·m−3) | 7850 | | 剪切模量G/GPa | 54.5 |
| 泊松比ν | 0.3 | | 应变率参数 C | 40.4 |
| 屈服应力σs/MPa | 434 | | 应变率参数 P | 5 |
| 弹性模量E/GPa | 215 | | | |
), ArticleFig(id=1324392900913672361, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=表4, caption=
船体材料参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料属性 | 数值 | | 材料属性 | 数值 |
| 密度/(kg·m−3) | 7850 | | 剪切模量G/GPa | 54.5 |
| 泊松比ν | 0.3 | | 应变率参数 C | 40.4 |
| 屈服应力σs/MPa | 434 | | 应变率参数 P | 5 |
| 弹性模量E/GPa | 215 | | | |
), ArticleFig(id=1324392900980781226, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=EN, label=Tab.5, caption=
Maximum stress of hull components under different conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 应力最大值/MPa |
| 纵向构件 | 船体外板 | 横向构件 |
| 工况1 | 487.15 | 731.21 | 774.59 |
| 工况2 | 495.67 | 754.56 | 791.87 |
| 工况3 | 506.41 | 776.64 | 803.75 |
), ArticleFig(id=1324392901047890091, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392883679277070, language=CN, label=表5, caption=
不同工况下船体构件应力最大值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 应力最大值/MPa |
| 纵向构件 | 船体外板 | 横向构件 |
| 工况1 | 487.15 | 731.21 | 774.59 |
| 工况2 | 495.67 | 754.56 | 791.87 |
| 工况3 | 506.41 | 776.64 | 803.75 |
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