Article(id=1263818963344081484, tenantId=1146029695717560320, journalId=1263530845441638439, issueId=1263818962224165389, articleNumber=null, orderNo=null, doi=10.19693/j.issn.1673-3185.04523, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1747324800000, receivedDateStr=2025-05-16, revisedDate=1757088000000, revisedDateStr=2025-09-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1779247521482, onlineDateStr=2026-05-20, pubDate=1777478400000, pubDateStr=2026-04-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1779247521482, onlineIssueDateStr=2026-05-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1779247521482, creator=13041195026, updateTime=1779247521482, updator=13041195026, issue=Issue{id=1263818962224165389, tenantId=1146029695717560320, journalId=1263530845441638439, year='2026', volume='21', issue='2', pageStart='1', pageEnd='444', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1779247521215, creator=13041195026, updateTime=1779247861438, updator=13041195026, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1263820389638070544, tenantId=1146029695717560320, journalId=1263530845441638439, issueId=1263818962224165389, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1263820389638070545, tenantId=1146029695717560320, journalId=1263530845441638439, issueId=1263818962224165389, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=148, endPage=159, ext={EN=ArticleExt(id=1263818964405240400, articleId=1263818963344081484, tenantId=1146029695717560320, journalId=1263530845441638439, language=EN, title=Research on the failure mechanism and shock response characteristics of titanium alloy cylindrical shell implosion in deep-sea high-pressure environment, columnId=1263818964086436367, journalTitle=Chinese Journal of Ship Research, columnName=Overall Design Technology of Unmanned Underwater Systems, runingTitle=null, highlight=null, articleAbstract=
Objectives Deep-sea pressure hulls are at risk of implosion when subjected to extreme hydrostatic pressures that exceed their ultimate bearing capacities. Therefore, it is essential to investigate the failure mechanisms and shock response characteristics of titanium alloy cylindrical shells under implosion conditions.
Methods First, an independent deep-sea implosion experimental platform was developed, and underwater experiments were conducted on the titanium alloy cylindrical shell in a deep-sea high-pressure environment. A compressible multiphase flow module was then developed to simulate the high-speed motion of the flow field during the underwater implosion. The explicit nonlinear finite element method was employed to analyze the dynamic response associated with the collapse and failure of the titanium alloy cylindrical shell. Finally, the characteristics of the titanium alloy cylindrical shell implosion were investigated, focusing on the fluid-structure interaction mechanism, the evolution of asymmetric shock waves in the multiphase medium, the nonlinear dynamic response of the structure, and the energy balance relationships.
Results The results showed that the titanium alloy cylindrical shell, with a length-to-diameter ratio of 2, collapsed in the first-order instability mode, and the implosion center formed twice successively. As hydrostatic pressure increased, a pronounced migration effect of the first implosion center was observed. Meanwhile, the failure mechanism of the shell transitioned progressively from inward extrusion to inward curling, and the rupture morphology evolved from an arcuate shape to an M-shaped configuration.
Conclusions This study reveals the failure mechanism and shock response characteristics of the titanium alloy cylindrical shell implosion, providing valuable insights for the implosion assessment and protection of deep-sea pressure hulls.
, correspAuthors=Min ZHAO, Jiancai ZHENG, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2026 Chinese Journal of Ship Research. 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, authorCompany=null, fund=null, authors=null, authorsList=Mingyi LI, Min ZHAO, Jiancai ZHENG, Jixie HUANG), CN=ArticleExt(id=1263818991357838169, articleId=1263818963344081484, tenantId=1146029695717560320, journalId=1263530845441638439, language=CN, title=深海高压环境下钛合金圆柱壳内爆失效机制及冲击特性研究, columnId=1263818964476506641, journalTitle=中国舰船研究, columnName=水下无人系统总体设计技术, runingTitle=null, highlight=null, articleAbstract=
目的 旨在开展深海钛合金圆柱壳内爆失效机制及冲击特性研究。
方法 首先,自主搭建深海内爆试验平台,开展深海高压环境下钛合金圆柱壳的水下内爆试验;然后,自主开发可压缩多相流模块求解水下内爆流场的高速运动,采用显式非线性有限元法求解深海高压钛合金耐压结构坍塌时的失效动态响应,分析钛合金圆柱壳内爆过程中的流固耦合机制、多相介质中非对称冲击波演化规律、结构非线性动态响应与能量平衡的关系。
结果 结果显示,长径比为2的钛合金圆柱壳呈现出一阶模态失稳坍塌形式,且先后两次形成内爆中心;随着静水压力的增大,首个内爆中心发生显著的迁移效应,钛合金圆柱壳失效模式逐渐由向内挤压变成向内卷曲,破碎形态从“弓”形转变成“M”形。
结论 研究成果揭示了深海钛合金圆柱壳的内爆失效机制及冲击特性,对深海耐压结构内爆评估及防护研究具有重要的指导意义。
, correspAuthors=赵敏, 郑建才, authorNote=null, correspAuthorsNote=
* 赵敏
** 郑建才
, copyrightStatement=版权所有 © 《中国舰船研究》编辑部 2026, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=yXkxPv4ixABscBVOF4aRqA==, magXml=t2TOkz4jY80i4id+9B7dpw==, pdfUrl=null, pdf=XXwZPGTRWb9FPlqaGhKvAQ==, pdfFileSize=43594821, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=ZWGNLCNa+laR2jlU69RvNg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=OzhlNxlMu0ZhtEll8V9lkg==, mapNumber=null, authorCompany=null, fund=null, authors=
, authorsList=李明怡, 赵敏, 郑建才, 黄己协)}, authors=[Author(id=1263818994184799108, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=limingyi@sjtu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1263818994440651663, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, authorId=1263818994184799108, language=EN, stringName=Mingyi LI, firstName=Mingyi, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1School of Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
2State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
3State Key Laboratory of Submarine Geoscience, Shanghai Jiao Tong University, Shanghai 200240, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1263818996445528979, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, authorId=1263818994184799108, language=CN, stringName=李明怡, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1上海交通大学 船舶海洋与建筑工程学院,上海 200240
2上海交通大学 海洋工程全国重点实验室,上海 200240
3上海交通大学 海底科学与划界全国重点实验室,上海 200240, bio={"content":"
李明怡,男,2001年生,硕士生。研究方向:深海钛合金耐压结构冲击及防护技术。E-mail:limingyi@sjtu.edu.cn
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李明怡,男,2001年生,硕士生。研究方向:深海钛合金耐压结构冲击及防护技术。E-mail:limingyi@sjtu.edu.cn
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3上海交通大学 海底科学与划界全国重点实验室,上海 200240)])]), Author(id=1263818998156805015, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=min.zhao@sjtu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1263818998387491745, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, authorId=1263818998156805015, language=EN, stringName=Min ZHAO, firstName=Min, middleName=null, lastName=ZHAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
*, 1, 2, 3, 4, address=
1School of Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
2State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
3State Key Laboratory of Submarine Geoscience, Shanghai Jiao Tong University, Shanghai 200240, China
4Shanghai Jiao Tong University Sichuan Research Institute, Chengdu 610213, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1263818998483960742, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, authorId=1263818998156805015, language=CN, stringName=赵敏, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
*, 1, 2, 3, 4, address=
1上海交通大学 船舶海洋与建筑工程学院,上海 200240
2上海交通大学 海洋工程全国重点实验室,上海 200240
3上海交通大学 海底科学与划界全国重点实验室,上海 200240
4上海交通大学 四川研究院,四川 成都 610213, bio={"content":"
赵敏,男,1981年生,博士,研究员。研究方向:潜水器总体技术。E-mail:min.zhao@sjtu.edu.cn
"}, bioImg=null, bioContent=
赵敏,男,1981年生,博士,研究员。研究方向:潜水器总体技术。E-mail:min.zhao@sjtu.edu.cn
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1School of Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China), AuthorCompanyExt(id=1263818991798240102, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, companyId=1263818991781462884, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1上海交通大学 船舶海洋与建筑工程学院,上海 200240)]), AuthorCompany(id=1263818991978595178, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, xref=2, ext=[AuthorCompanyExt(id=1263818991991178091, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, companyId=1263818991978595178, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China), AuthorCompanyExt(id=1263818991995372396, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, companyId=1263818991978595178, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2上海交通大学 海洋工程全国重点实验室,上海 200240)]), AuthorCompany(id=1263818993840866161, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, xref=3, ext=[AuthorCompanyExt(id=1263818993870226293, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, companyId=1263818993840866161, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3State Key Laboratory of Submarine Geoscience, Shanghai Jiao Tong University, Shanghai 200240, China), AuthorCompanyExt(id=1263818993916363637, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, companyId=1263818993840866161, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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4上海交通大学 四川研究院,四川 成都 610213)])]), Author(id=1263818998584624042, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zhengjiancai@sjtu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1263818998899196851, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, authorId=1263818998584624042, language=EN, stringName=Jiancai ZHENG, firstName=Jiancai, middleName=null, lastName=ZHENG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
*, 1, 2, 3, address=
1School of Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
2State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
3State Key Laboratory of Submarine Geoscience, Shanghai Jiao Tong University, Shanghai 200240, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1263818999050191799, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, authorId=1263818998584624042, language=CN, stringName=郑建才, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
*, 1, 2, 3, address=
1上海交通大学 船舶海洋与建筑工程学院,上海 200240
2上海交通大学 海洋工程全国重点实验室,上海 200240
3上海交通大学 海底科学与划界全国重点实验室,上海 200240, bio={"content":"
郑建才,男,1994年生,博士生。研究方向:深海耐压结构内爆试验及数值分析。E-mail:zhengjiancai@sjtu.edu.cn
"}, bioImg=null, bioContent=
郑建才,男,1994年生,博士生。研究方向:深海耐压结构内爆试验及数值分析。E-mail:zhengjiancai@sjtu.edu.cn
, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1263818991781462884, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, xref=1, ext=[AuthorCompanyExt(id=1263818991789851493, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, companyId=1263818991781462884, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1上海交通大学 船舶海洋与建筑工程学院,上海 200240)]), AuthorCompany(id=1263818991978595178, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, xref=2, ext=[AuthorCompanyExt(id=1263818991991178091, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, companyId=1263818991978595178, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3上海交通大学 海底科学与划界全国重点实验室,上海 200240)])]), Author(id=1263818999356375996, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1263818999553508292, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, authorId=1263818999356375996, language=EN, stringName=Jixie HUANG, firstName=Jixie, middleName=null, lastName=HUANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1School of Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
2State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
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1上海交通大学 船舶海洋与建筑工程学院,上海 200240
2上海交通大学 海洋工程全国重点实验室,上海 200240
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1上海交通大学 船舶海洋与建筑工程学院,上海 200240)]), AuthorCompany(id=1263818991978595178, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, xref=2, ext=[AuthorCompanyExt(id=1263818991991178091, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, companyId=1263818991978595178, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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4上海交通大学 四川研究院,四川 成都 610213)])], figs=[ArticleFig(id=1263819010072821776, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.1, caption=
Geometric dimensions of the cylindrical shell, figureFileSmall=yfar5AuPCuKRKBXLHoPB2A==, figureFileBig=ZWGNLCNa+laR2jlU69RvNg==, tableContent=null), ArticleFig(id=1263819011742154771, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图1, caption=
圆柱壳几何尺寸示意图, figureFileSmall=yfar5AuPCuKRKBXLHoPB2A==, figureFileBig=ZWGNLCNa+laR2jlU69RvNg==, tableContent=null), ArticleFig(id=1263819012111253532, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.2, caption=
Full-ocean-depth sea environment simulator, figureFileSmall=YIlndh02j5GzCZ5ZaRq4ig==, figureFileBig=OPcjQMMXHmqo2WmFmwiYQw==, tableContent=null), ArticleFig(id=1263819012388077600, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图2, caption=
全海深深海环境模拟器, figureFileSmall=YIlndh02j5GzCZ5ZaRq4ig==, figureFileBig=OPcjQMMXHmqo2WmFmwiYQw==, tableContent=null), ArticleFig(id=1263819012803313704, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.3, caption=
Procedure of underwater implosion test for the titanium alloy cylindrical shell, figureFileSmall=c/IPkkMwPJG9fnyu6YQz1A==, figureFileBig=V8OcBDC+quNLTq041iFdUg==, tableContent=null), ArticleFig(id=1263819013122080813, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图3, caption=
钛合金圆柱壳水下内爆试验流程图, figureFileSmall=c/IPkkMwPJG9fnyu6YQz1A==, figureFileBig=V8OcBDC+quNLTq041iFdUg==, tableContent=null), ArticleFig(id=1263819013461819443, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.4, caption=
Underwater implosion test of the titanium alloy cylindrical shell, figureFileSmall=MpE0ciT3kMlge0fWLJkOHQ==, figureFileBig=hCE3oSb1UIiTo3wtDJJrTg==, tableContent=null), ArticleFig(id=1263819013696700476, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图4, caption=
钛合金圆柱壳内爆试验, figureFileSmall=MpE0ciT3kMlge0fWLJkOHQ==, figureFileBig=hCE3oSb1UIiTo3wtDJJrTg==, tableContent=null), ArticleFig(id=1263819013981913152, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.5, caption=
Numerical calculation flow chart of fluid-structure interaction for underwater implosion, figureFileSmall=cNjmFXVOvrImUJD2133L6Q==, figureFileBig=aFbYbvIFtXOYIV15Auxzkg==, tableContent=null), ArticleFig(id=1263819014409732165, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图5, caption=
水下内爆流固耦合计算流程, figureFileSmall=cNjmFXVOvrImUJD2133L6Q==, figureFileBig=aFbYbvIFtXOYIV15Auxzkg==, tableContent=null), ArticleFig(id=1263819016267808840, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.6, caption=
Computational domain setting and grid distribution, figureFileSmall=sI3vVbPn5KJpGj3nDMjN9g==, figureFileBig=DG2TNo2m0P58HyCWno9/Dw==, tableContent=null), ArticleFig(id=1263819016553021517, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图6, caption=
计算域的设置及网格分布, figureFileSmall=sI3vVbPn5KJpGj3nDMjN9g==, figureFileBig=DG2TNo2m0P58HyCWno9/Dw==, tableContent=null), ArticleFig(id=1263819016892760146, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.7, caption=
Experimental debris and structural deformation in numerical simulation, figureFileSmall=UC6CtsUXf7MFkRISETQ5JA==, figureFileBig=8YXHkVk14l0qAqrCYGMEUQ==, tableContent=null), ArticleFig(id=1263819017530294359, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图7, caption=
试验残骸与数值模拟中的结构变形, figureFileSmall=UC6CtsUXf7MFkRISETQ5JA==, figureFileBig=8YXHkVk14l0qAqrCYGMEUQ==, tableContent=null), ArticleFig(id=1263819017857450076, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.8, caption=
Failure mode of implosion of cylindrical shells with a length-to-diameter ratio of 2, figureFileSmall=lxZR2n/TT1Gfs5YSRUeqpA==, figureFileBig=8BPNnTAS9oEZPp5m4dOMsQ==, tableContent=null), ArticleFig(id=1263819018146857057, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图8, caption=
长径比为2时圆柱壳内爆失效形式, figureFileSmall=lxZR2n/TT1Gfs5YSRUeqpA==, figureFileBig=8BPNnTAS9oEZPp5m4dOMsQ==, tableContent=null), ArticleFig(id=1263819018562093160, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.9, caption=
Shock wave of implosion in experiment and numerical simulation, figureFileSmall=L8znTxO+8FCKEMTROrkGmA==, figureFileBig=V/Dc7SpqHq9TFGXW5hsQVA==, tableContent=null), ArticleFig(id=1263819019006689388, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图9, caption=
试验与数值模拟中内爆冲击波, figureFileSmall=L8znTxO+8FCKEMTROrkGmA==, figureFileBig=V/Dc7SpqHq9TFGXW5hsQVA==, tableContent=null), ArticleFig(id=1263819020885737587, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.10, caption=
Fluid-structure interaction of cylindrical shell underwater implosion under different hydrostatic pressures, figureFileSmall=mpoxa3DXoDLlM9pdrutCJQ==, figureFileBig=njwC1YWmG/Lw5hmwNR7AQA==, tableContent=null), ArticleFig(id=1263819021108035703, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图10, caption=
不同静水压力下圆柱壳内爆流固耦合特征, figureFileSmall=mpoxa3DXoDLlM9pdrutCJQ==, figureFileBig=njwC1YWmG/Lw5hmwNR7AQA==, tableContent=null), ArticleFig(id=1263819021384859774, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.11, caption=
Pressure peak of the implosion center, figureFileSmall=oQQ1qJFQDjurAebWX+f4gA==, figureFileBig=cdXrmyI30vrJKzup/+VLDA==, tableContent=null), ArticleFig(id=1263819021598769283, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图11, caption=
内爆中心最大压力, figureFileSmall=oQQ1qJFQDjurAebWX+f4gA==, figureFileBig=cdXrmyI30vrJKzup/+VLDA==, tableContent=null), ArticleFig(id=1263819021833650310, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.12, caption=
Time-history curves of shock wave pressure, figureFileSmall=nbXkypIgG6hcv1gTZRMsJA==, figureFileBig=rGm0r9KK/CXr35eVVvIAhA==, tableContent=null), ArticleFig(id=1263819022206943372, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图12, caption=
冲击波压力时程曲线, figureFileSmall=nbXkypIgG6hcv1gTZRMsJA==, figureFileBig=rGm0r9KK/CXr35eVVvIAhA==, tableContent=null), ArticleFig(id=1263819022773174419, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.13, caption=
The collapse process of the titanium alloy cylindrical shell implosion, figureFileSmall=dTNSF1k4U6go+KsoTjPcBg==, figureFileBig=8I+PXJijzC+07sSMmxSFDw==, tableContent=null), ArticleFig(id=1263819022966112412, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图13, caption=
钛合金圆柱壳内爆坍塌过程, figureFileSmall=dTNSF1k4U6go+KsoTjPcBg==, figureFileBig=8I+PXJijzC+07sSMmxSFDw==, tableContent=null), ArticleFig(id=1263819023171633311, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.14, caption=
Energy evolution curves of the fluid, figureFileSmall=GpQW6xD12CQHc0YMqVT/UQ==, figureFileBig=x4HCpVHLlpUS5bSS6Fr/9Q==, tableContent=null), ArticleFig(id=1263819023582675110, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图14, caption=
流体能量演化曲线, figureFileSmall=GpQW6xD12CQHc0YMqVT/UQ==, figureFileBig=x4HCpVHLlpUS5bSS6Fr/9Q==, tableContent=null), ArticleFig(id=1263819025323311275, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Fig.15, caption=
Energy evolution curves of the titanium alloy cylindrical shell, figureFileSmall=G94PDrx6ErrAm8E4le7nDA==, figureFileBig=AUXqBcfvuSpIFO5MYywPkg==, tableContent=null), ArticleFig(id=1263819025738547376, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=图15, caption=
钛合金圆柱壳能量演化曲线, figureFileSmall=G94PDrx6ErrAm8E4le7nDA==, figureFileBig=AUXqBcfvuSpIFO5MYywPkg==, tableContent=null), ArticleFig(id=1263819026149589178, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Tab.1, caption=
Parameters of the Johnson-Cook constitutive model and failure model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | | 参数 | 数值 |
| A/MPa | 862 | | d1 | −0.009 |
| B/MPa | 331 | | d2 | 0.25 |
| n | 0.34 | | d3 | −0.5 |
| C | 0.012 | | d4 | 0.014 |
| m | 0.8 | | d5 | 3.87 |
), ArticleFig(id=1263819026350915774, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=表1, caption=
Johnson-Cook本构和失效模型参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | | 参数 | 数值 |
| A/MPa | 862 | | d1 | −0.009 |
| B/MPa | 331 | | d2 | 0.25 |
| n | 0.34 | | d3 | −0.5 |
| C | 0.012 | | d4 | 0.014 |
| m | 0.8 | | d5 | 3.87 |
), ArticleFig(id=1263819026631934146, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=EN, label=Tab.2, caption=
Parameters of the numerical simulation
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 水密度ρw/(kg·m−3) | 1 000 |
| 水压力Pw/MPa | 8.8 |
| 空气密度ρa/(kg·m−3) | 1 |
| 空气压力Pa/MPa | 0.101 3 |
| TC4弹性模量E/GPa | 114 |
| TC4密度ρTC4/(kg·m−3) | 4 430 |
), ArticleFig(id=1263819026908758217, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263818963344081484, language=CN, label=表2, caption=
数值模拟参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 水密度ρw/(kg·m−3) | 1 000 |
| 水压力Pw/MPa | 8.8 |
| 空气密度ρa/(kg·m−3) | 1 |
| 空气压力Pa/MPa | 0.101 3 |
| TC4弹性模量E/GPa | 114 |
| TC4密度ρTC4/(kg·m−3) | 4 430 |
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Parameters of the convergence test
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| 网格比例 | 网格尺寸/ mm | 压力峰值/MPa | 相对差值ε | Rf | 最大位移/mm | 相对差值ε | Rs |
| $ \sqrt{2} $ | 2.12 | 21.767 | | | 62.5 | | |
| 1 | 1.50 | 21.877 | 0.110 | | 55.3 | −7.2 | |
| $ \sqrt{2} / 2 $ | 1.06 | 21.966 | 0.089 | 0.81 | 53.5 | −1.8 | 0.25 |
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收敛性参数
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| 网格比例 | 网格尺寸/ mm | 压力峰值/MPa | 相对差值ε | Rf | 最大位移/mm | 相对差值ε | Rs |
| $ \sqrt{2} $ | 2.12 | 21.767 | | | 62.5 | | |
| 1 | 1.50 | 21.877 | 0.110 | | 55.3 | −7.2 | |
| $ \sqrt{2} / 2 $ | 1.06 | 21.966 | 0.089 | 0.81 | 53.5 | −1.8 | 0.25 |
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Case setting for underwater implosion
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| 算例编号 | 模拟水深/m | 环境压力/MPa | 结构尺寸/mm | 计算域尺寸 |
| 1 | 880 | 8.8 | r = 60.0 | R = 15rL = 30r |
| 2 | 980 | 9.8 | l = 240.0 |
| 3 | 1 080 | 10.8 | d = 2.4 |
| 4 | 1 180 | 11.8 | d2 = 5.0 |
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水下内爆算例设置
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| 算例编号 | 模拟水深/m | 环境压力/MPa | 结构尺寸/mm | 计算域尺寸 |
| 1 | 880 | 8.8 | r = 60.0 | R = 15rL = 30r |
| 2 | 980 | 9.8 | l = 240.0 |
| 3 | 1 080 | 10.8 | d = 2.4 |
| 4 | 1 180 | 11.8 | d2 = 5.0 |
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