Article(id=1243306064570074076, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243306060832944396, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2025.03.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1726934400000, receivedDateStr=2024-09-22, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1774356865303, onlineDateStr=2026-03-24, pubDate=1742400000000, pubDateStr=2025-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1774356865303, onlineIssueDateStr=2026-03-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774356865302, creator=13701087609, updateTime=1774356865302, updator=13701087609, issue=Issue{id=1243306060832944396, tenantId=1146029695717560320, journalId=1240685776644648972, year='2025', volume='29', issue='3', pageStart='337', pageEnd='516', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1774356864412, creator=13701087609, updateTime=1774357001622, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1243306636396310539, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243306060832944396, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1243306636396310540, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243306060832944396, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=465, endPage=473, ext={EN=ArticleExt(id=1243306064867869672, articleId=1243306064570074076, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Strength and stability analysis on hydrostatic pressure structure with initial stress field, columnId=1242129251223274417, journalTitle=Journal of Ship Mechanics, columnName=Structural Mechanics, runingTitle=null, highlight=null, articleAbstract=
Aiming at the initial stress field generated by welding of ring-ribbed cylindrical shell structures with initial geometric defects after shape correction, this paper presents the study on the influence of initial stress field on the strength and stability of ring-ribbed cylindrical shell structures under the premise of considering geometric nonlinearity caused by large deformation. The finite element model of ring-ribbed cylindrical shell with initial geometric defects was constructed by using ANSYS software and the initial stress field was calculated. The strength and stability of ring-ribbed cylindrical shell with initial geometric defects and stress field were solved by arc length method. The comparison between the experimental results and the calculated results verifies the validity of the model. The analysis shows that the ultimate bearing capacity of the ring-ribbed cylindrical shell under hydrostatic external pressure is slightly reduced, and the regularity of the instability waveform is reduced, but the failure position remains unchanged.
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针对合拢端口含初始几何缺陷的环肋圆柱壳结构在形状矫正后装配产生的初应力场问题,在考虑由大变形引起的几何非线性的前提下,研究初应力场对环肋圆柱壳结构强度及稳定性的影响。采用试验方法,获得典型环肋圆柱壳在端口位移载荷下的结构应力;同时利用ANSYS软件构建含初始几何缺陷的环肋圆柱壳有限元模型并计算得到初应力场;通过试验结果与计算结果的对比验证数值仿真的有效性;进一步通过弧长法对含初始几何缺陷及初应力场的水下耐压结构的强度与稳定性进行求解。分析表明:受静水外压作用的水下耐压结构在考虑初始静应力场后,其极限承载能力出现小幅下降,结构失稳波形规则性降低,但破坏位置未发生变化。
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1.中国船舶科学研究中心,江苏 无锡,214082
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3.深海技术科学太湖实验室,江苏 无锡,214082, bio={"content":"
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1, 2, 3, address=
1.China Ship Scientific Research Center, Wuxi 214082, China
2.State Key Laboratory of Deep-sea Manned Vehicles, Wuxi 214082, China
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2.深海载人装备全国重点实验室 江苏 无锡,214082
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2.深海载人装备全国重点实验室 江苏 无锡,214082)]), AuthorCompany(id=1243306069385134217, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, xref=3., ext=[AuthorCompanyExt(id=1243306069397717132, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, companyId=1243306069385134217, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.Taihu Laboratory of Deepsea Technological Science, Wuxi 214082, China), AuthorCompanyExt(id=1243306069410300044, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, companyId=1243306069385134217, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.深海技术科学太湖实验室,江苏 无锡,214082)])], figs=[ArticleFig(id=1243306073025790277, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.1, caption=
Model form and test state, figureFileSmall=YAzV+LtKwsnwjRbTM2uyfg==, figureFileBig=tDe11hWU16B9O4ectZKUpQ==, tableContent=null), ArticleFig(id=1243306073109676360, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图1, caption=
模型型式及试验状态, figureFileSmall=YAzV+LtKwsnwjRbTM2uyfg==, figureFileBig=tDe11hWU16B9O4ectZKUpQ==, tableContent=null), ArticleFig(id=1243306073348751702, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.2, caption=
Device arrangement and test principle, figureFileSmall=yWgGAQM0xnvli5u43SHzjA==, figureFileBig=5tT/JAUm6YRlsIf/ybHWrA==, tableContent=null), ArticleFig(id=1243306073457803612, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图2, caption=
压码布置及测试原理, figureFileSmall=yWgGAQM0xnvli5u43SHzjA==, figureFileBig=5tT/JAUm6YRlsIf/ybHWrA==, tableContent=null), ArticleFig(id=1243306073596215651, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.3, caption=
Schematic diagram of local deformation measurement, figureFileSmall=kkvuUXfQABSwcG35gd3yrA==, figureFileBig=h//jJyWaEGJN6fu9jTz8ug==, tableContent=null), ArticleFig(id=1243306073734627691, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图3, caption=
局部变形测量示意图, figureFileSmall=kkvuUXfQABSwcG35gd3yrA==, figureFileBig=h//jJyWaEGJN6fu9jTz8ug==, tableContent=null), ArticleFig(id=1243306073847873910, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.4, caption=
Locations and numbers of measuring points, figureFileSmall=VNvynaUBK3Cm0/4I03St4Q==, figureFileBig=EqVt+qwFF4A2+V2Zu1+7og==, tableContent=null), ArticleFig(id=1243306073948537213, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图4, caption=
测点位置及编号, figureFileSmall=VNvynaUBK3Cm0/4I03St4Q==, figureFileBig=EqVt+qwFF4A2+V2Zu1+7og==, tableContent=null), ArticleFig(id=1243306074065977732, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.5, caption=
Calculation model, figureFileSmall=M0Rk1CXI2xQc4os2yJR4uQ==, figureFileBig=0rpM5z8P0ry0mipBf418Aw==, tableContent=null), ArticleFig(id=1243306074305053071, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图5, caption=
计算模型, figureFileSmall=M0Rk1CXI2xQc4os2yJR4uQ==, figureFileBig=0rpM5z8P0ry0mipBf418Aw==, tableContent=null), ArticleFig(id=1243306074489602450, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.6, caption=
Circumferential stress in Working Condition 1, figureFileSmall=xgGTVLDa6oiKMAyZwv29QA==, figureFileBig=Kbp5cCE3PpJ0OwN4DxD03g==, tableContent=null), ArticleFig(id=1243306074607042967, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图6, caption=
工况1表面周向应力云图, figureFileSmall=xgGTVLDa6oiKMAyZwv29QA==, figureFileBig=Kbp5cCE3PpJ0OwN4DxD03g==, tableContent=null), ArticleFig(id=1243306074791592351, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.7, caption=
Comparison of stresses, figureFileSmall=mmB9mNfdF8yiaLJlS8vnyQ==, figureFileBig=gzNJNcjHr5oJO8ZeA+b9qg==, tableContent=null), ArticleFig(id=1243306075005501863, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图7, caption=
应力对比, figureFileSmall=mmB9mNfdF8yiaLJlS8vnyQ==, figureFileBig=gzNJNcjHr5oJO8ZeA+b9qg==, tableContent=null), ArticleFig(id=1243306075290714542, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.8, caption=
Geometrical and finite element model of the structure, figureFileSmall=NPzYc7V/MytuMazS4pg8Lw==, figureFileBig=iOQ9R6HpIZW2vt6n3uQSQA==, tableContent=null), ArticleFig(id=1243306075462681014, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图8, caption=
结构整体几何及有限元模型, figureFileSmall=NPzYc7V/MytuMazS4pg8Lw==, figureFileBig=iOQ9R6HpIZW2vt6n3uQSQA==, tableContent=null), ArticleFig(id=1243306075563344319, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.9, caption=
Amounts of deflection and deformation before and after orthosis, figureFileSmall=LxjIPgCAPzlnhsU8h9K6iA==, figureFileBig=hprNGAyyrm4+UeEF/Oz3jg==, tableContent=null), ArticleFig(id=1243306075643036098, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图9, caption=
矫形前后挠度及变形量, figureFileSmall=LxjIPgCAPzlnhsU8h9K6iA==, figureFileBig=hprNGAyyrm4+UeEF/Oz3jg==, tableContent=null), ArticleFig(id=1243306075773059532, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.10, caption=
Steps of simulation calculation, figureFileSmall=6SfOn/xD9Z9R2jLnGCsPHw==, figureFileBig=2Vb6uIUzjGC9gnwHmI4aqA==, tableContent=null), ArticleFig(id=1243306075840168400, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图10, caption=
仿真计算流程, figureFileSmall=6SfOn/xD9Z9R2jLnGCsPHw==, figureFileBig=2Vb6uIUzjGC9gnwHmI4aqA==, tableContent=null), ArticleFig(id=1243306075928248791, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.11, caption=
Radial deformation of the structure after orthosis, figureFileSmall=84kG/vNyKz76Bgzd9afmkw==, figureFileBig=6IfOIm3Ag4vouKWmpdbjBQ==, tableContent=null), ArticleFig(id=1243306076037300702, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图11, caption=
矫形后结构径向变形, figureFileSmall=84kG/vNyKz76Bgzd9afmkw==, figureFileBig=6IfOIm3Ag4vouKWmpdbjBQ==, tableContent=null), ArticleFig(id=1243306076142158309, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.12, caption=
Circumferential stress of the structure after orthosis, figureFileSmall=LP05P3XQsJKkj7TKcFC01A==, figureFileBig=Dja5By9zTeTZuzmyWxhWDQ==, tableContent=null), ArticleFig(id=1243306076251210216, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图12, caption=
矫形后结构周向应力, figureFileSmall=LP05P3XQsJKkj7TKcFC01A==, figureFileBig=Dja5By9zTeTZuzmyWxhWDQ==, tableContent=null), ArticleFig(id=1243306076351873518, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.13, caption=
Circumferential stress of the narrow strip structure after orthosis, figureFileSmall=Kql1rFYIIfz5ySr8Xxt84Q==, figureFileBig=2/gIcedccxiWAsUDDkAX7A==, tableContent=null), ArticleFig(id=1243306076456731124, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图13, caption=
矫形后狭条周向应力, figureFileSmall=Kql1rFYIIfz5ySr8Xxt84Q==, figureFileBig=2/gIcedccxiWAsUDDkAX7A==, tableContent=null), ArticleFig(id=1243306076536422909, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.14, caption=
Radial deformation of the structure before orthosis under the action of initial static field, figureFileSmall=ZtPPV3DQe2nQqQlrTJfkOQ==, figureFileBig=e0WNQ7niQQMXmKjU8MT2PA==, tableContent=null), ArticleFig(id=1243306076616114690, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图14, caption=
初始静应力场作用下矫形前结构径向变形, figureFileSmall=ZtPPV3DQe2nQqQlrTJfkOQ==, figureFileBig=e0WNQ7niQQMXmKjU8MT2PA==, tableContent=null), ArticleFig(id=1243306076704195077, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.15, caption=
Circumferential stress of the structure before orthosis under the action of initial static field, figureFileSmall=2LN8UOzMhUVkOiIOQ+BEKg==, figureFileBig=/FU01IgKiyy39kdFVr5TzQ==, tableContent=null), ArticleFig(id=1243306076796469769, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图15, caption=
初始静应力场作用下矫形前结构周向应力, figureFileSmall=2LN8UOzMhUVkOiIOQ+BEKg==, figureFileBig=/FU01IgKiyy39kdFVr5TzQ==, tableContent=null), ArticleFig(id=1243306076892938767, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.16, caption=
Circumferential stress of the assembled structure, figureFileSmall=VnN6HK4n3edIct/CWF9oiA==, figureFileBig=Gz8F0188N/tbZtTgc+OHaA==, tableContent=null), ArticleFig(id=1243306077001990678, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图16, caption=
装配后结构周向应力, figureFileSmall=VnN6HK4n3edIct/CWF9oiA==, figureFileBig=Gz8F0188N/tbZtTgc+OHaA==, tableContent=null), ArticleFig(id=1243306077111042589, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.17, caption=
Circumferential stress of the narrow strip structure after assembly, figureFileSmall=Z1xxeRYBMtUy2SnF0M+O0Q==, figureFileBig=4QzepngfiGUB+WPZ4vVPHg==, tableContent=null), ArticleFig(id=1243306077207511583, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图17, caption=
装配后狭条周向应力, figureFileSmall=Z1xxeRYBMtUy2SnF0M+O0Q==, figureFileBig=4QzepngfiGUB+WPZ4vVPHg==, tableContent=null), ArticleFig(id=1243306077295591970, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.18, caption=
Failure mode of structure with static stress field, figureFileSmall=E4JupMADHQcqhCqefnHLWQ==, figureFileBig=4mW/sexUoDn/+2la8PNCGg==, tableContent=null), ArticleFig(id=1243306077354312230, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图18, caption=
含静应力场的结构失稳波形, figureFileSmall=E4JupMADHQcqhCqefnHLWQ==, figureFileBig=4mW/sexUoDn/+2la8PNCGg==, tableContent=null), ArticleFig(id=1243306077421421098, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Fig.19, caption=
Failure mode of structure without static stress field, figureFileSmall=CVDK6iw3rB9uO8b/hgcItg==, figureFileBig=grt24dzdLPL757x9COePqQ==, tableContent=null), ArticleFig(id=1243306077564027440, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=图19, caption=
不含静应力场的结构失稳波形, figureFileSmall=CVDK6iw3rB9uO8b/hgcItg==, figureFileBig=grt24dzdLPL757x9COePqQ==, tableContent=null), ArticleFig(id=1243306077652107828, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=EN, label=Tab.1, caption=
Deformation of shell plate at the device (Unit: mm)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | 工况1 | 工况2 |
|---|
| #2 | #1 | #2 | #3 |
|---|
| 压码工装端 | 2.5 | 4 | 4.5 | 3.5 |
| 压码球头端 | -2.5 | -5 | -6 | -5 |
), ArticleFig(id=1243306077744382519, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243306064570074076, language=CN, label=表1, caption=
压码处壳板变形量(单位:mm)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | 工况1 | 工况2 |
|---|
| #2 | #1 | #2 | #3 |
|---|
| 压码工装端 | 2.5 | 4 | 4.5 | 3.5 |
| 压码球头端 | -2.5 | -5 | -6 | -5 |
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