Article(id=1281204188172497729, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281203336514867310, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2026.04.007, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1758038400000, receivedDateStr=2025-09-17, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1783392482083, onlineDateStr=2026-07-07, pubDate=1776182400000, pubDateStr=2026-04-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783392482083, onlineIssueDateStr=2026-07-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783392482083, creator=13041195026, updateTime=1783392482083, updator=13041195026, issue=Issue{id=1281203336514867310, tenantId=1146029695717560320, journalId=1240685776644648972, year='2026', volume='30', issue='4', pageStart='507', pageEnd='658', issueExtLink='null', onlineDate='null', pubDate='1776182400000', pubDateStr='2026-04-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783392279032, creator='13041195026', updateTime=1783395286077, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1281215949713945277, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281203336514867310, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1281215949713945278, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281203336514867310, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=582, endPage=590, ext={EN=ArticleExt(id=1281204188520624962, articleId=1281204188172497729, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Optimization of analytical solution of cap-shaped buckling of submarine pipeline under combined action of multiple factors, columnId=1242129251223274417, journalTitle=Journal of Ship Mechanics, columnName=Structural Mechanics, runingTitle=null, highlight=null, articleAbstract=
Aiming at the limitation that the single-factor model ignores the combined effect of internal pressure and internal fluid weight in the traditional submarine pipeline buckling theory, this study proposed a multi-factor joint analytical solution optimization method based on secondary buckling analysis. Firstly, by combining the Coulomb friction law, Maltby formula and Hobbs and Taylor buckling theory, an analytical model for the secondary buckling deformation of the pipeline under the combined action of temperature-internal pressure-internal fluid weight was established, and the analytical solution of the cap-shaped buckling mode was derived. Secondly, through the thermal-solid coupled finite element model, the pipe-soil contact stiffness and boundary condition parameters were calibrated with experimental data to ensure the equivalence between the numerical model and the actual working conditions. On this basis, the empirical coefficient K1 in the analytical solution is corrected by comparing the theoretical solution with the simulation results, so that the error in the buckling displacement prediction is reduced to less than 2%. The results show that the contribution rate of the internal fluid weight to the axial compression of the pipeline is 35.89%, a factor that significantly affects the critical buckling threshold. The prediction accuracy of the modified analytical solution is improved to more than 98% under the combined condition. The results provide a high-precision theoretical tool for the anti-buckling design of deep-sea pipelines, and lay a methodological foundation for the stability analysis of pipelines under the combined action of multiple physical fields.
, authors=Wei-gang WANG
1, Rui ZHANG
2, Jing-yi LU
3, authorsList=Wei-gang WANG, Rui ZHANG, Jing-yi LU, authorCompany=null, correspAuthors=Wei-gang WANG, 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=1281204205394310113, articleId=1281204188172497729, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=多因素联合作用下海底管道帽形屈曲解析解优化研究, columnId=1241023038926410098, journalTitle=船舶力学, columnName=结构力学, runingTitle=null, highlight=null, articleAbstract=
针对传统海底管道屈曲理论中单因素模型忽略内压和内流体重量联合作用的局限性,本文提出一种基于二次屈曲分析的多因素联合解析解优化方法。首先,结合库仑摩擦定律、Maltby计算公式及Hobbs和Taylor屈曲理论,构建温度–内压–内流体重量联合作用下的管道二次屈曲变形分析模型,推导出帽形屈曲模式的解析解。其次,通过热–固联合有限元模型,以实验数据校准管土接触刚度及边界条件参数,确保数值模型与实际工况的等效性。在此基础上,对比理论解与仿真结果,修正解析解的经验系数K1,使其在屈曲位移预测中误差降低至2%以内。研究表明:内流体重量对管道轴向压缩量贡献率达35.89%,显著影响屈曲临界阈值;修正后的解析解在联合工况下屈曲位移预测精度提升至98%以上。该成果为深海管道抗屈曲设计提供了高精度理论工具,并为多物理场联合作用下的管道稳定性分析奠定了方法基础。
, authors=王维刚
1, 张锐
2, 路敬祎
3, authorsList=王维刚, 张锐, 路敬祎, authorCompany=null, correspAuthors=王维刚, authorNote=
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张 锐(2000–),男,硕士研究生
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3.东北石油大学 三亚海洋油气研究院,海南 三亚 572000)])], figs=[ArticleFig(id=1281204207172694019, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=EN, label=Fig.1, caption=
Model of buckling analysis, figureFileSmall=FANivkZ7Najqi84tTM1WaA==, figureFileBig=o9k7lEkqaQ3oZwMjtJvozg==, tableContent=null), ArticleFig(id=1281204207235608580, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=CN, label=图1, caption=
屈曲分析模型图, figureFileSmall=FANivkZ7Najqi84tTM1WaA==, figureFileBig=o9k7lEkqaQ3oZwMjtJvozg==, tableContent=null), ArticleFig(id=1281204208951078917, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=EN, label=Fig.2, caption=
Finite element model of submarine pipeline-soil, figureFileSmall=9qiJH0/NAasCzHxZssnAzg==, figureFileBig=0MPJmwy4dnVplBGNziPhjQ==, tableContent=null), ArticleFig(id=1281204209018187782, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=CN, label=图2, caption=
海底管道–土壤有限元模型, figureFileSmall=9qiJH0/NAasCzHxZssnAzg==, figureFileBig=0MPJmwy4dnVplBGNziPhjQ==, tableContent=null), ArticleFig(id=1281204209081102343, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=EN, label=Fig.3, caption=
Comparison of experimental and simulation results at different temperatures, figureFileSmall=HAQVoYcnWhp/qfrsKBxWww==, figureFileBig=ysIQa1ZSgz6HNgY2/C+P6g==, tableContent=null), ArticleFig(id=1281204209164988424, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=CN, label=图3, caption=
不同温度下实验结果和仿真结果对比, figureFileSmall=HAQVoYcnWhp/qfrsKBxWww==, figureFileBig=ysIQa1ZSgz6HNgY2/C+P6g==, tableContent=null), ArticleFig(id=1281204209236291593, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=EN, label=Fig.4, caption=
Buckling simulation results in Experiments 1-4, figureFileSmall=2J3ikLgt98AXOTWb/2b32A==, figureFileBig=XJXQ2ohDQlu1rt4LQzPVtQ==, tableContent=null), ArticleFig(id=1281204209295011850, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=CN, label=图4, caption=
实验1-4屈曲仿真结果图, figureFileSmall=2J3ikLgt98AXOTWb/2b32A==, figureFileBig=XJXQ2ohDQlu1rt4LQzPVtQ==, tableContent=null), ArticleFig(id=1281204209437618188, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=EN, label=Fig.5, caption=
Theoretical calculation results of buckling in Experiments 1-4, figureFileSmall=npe3KnMHClGK6erKJuF4vw==, figureFileBig=ozFKShlY4XeWYqlGa03bTw==, tableContent=null), ArticleFig(id=1281204209487949837, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=CN, label=图5, caption=
实验1-4屈曲理论计算结果图, figureFileSmall=npe3KnMHClGK6erKJuF4vw==, figureFileBig=ozFKShlY4XeWYqlGa03bTw==, tableContent=null), ArticleFig(id=1281204209559253006, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=EN, label=Fig.6, caption=
Buckling simulation results of Experiments 5-8, figureFileSmall=EnIsv3eN9XkQ7iH5r3iryQ==, figureFileBig=KwjyXAkt2zMXRscv7xOl1g==, tableContent=null), ArticleFig(id=1281204209626361871, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=CN, label=图6, caption=
实验5-8屈曲仿真结果图, figureFileSmall=EnIsv3eN9XkQ7iH5r3iryQ==, figureFileBig=KwjyXAkt2zMXRscv7xOl1g==, tableContent=null), ArticleFig(id=1281204209701859344, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=EN, label=Fig.7, caption=
Theoretical calculation results of buckling in Experiments 5-8, figureFileSmall=j1/xm2FeQb/8TObpIfvVQg==, figureFileBig=sOo4AGg4envhyi6VUU1Qhw==, tableContent=null), ArticleFig(id=1281204209768968209, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=CN, label=图7, caption=
实验5-8屈曲理论计算结果图, figureFileSmall=j1/xm2FeQb/8TObpIfvVQg==, figureFileBig=sOo4AGg4envhyi6VUU1Qhw==, tableContent=null), ArticleFig(id=1281204209831882770, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=EN, label=Fig.8, caption=
Comparison of the theoretical calculation and simulation results of buckling in Experiments 1-4, figureFileSmall=2oMaErZczTiXEp2Z5HuffQ==, figureFileBig=tnxs62QIk4d5Z4CAB+Euzw==, tableContent=null), ArticleFig(id=1281204209894797331, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=CN, label=图8, caption=
实验1-4屈曲理论计算结果及仿真结果对比图, figureFileSmall=2oMaErZczTiXEp2Z5HuffQ==, figureFileBig=tnxs62QIk4d5Z4CAB+Euzw==, tableContent=null), ArticleFig(id=1281204209961906196, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=EN, label=Fig.9, caption=
Comparison of the theoretical calculation and simulation results of buckling in Experiments 5-8, figureFileSmall=mDJkk8MWPe9G7AHOsci2EA==, figureFileBig=t6VtuulWxKT1iD8vaDKDEQ==, tableContent=null), ArticleFig(id=1281204210041597973, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=CN, label=图9, caption=
实验5-8屈曲理论计算结果及仿真结果对比图, figureFileSmall=mDJkk8MWPe9G7AHOsci2EA==, figureFileBig=t6VtuulWxKT1iD8vaDKDEQ==, tableContent=null), ArticleFig(id=1281204210104512534, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=EN, label=Tab.1, caption=
Model parameters of submarine pipeline
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 实验管道 |
|---|
| 外半径R/mm | 18 |
| 壁厚t/mm | 3 |
| 弹性模量E/GPa | 70 |
| 长度L/m | 9 |
| 热膨胀系数$ \alpha $/(1/℃) | 2.32×10−5 |
| 密度$ \rho $/($ {\text{kg}}\cdot {\mathrm{m}}^{{-3}} $) | 2700 |
| 弯曲刚度EI/($ \text{kN}\cdot \text{m} $) | 2.99 |
| 泊松比v | 0.33 |
| 初始缺陷$ {y}_\text{om} $/m | 0.08 |
), ArticleFig(id=1281204210171621399, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=CN, label=表1, caption=
海底管道模型参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 实验管道 |
|---|
| 外半径R/mm | 18 |
| 壁厚t/mm | 3 |
| 弹性模量E/GPa | 70 |
| 长度L/m | 9 |
| 热膨胀系数$ \alpha $/(1/℃) | 2.32×10−5 |
| 密度$ \rho $/($ {\text{kg}}\cdot {\mathrm{m}}^{{-3}} $) | 2700 |
| 弯曲刚度EI/($ \text{kN}\cdot \text{m} $) | 2.99 |
| 泊松比v | 0.33 |
| 初始缺陷$ {y}_\text{om} $/m | 0.08 |
), ArticleFig(id=1281204210247118872, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=EN, label=Tab.2, caption=
Parameters of soil
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 土壤 |
|---|
| 密度$ \rho $/($ {\text{kg}}\cdot {\mathrm{m}}^{{-3}} $) | 1557 |
| 泊松比v | 0.25 |
| 弹性模量E/GPa | 0.0402 |
| 热膨胀系数$ \alpha $/(1/℃) | 1.2×10−4 |
| 库仑摩擦系数$ \mu $ | 0.5 |
), ArticleFig(id=1281204210318422041, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=CN, label=表2, caption=
土壤参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 土壤 |
|---|
| 密度$ \rho $/($ {\text{kg}}\cdot {\mathrm{m}}^{{-3}} $) | 1557 |
| 泊松比v | 0.25 |
| 弹性模量E/GPa | 0.0402 |
| 热膨胀系数$ \alpha $/(1/℃) | 1.2×10−4 |
| 库仑摩擦系数$ \mu $ | 0.5 |
), ArticleFig(id=1281204210419085338, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=EN, label=Tab.3, caption=
Orthogonal experimental schemes
, figureFileSmall=null, figureFileBig=null, tableContent=
| 实验号 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|
| 温度/℃ | 24 | 24 | 24 | 24 | 72 | 72 | 72 | 72 |
| 内压/MPa | 0 | 0 | 5 | 5 | 0 | 0 | 5 | 5 |
| 内流体密度/(kg·m−3) | 0 | 1500 | 0 | 1500 | 0 | 1500 | 0 | 1500 |
), ArticleFig(id=1281204210494582811, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281204188172497729, language=CN, label=表3, caption=
正交实验方案
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| 实验号 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|
| 温度/℃ | 24 | 24 | 24 | 24 | 72 | 72 | 72 | 72 |
| 内压/MPa | 0 | 0 | 5 | 5 | 0 | 0 | 5 | 5 |
| 内流体密度/(kg·m−3) | 0 | 1500 | 0 | 1500 | 0 | 1500 | 0 | 1500 |
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Results of the orthogonal experiments
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| 实验号 | 仿真位移计算结果/m | 理论位移计算结果/m | 修正前误差 | 经验系数$ {K}_{1} $ |
|---|
| 1 | 0.0826 | 0.0768 | 7.02% | 1.107 |
| 2 | 0.0803 | 0.0752 | 6.35% | 1.096 |
| 3 | 0.0881 | 0.0860 | 2.38% | 1.035 |
| 4 | 0.0863 | 0.0845 | 2.09% | 1.031 |
| 5 | 0.1661 | 0.1692 | 1.87% | 0.971 |
| 6 | 0.1645 | 0.1683 | 2.29% | 0.965 |
| 7 | 0.1694 | 0.1748 | 3.19% | 0.951 |
| 8 | 0.1667 | 0.1739 | 4.32% | 0.935 |
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正交实验结果
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| 实验号 | 仿真位移计算结果/m | 理论位移计算结果/m | 修正前误差 | 经验系数$ {K}_{1} $ |
|---|
| 1 | 0.0826 | 0.0768 | 7.02% | 1.107 |
| 2 | 0.0803 | 0.0752 | 6.35% | 1.096 |
| 3 | 0.0881 | 0.0860 | 2.38% | 1.035 |
| 4 | 0.0863 | 0.0845 | 2.09% | 1.031 |
| 5 | 0.1661 | 0.1692 | 1.87% | 0.971 |
| 6 | 0.1645 | 0.1683 | 2.29% | 0.965 |
| 7 | 0.1694 | 0.1748 | 3.19% | 0.951 |
| 8 | 0.1667 | 0.1739 | 4.32% | 0.935 |
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