Article(id=1281326861871452194, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326807345500788, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2025.12.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1751558400000, receivedDateStr=2025-07-04, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1783421729772, onlineDateStr=2026-07-07, pubDate=1765728000000, pubDateStr=2025-12-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783421729772, onlineIssueDateStr=2026-07-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783421729772, creator=13701087609, updateTime=1783421729772, updator=13701087609, issue=Issue{id=1281326807345500788, tenantId=1146029695717560320, journalId=1240685776644648972, year='2025', volume='29', issue='12', pageStart='1827', pageEnd='1990', issueExtLink='null', onlineDate='null', pubDate='1765728000000', pubDateStr='2025-12-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783421716772, creator='13701087609', updateTime=1783422145004, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1281328603572977733, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326807345500788, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1281328603572977734, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326807345500788, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1848, endPage=1861, ext={EN=ArticleExt(id=1281326862148276259, articleId=1281326861871452194, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Data-driven and machine learning-based optimization design for AUV shape, columnId=1241023037940748650, journalTitle=Journal of Ship Mechanics, columnName=Hydrodynamics, runingTitle=null, highlight=null, articleAbstract=
The performance of Autonomous Underwater Vehicles (AUVs) is significantly influenced by their shape design. This study presents a novel AUV shape optimization method that integrates data-driven approaches and machine learning technique to focus on the impact of the head and tail profiles, and the configuration of the fins and rudders on AUV performance. A parameterized hydrodynamic analysis workflow was developed to automatically generate the hydrodynamic parameters required during the optimization process. Based on this workflow, a data-driven framework was constructed for multi-objective optimization of AUV shapes, with the aims of minimizing drag and maximizing maneuverability. Surrogate models for the two optimization objectives above were built using Multilayer Perceptron (MLP) neural networks and ensemble learning methods respectively, and their performances were compared with traditional surrogate models. The optimization problem was solved using the Non-dominated Sorting Genetic Algorithm II. Comparative analysis of the initial and optimized AUV shapes demonstrates significant improvements in hydrodynamic performance, confirming the feasibility and effectiveness of the proposed method.
, authors=Yun-tian LI
1, 2, Wei-zheng CHEN
1, Qing HAI
1, Wei-ye CHEN
1, authorsList=Yun-tian LI, Wei-zheng CHEN, Qing HAI, Wei-ye CHEN, authorCompany=null, correspAuthors=Wei-zheng CHEN, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2025 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=1281326900945588661, articleId=1281326861871452194, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=基于数据驱动和机器学习的AUV外形优化设计, columnId=1241023038087549292, journalTitle=船舶力学, columnName=流体力学, runingTitle=null, highlight=null, articleAbstract=
自主水下航行器(AUV)的性能在很大程度上受其外形设计的影响。本文提出了一种AUV外形优化方法,通过集成数据驱动与机器学习技术,重点关注头部与尾部线型以及鳍舵布局对AUV性能的影响。本研究开发了一个参数化的水动力分析流程,用于自动生成优化过程中所需的水动力参数。我们基于此流程,构建了一个数据驱动框架,用于实现AUV外形的多目标优化,目标是最小化阻力并最大化机动性。针对这两个优化目标,本研究分别采用多层感知器(MLP)神经网络和集成学习方法构建了代理模型,并将它们的性能与传统代理模型进行了对比。优化问题通过非支配排序遗传算法求解。对比分析初始与优化后的AUV外形表明,其水动力性能显著提升,从而证实了所提方法的可行性与有效性。
, authors=李云天
1, 2, 陈伟政
1, 海青
1, 陈炜烨
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Workflow of hydrodynamic analysis, figureFileSmall=axNaOlf84aGwWG7YmB1/JQ==, figureFileBig=Xias9E6wN5YaVC9K8CuGlQ==, tableContent=null), ArticleFig(id=1281326903726412254, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=图1, caption=
水动力分析流程, figureFileSmall=axNaOlf84aGwWG7YmB1/JQ==, figureFileBig=Xias9E6wN5YaVC9K8CuGlQ==, tableContent=null), ArticleFig(id=1281326904007430623, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Fig.2, caption=
Parameter definitions of AUV, figureFileSmall=P3LaDTMdJxXAoQm4rDRN1A==, figureFileBig=hr02zB1K+30Hb7RWmK5xzA==, tableContent=null), ArticleFig(id=1281326904082928096, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=图2, caption=
AUV外形参数定义, figureFileSmall=P3LaDTMdJxXAoQm4rDRN1A==, figureFileBig=hr02zB1K+30Hb7RWmK5xzA==, tableContent=null), ArticleFig(id=1281326904187785697, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Fig.3, caption=
Computational domain of AUV, figureFileSmall=pRuCDK+5uAZ9rhEnzaInSg==, figureFileBig=EplQIOdkTHNElyadWfib7A==, tableContent=null), ArticleFig(id=1281326904263283170, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=图3, caption=
AUV计算域, figureFileSmall=pRuCDK+5uAZ9rhEnzaInSg==, figureFileBig=EplQIOdkTHNElyadWfib7A==, tableContent=null), ArticleFig(id=1281326904351363555, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Fig.4, caption=
Automatically generated unstructured mesh for the AUV, figureFileSmall=JQX+s2R+Wr6vTdlqzC6p1A==, figureFileBig=UVSII+PhD5uBKibUYfxIVg==, tableContent=null), ArticleFig(id=1281326904439443940, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=图4, caption=
自动生成的非结构化网格, figureFileSmall=JQX+s2R+Wr6vTdlqzC6p1A==, figureFileBig=UVSII+PhD5uBKibUYfxIVg==, tableContent=null), ArticleFig(id=1281326904502358501, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Fig.5, caption=
Values of $ {{{y}}^ + } $
under a total number of 3.01 million cells, figureFileSmall=uwHegckQh49ZrsiVMSJtwg==, figureFileBig=ikL03ULiqf9qg6eRQjzTew==, tableContent=null), ArticleFig(id=1281326904565273062, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=图5, caption=
301万网格下的$ {{{y}}^ + } $
值, figureFileSmall=uwHegckQh49ZrsiVMSJtwg==, figureFileBig=ikL03ULiqf9qg6eRQjzTew==, tableContent=null), ArticleFig(id=1281326904653353447, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Fig.6, caption=
Data-driven framework for AUV hydrodynamic shape design, figureFileSmall=2qpI0666OB2ea/1BGOUAIw==, figureFileBig=f8MgU+bre0XOzwxKuIGbSg==, tableContent=null), ArticleFig(id=1281326904724656616, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=图6, caption=
AUV外形设计的数据驱动框架, figureFileSmall=2qpI0666OB2ea/1BGOUAIw==, figureFileBig=f8MgU+bre0XOzwxKuIGbSg==, tableContent=null), ArticleFig(id=1281326904800154089, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Fig.7, caption=
Platform of data collection, figureFileSmall=Bj3W8V/FLRNwTzyiqDLWPw==, figureFileBig=Qu9fQ/47UcniN1RDGvloaw==, tableContent=null), ArticleFig(id=1281326904879845866, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=图7, caption=
数据收集平台, figureFileSmall=Bj3W8V/FLRNwTzyiqDLWPw==, figureFileBig=Qu9fQ/47UcniN1RDGvloaw==, tableContent=null), ArticleFig(id=1281326904951149035, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Fig.8, caption=
Distribution of new data points, figureFileSmall=yyYv7gOIFPp6LBSjbG2myA==, figureFileBig=J1UM6LmoSukABz5qZaTANw==, tableContent=null), ArticleFig(id=1281326905026646508, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=图8, caption=
新样本点的空间分布, figureFileSmall=yyYv7gOIFPp6LBSjbG2myA==, figureFileBig=J1UM6LmoSukABz5qZaTANw==, tableContent=null), ArticleFig(id=1281326905118921197, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Fig.9, caption=
Comparison between actual and predicted value, figureFileSmall=RH9r+cm7NJYcLzUMJwuU/g==, figureFileBig=Au3l77I5VtFjTtpWDy2aBQ==, tableContent=null), ArticleFig(id=1281326905190224366, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=图9, caption=
实际值与预测值对比图, figureFileSmall=RH9r+cm7NJYcLzUMJwuU/g==, figureFileBig=Au3l77I5VtFjTtpWDy2aBQ==, tableContent=null), ArticleFig(id=1281326905261527535, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Fig.10, caption=
Histogram of error distribution, figureFileSmall=3hT7vwJAT2Gsyk4W9T923Q==, figureFileBig=otwn115F+OuQIRKUvedRpg==, tableContent=null), ArticleFig(id=1281326905337025008, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=图10, caption=
误差分布直方图, figureFileSmall=3hT7vwJAT2Gsyk4W9T923Q==, figureFileBig=otwn115F+OuQIRKUvedRpg==, tableContent=null), ArticleFig(id=1281326905433494001, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Fig.11, caption=
Diagram of sensitivity analysis, figureFileSmall=4eiRHdUxHNz3ppsf0OvcAA==, figureFileBig=IrvJVOhJXtbIiemp8EK+FQ==, tableContent=null), ArticleFig(id=1281326905513185778, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=图11, caption=
灵敏度分析图, figureFileSmall=4eiRHdUxHNz3ppsf0OvcAA==, figureFileBig=IrvJVOhJXtbIiemp8EK+FQ==, tableContent=null), ArticleFig(id=1281326905592877555, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Fig.12, caption=
Multi-objective optimization results, figureFileSmall=6/XljW50ZLb0xNfxeh0+Cg==, figureFileBig=6jeVH/c1+gWF0pc7fwc6Pg==, tableContent=null), ArticleFig(id=1281326905655792116, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=图12, caption=
多目标优化结果, figureFileSmall=6/XljW50ZLb0xNfxeh0+Cg==, figureFileBig=6jeVH/c1+gWF0pc7fwc6Pg==, tableContent=null), ArticleFig(id=1281326905731289589, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Fig.13, caption=
Comparison of AUV models before and after optimization, figureFileSmall=cJzPIGYJvhX6RC7jNuzz3g==, figureFileBig=Yln97uEGgHBqJ0fhh6oV5A==, tableContent=null), ArticleFig(id=1281326905802592758, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=图13, caption=
优化前后AUV模型对比, figureFileSmall=cJzPIGYJvhX6RC7jNuzz3g==, figureFileBig=Yln97uEGgHBqJ0fhh6oV5A==, tableContent=null), ArticleFig(id=1281326905911644663, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Tab.1, caption=
Design variables of AUV
, figureFileSmall=null, figureFileBig=null, tableContent=
| 设计变量名称 | 符号/单位 | 设计变量名称 | 符号/单位 |
|---|
| 头部线型可调参数 | $ q{h_1},q{h_2} $ | 根弦长 | ${b_0}/{\text{m}}$ |
| 尾部线型可调参数 | $ q{t_1},q{t_2} $ | 梢弦长 | ${b_1}/{\text{m}}$ |
| 鳍舵总展长 | $ a/{\text{m}} $ | 舵后缘距尾端面距离 | ${b_{\text{s}}}/{\text{m}}$ |
), ArticleFig(id=1281326906003919352, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=表1, caption=
AUV设计变量
, figureFileSmall=null, figureFileBig=null, tableContent=
| 设计变量名称 | 符号/单位 | 设计变量名称 | 符号/单位 |
|---|
| 头部线型可调参数 | $ q{h_1},q{h_2} $ | 根弦长 | ${b_0}/{\text{m}}$ |
| 尾部线型可调参数 | $ q{t_1},q{t_2} $ | 梢弦长 | ${b_1}/{\text{m}}$ |
| 鳍舵总展长 | $ a/{\text{m}} $ | 舵后缘距尾端面距离 | ${b_{\text{s}}}/{\text{m}}$ |
), ArticleFig(id=1281326906071028217, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Tab.2, caption=
Comparison under different total grid number
, figureFileSmall=null, figureFileBig=null, tableContent=
| 网格数 | $ {{{y}}^ + } $ | $ {C_{xS}} $ |
|---|
| 255万 | 60 | 0.10959 |
| 301万 | 55 | 0.10809 |
| 351万 | 50 | 0.10794 |
| 401万 | 50 | 0.10786 |
| 511万 | 50 | 0.10765 |
), ArticleFig(id=1281326906163302906, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=表2, caption=
不同网格数$ {C_{xS}} $
和$ {{{y}}^ + } $
值比较
, figureFileSmall=null, figureFileBig=null, tableContent=
| 网格数 | $ {{{y}}^ + } $ | $ {C_{xS}} $ |
|---|
| 255万 | 60 | 0.10959 |
| 301万 | 55 | 0.10809 |
| 351万 | 50 | 0.10794 |
| 401万 | 50 | 0.10786 |
| 511万 | 50 | 0.10765 |
), ArticleFig(id=1281326906234606075, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Tab.3, caption=
Sample space of design variables
, figureFileSmall=null, figureFileBig=null, tableContent=
| 设计变量 | 取值范围 | 数据类型 | | 设计变量 | 取值范围 | 数据类型 |
|---|
| $q{h_1}$ | 1.0~10.0 | 实数 | | $a$ | 300.0~500.0 | 实数 |
| $q{h_2}$ | 0.0~20.0 | 实数 | | ${b_0}$ | 400.0~800.0 | 实数 |
| $q{t_1}$ | 3.0~11.0 | 实数 | | ${b_1}$ | 200.0~600.0 | 实数 |
| $q{t_2}$ | 3.0~11.0 | 实数 | | ${b_{\mathrm{s}}}$ | 90.0~300.0 | 实数 |
), ArticleFig(id=1281326906343657980, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=表3, caption=
设计变量的样本空间
, figureFileSmall=null, figureFileBig=null, tableContent=
| 设计变量 | 取值范围 | 数据类型 | | 设计变量 | 取值范围 | 数据类型 |
|---|
| $q{h_1}$ | 1.0~10.0 | 实数 | | $a$ | 300.0~500.0 | 实数 |
| $q{h_2}$ | 0.0~20.0 | 实数 | | ${b_0}$ | 400.0~800.0 | 实数 |
| $q{t_1}$ | 3.0~11.0 | 实数 | | ${b_1}$ | 200.0~600.0 | 实数 |
| $q{t_2}$ | 3.0~11.0 | 实数 | | ${b_{\mathrm{s}}}$ | 90.0~300.0 | 实数 |
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Comparison of predictive performance of various surrogate models
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| 代理模型 | 最大预测误差 | $ {R^2} $ |
|---|
| Kriging model | 0.01205 | 0.4855 |
| RSM | 0.03090 | 0.8221 |
| RBF | 0.04075 | 0.7701 |
| MLP | 0.0095 | 0.9490 |
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不同代理模型的预测性能比较
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| 代理模型 | 最大预测误差 | $ {R^2} $ |
|---|
| Kriging model | 0.01205 | 0.4855 |
| RSM | 0.03090 | 0.8221 |
| RBF | 0.04075 | 0.7701 |
| MLP | 0.0095 | 0.9490 |
), ArticleFig(id=1281326906662425087, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Tab.5, caption=
Performance comparison between ensemble and individual models
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| 预测模型 | MSE | $ {R^2} $ |
|---|
| 随机森林 | 13.2538 | 0.5323 |
| SVR | 16.7816 | 0.4079 |
| 弹性网络 | 9.6141 | 0.6608 |
| 集成学习方法 | 10.8970 | 0.7155 |
), ArticleFig(id=1281326906746311168, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=表5, caption=
集成模型与单个模型的性能比较
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| 预测模型 | MSE | $ {R^2} $ |
|---|
| 随机森林 | 13.2538 | 0.5323 |
| SVR | 16.7816 | 0.4079 |
| 弹性网络 | 9.6141 | 0.6608 |
| 集成学习方法 | 10.8970 | 0.7155 |
), ArticleFig(id=1281326906935054849, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=EN, label=Tab.6, caption=
Performance comparison between ensemble method and individual models
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| 变量名 | $q{h_1}$ | $q{h_2}$ | $q{t_1}$ | $q{t_2}$ | $a$ | ${b_0}$ | ${b_1}$ | ${b_{\mathrm{s}}}$ | ${C_{xS}}$ | $R$ |
|---|
| 初始值 | 2.0 | 8.0 | 3.0 | 3.0 | 338.5 | 400.0 | 320 | 90 | 0.1110 | 11.7056 |
| 优化后值 | 1.7 | 4.0 | 4.0 | 5.0 | 464.1 | 533.8 | 397.1 | 141.7 | 0.1059 | 10.6140 |
), ArticleFig(id=1281326907018940930, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326861871452194, language=CN, label=表6, caption=
集成模型与单个模型的性能比较
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| 变量名 | $q{h_1}$ | $q{h_2}$ | $q{t_1}$ | $q{t_2}$ | $a$ | ${b_0}$ | ${b_1}$ | ${b_{\mathrm{s}}}$ | ${C_{xS}}$ | $R$ |
|---|
| 初始值 | 2.0 | 8.0 | 3.0 | 3.0 | 338.5 | 400.0 | 320 | 90 | 0.1110 | 11.7056 |
| 优化后值 | 1.7 | 4.0 | 4.0 | 5.0 | 464.1 | 533.8 | 397.1 | 141.7 | 0.1059 | 10.6140 |
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