Article(id=1243896352808219609, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243896350367134664, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2025.09.010, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1742745600000, receivedDateStr=2025-03-24, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1774497600986, onlineDateStr=2026-03-26, pubDate=1758297600000, pubDateStr=2025-09-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1774497600986, onlineIssueDateStr=2026-03-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774497600986, creator=13701087609, updateTime=1774497600986, updator=13701087609, issue=Issue{id=1243896350367134664, tenantId=1146029695717560320, journalId=1240685776644648972, year='2025', volume='29', issue='9', pageStart='1343', pageEnd='1498', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1774497600404, creator=13701087609, updateTime=1774501609474, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1243913165692584796, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243896350367134664, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1243913165692584797, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1243896350367134664, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1444, endPage=1453, ext={EN=ArticleExt(id=1243896353265398755, articleId=1243896352808219609, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=An analytical method for predicting bi-directional torsional stiffness of unbonded flexible pipes, columnId=1242129251223274417, journalTitle=Journal of Ship Mechanics, columnName=Structural Mechanics, runingTitle=null, highlight=null, articleAbstract=
An analytical model of pipe torsional stiffness in clockwise and counterclockwise directions is derived based on the helical winding structural characteristics of steel wires in the unbonded flexible pipe armour layers considering radial contraction and expansion phenomena. Taking a typical unbonded flexible pipe as an example, the bi-directional torsional stiffness analysis is conducted. The results show that the analytical model has a close match with the results of existing numerical model. It can be found that the error is 3.5% in clockwise torsion, and the error in counterclockwise torsion is 4.6%. This paper can provide a useful reference for the design and analysis of the torsional performance of flexible pipes.
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依据非粘接柔性管道铠装钢丝螺旋缠绕的结构特点,考虑扭转过程中钢丝的径向收缩和膨胀现象,推导了一种正扭和反扭扭转方向下的管道扭转刚度解析模型,并以某典型非粘接柔性管道为实例进行双向扭转刚度分析,计算结果显示,解析模型与现有数值模型结果吻合良好,正扭时误差为3.5%,反扭时误差为4.6%。本研究结论可以为柔性管道扭转性能设计分析提供有益参考。
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1.大连理工大学 化工海洋与生命学院,辽宁 盘锦 124221)]), AuthorCompany(id=1243896366636839310, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, xref=2., ext=[AuthorCompanyExt(id=1243896366645227919, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, companyId=1243896366636839310, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, China), AuthorCompanyExt(id=1243896366653616529, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, companyId=1243896366636839310, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.哈尔滨工程大学 机电工程学院,哈尔滨 150001)])], figs=[ArticleFig(id=1243896370617233941, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=EN, label=Fig.1, caption=
Typical structure and longitudinal section of an unbonded flexible pipe, figureFileSmall=RSx+dOof+vOjcBauiOa99A==, figureFileBig=BKCk9Po8zogQ4xKeFdHE/A==, tableContent=null), ArticleFig(id=1243896370772423194, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=CN, label=图1, caption=
非粘接柔性管道典型结构及纵剖面图, figureFileSmall=RSx+dOof+vOjcBauiOa99A==, figureFileBig=BKCk9Po8zogQ4xKeFdHE/A==, tableContent=null), ArticleFig(id=1243896371284128294, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=EN, label=Fig.2, caption=
Torsional failures of flexible pipes in the process of installation and in-situ applications, figureFileSmall=9u+xlLNAvH52EbFKjsaVcA==, figureFileBig=K3BJLDVXXV1BpcM01XdyNw==, tableContent=null), ArticleFig(id=1243896371548369448, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=CN, label=图2, caption=
安装[1]和在位应用[2]时的柔性管道扭转失效, figureFileSmall=9u+xlLNAvH52EbFKjsaVcA==, figureFileBig=K3BJLDVXXV1BpcM01XdyNw==, tableContent=null), ArticleFig(id=1243896371649032750, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=EN, label=Fig.3, caption=
Schematic of positive twist and negative twist, figureFileSmall=sNU7GvteCGMKf4TDKgrdsA==, figureFileBig=qFjaVPx2L3HZ77AOZb/bhA==, tableContent=null), ArticleFig(id=1243896372055880244, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=CN, label=图3, caption=
正扭反扭示意图, figureFileSmall=sNU7GvteCGMKf4TDKgrdsA==, figureFileBig=qFjaVPx2L3HZ77AOZb/bhA==, tableContent=null), ArticleFig(id=1243896372261401144, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=EN, label=Fig.4, caption=
Three-dimensional diagram of the inner and the outer steel wires in the tensile armors in poitive twist condition, figureFileSmall=IDS5GxxFjB9UXqoIUE7DrQ==, figureFileBig=5b1yABGUpZM+RTnUOKj3rw==, tableContent=null), ArticleFig(id=1243896372387230268, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=CN, label=图4, caption=
正扭时的内外层铠装钢丝受力状况三维图, figureFileSmall=IDS5GxxFjB9UXqoIUE7DrQ==, figureFileBig=5b1yABGUpZM+RTnUOKj3rw==, tableContent=null), ArticleFig(id=1243896372592751169, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=EN, label=Fig.5, caption=
Two-dimensional diagram of stress conditions of the inner and the outer steel wires in the tensile armors for positive twist, figureFileSmall=bmikxV077PRSOBVofzI3/Q==, figureFileBig=u5qOMEGXgj5/XKWKv8zQng==, tableContent=null), ArticleFig(id=1243896372827632194, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=CN, label=图5, caption=
正扭时的内外层铠装钢丝受力状况平面展开图, figureFileSmall=bmikxV077PRSOBVofzI3/Q==, figureFileBig=u5qOMEGXgj5/XKWKv8zQng==, tableContent=null), ArticleFig(id=1243896372915712583, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=EN, label=Fig.6, caption=
Radical shinkage effect of the inner layer and the stress-deformation condition of the steel wire in the tensile armor, figureFileSmall=Z1E6d/BE++Pnt0qufrH6Yg==, figureFileBig=+12l9V5tfOOjb/I1ZhfXow==, tableContent=null), ArticleFig(id=1243896373037347404, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=CN, label=图6, caption=
内层径向收缩效应及钢丝受力变形状况, figureFileSmall=Z1E6d/BE++Pnt0qufrH6Yg==, figureFileBig=+12l9V5tfOOjb/I1ZhfXow==, tableContent=null), ArticleFig(id=1243896373129622098, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=EN, label=Fig.7, caption=
Diagram of stress-deformation condition of the inner steel wire in the tensile armor, figureFileSmall=DcQIY6d2GMKcQjb4T9a5Gg==, figureFileBig=5+JBGhm4J5RIoTOzK7J+Eg==, tableContent=null), ArticleFig(id=1243896373221896788, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=CN, label=图7, caption=
内层铠装钢丝受力变形平面展开图, figureFileSmall=DcQIY6d2GMKcQjb4T9a5Gg==, figureFileBig=5+JBGhm4J5RIoTOzK7J+Eg==, tableContent=null), ArticleFig(id=1243896373322560090, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=EN, label=Fig.8, caption=
Stress condition of the micro element section of the inner steel wire in the armor layer, figureFileSmall=MRvU2GGw40YhaXsm5AeCFg==, figureFileBig=DviUGFvfwfpvAM3xiZUrdA==, tableContent=null), ArticleFig(id=1243896373423223389, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=CN, label=图8, caption=
内层钢丝微元段的受力状况, figureFileSmall=MRvU2GGw40YhaXsm5AeCFg==, figureFileBig=DviUGFvfwfpvAM3xiZUrdA==, tableContent=null), ArticleFig(id=1243896373544858209, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=EN, label=Fig.9, caption=
Radical expansion effect and the stress-deformation condition of the steel wire in the tensile armor, figureFileSmall=kMuzoHNd3JojXLSwWo2+EQ==, figureFileBig=loCvkFrNo0jnzl4sQIFWVw==, tableContent=null), ArticleFig(id=1243896373767156326, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=CN, label=图9, caption=
径向膨胀效应及钢丝受力变形状况, figureFileSmall=kMuzoHNd3JojXLSwWo2+EQ==, figureFileBig=loCvkFrNo0jnzl4sQIFWVw==, tableContent=null), ArticleFig(id=1243896373985260138, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=EN, label=Fig.10, caption=
Stress condition of the outer steel wire in the tensile armor and the micro element section, figureFileSmall=/uU3P8FhP2QH02Ob1EHzSA==, figureFileBig=Z0yD/5fTWFFsja4VGUTVQA==, tableContent=null), ArticleFig(id=1243896374098506349, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=CN, label=图10, caption=
外层铠装钢丝及微元的受力状况, figureFileSmall=/uU3P8FhP2QH02Ob1EHzSA==, figureFileBig=Z0yD/5fTWFFsja4VGUTVQA==, tableContent=null), ArticleFig(id=1243896374211752561, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=EN, label=Fig.11, caption=
Comparison of the torque-twist angle curves, figureFileSmall=7pWIeFrFo9t5nJl+TXjE7w==, figureFileBig=ZcJlxqzgm3K5DIdaNYqsqg==, tableContent=null), ArticleFig(id=1243896374291444341, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=CN, label=图11, caption=
扭矩-转角曲线对比图, figureFileSmall=7pWIeFrFo9t5nJl+TXjE7w==, figureFileBig=ZcJlxqzgm3K5DIdaNYqsqg==, tableContent=null), ArticleFig(id=1243896374408884855, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=EN, label=Tab.1, caption=
Geometry and material parameters of the example pipe
, figureFileSmall=null, figureFileBig=null, tableContent=
| 结构层 | 壁厚/mm | 钢丝数 | 缠绕角度/(°) | 截面面积/mm2 | 屈服强度/MPa | 杨氏模量/MPa | 泊松比 |
|---|
| 骨架层 | 3.5 | 1 | -87.5 | 19.6 | 320 | 199 000 | 0.3 |
| 内护套层 | 4.9 | 1 | — | — | 30 | 284 | 0.4 |
| 抗压层 | 6.2 | 1 | -85.5 | 51.5 | 900 | 207 000 | 0.3 |
| 防磨层1 | 1.5 | 1 | -84.2 | 45 | 20 | 301 | 0.4 |
| 抗拉层1 | 3 | 40 | +35.0 | 18 | 1260 | 211 000 | 0.3 |
| 防磨层2 | 1.5 | 1 | -84.7 | 45 | 20 | 301 | 0.4 |
| 抗拉层2 | 3 | 44 | -35.0 | 18 | 1260 | 211 000 | 0.3 |
| 外护套层 | 0.5 | 1 | — | — | 20 | 600 | 0.4 |
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实例管道几何和材料参数
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| 结构层 | 壁厚/mm | 钢丝数 | 缠绕角度/(°) | 截面面积/mm2 | 屈服强度/MPa | 杨氏模量/MPa | 泊松比 |
|---|
| 骨架层 | 3.5 | 1 | -87.5 | 19.6 | 320 | 199 000 | 0.3 |
| 内护套层 | 4.9 | 1 | — | — | 30 | 284 | 0.4 |
| 抗压层 | 6.2 | 1 | -85.5 | 51.5 | 900 | 207 000 | 0.3 |
| 防磨层1 | 1.5 | 1 | -84.2 | 45 | 20 | 301 | 0.4 |
| 抗拉层1 | 3 | 40 | +35.0 | 18 | 1260 | 211 000 | 0.3 |
| 防磨层2 | 1.5 | 1 | -84.7 | 45 | 20 | 301 | 0.4 |
| 抗拉层2 | 3 | 44 | -35.0 | 18 | 1260 | 211 000 | 0.3 |
| 外护套层 | 0.5 | 1 | — | — | 20 | 600 | 0.4 |
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Comparison of calculation results of torsional stiffness
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| 序号 | 扭转刚度计算模型 | 正扭扭转刚度(kN·m2/rad) | 反扭扭转刚度(kN·m2/rad) |
|---|
| 1 | Senor仿真模型 | 202 | 78 |
| 2 | Lloyd's register仿真模型 | 177 | 82 |
| 3 | MAI Tape version仿真模型 | 213 | 90 |
| 4 | MAI仿真模型 | 218 | 91 |
| 5 | Statoil仿真模型 | 219 | 97 |
| 6 | Seaflex仿真模型 | 202 | 77 |
| 7 | NTH/SINREF仿真模型 | 194 | 72 |
| 8 | Wellstream仿真模型 | 222 | 87 |
| 9 | UCL仿真模型 | 230 | 94 |
| 10 | 仿真模型平均值 | 208.6 | 85.3 |
| 11 | Lei理论模型 | 183.5 | 77.88 |
| 12 | 本文理论模型 | 215.86 | 89.26 |
), ArticleFig(id=1243896374757012101, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1243896352808219609, language=CN, label=表2, caption=
扭转刚度计算结果对比
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| 序号 | 扭转刚度计算模型 | 正扭扭转刚度(kN·m2/rad) | 反扭扭转刚度(kN·m2/rad) |
|---|
| 1 | Senor仿真模型 | 202 | 78 |
| 2 | Lloyd's register仿真模型 | 177 | 82 |
| 3 | MAI Tape version仿真模型 | 213 | 90 |
| 4 | MAI仿真模型 | 218 | 91 |
| 5 | Statoil仿真模型 | 219 | 97 |
| 6 | Seaflex仿真模型 | 202 | 77 |
| 7 | NTH/SINREF仿真模型 | 194 | 72 |
| 8 | Wellstream仿真模型 | 222 | 87 |
| 9 | UCL仿真模型 | 230 | 94 |
| 10 | 仿真模型平均值 | 208.6 | 85.3 |
| 11 | Lei理论模型 | 183.5 | 77.88 |
| 12 | 本文理论模型 | 215.86 | 89.26 |
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