Article(id=1281203338985312366, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281203336514867310, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2026.04.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1754582400000, receivedDateStr=2025-08-08, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1783392279620, onlineDateStr=2026-07-07, pubDate=1776182400000, pubDateStr=2026-04-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783392279620, onlineIssueDateStr=2026-07-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783392279620, creator=13041195026, updateTime=1783392279620, 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=568, endPage=581, ext={EN=ArticleExt(id=1281203340646256751, articleId=1281203338985312366, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=A novel POD-DMD method for flow field reconstruction of trimaran in waves, columnId=1241023037940748650, journalTitle=Journal of Ship Mechanics, columnName=Hydrodynamics, runingTitle=null, highlight=null, articleAbstract=
Reduced-order models (ROMs) offer an effective means to extract the dominant features of flow fields while significantly reducing computational resources, which provides an important means for the analysis and interpretation of nonlinear complex flow field information. Although ROMs have been widely applied to reconstruct fields of steady-state flows with different geometries or transient flows with one geometry, the study on reconstructing transient flow fields with different geometries remains limited. In this study, a novel flow field reconstruction method combining Proper Orthogonal Decomposition (POD) and Dynamic Mode Decomposition (DMD) is proposed, and then applied to reconstruct the wave field of a trimaran under different side hull layouts at a wave length equal to the ship length. The results indicate that the reconstructed flow fields exhibit lower errors compared with the original flow fields by high-fidelity simulation, which validates the reasonableness and feasibility of the proposed method, laying a solid foundation for subsequent studies on flow field prediction and optimization for hull forms.
, authors=Xin-wang LIU
1, Xu SUN
1, Xiao-hang JI
1, Lei YUAN
1, Bao-ying MU
2, Yu-chuan WANG
2, Lei LIU
2, Li-xin LU
2, authorsList=Xin-wang LIU, Xu SUN, Xiao-hang JI, Lei YUAN, Bao-ying MU, Yu-chuan WANG, Lei LIU, Li-xin LU, authorCompany=null, correspAuthors=Bao-ying MU, 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=1281203406266143051, articleId=1281203338985312366, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=基于POD-DMD的三体船在波浪中运动流场重构方法研究, columnId=1241023038087549292, journalTitle=船舶力学, columnName=流体力学, runingTitle=null, highlight=null, articleAbstract=
降阶模型在降低计算资源消耗的同时,能够有效提取复杂流动的主要特征,为非线性复杂流场信息的分析与解释提供了重要手段。虽然降阶模型已广泛应用于复杂流场的重构中,但基本针对不同几何形状下的稳态流场或针对同一几何形状下的瞬态流场开展研究,而针对不同形状下瞬态流场重构方法的研究较少。因此,本文提出了一种结合本征正交分解(POD)方法与动态模态分解(DMD)方法的流场降阶与重构方法,并将该方法应用于在船长与波长相等时不同侧体布局下三体船的波浪场重构问题中。结果表明,与高精度数值模拟计算所得的原始流场相比,重构流场的误差较小,整体重构效果理想,验证了所提出方法的合理性与可行性,可为后续的船舶流场预测与优化设计等研究奠定坚实基础。
, authors=刘鑫旺
1, 孙旭
1, 姬小航
1, 袁垒
1, 母宝颖
2, 王宇川
2, 刘垒
2, 卢立鑫
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243: 110239., articleTitle=Multi-fidelity Co-Kriging surrogate model for ship hull form optimization, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1281203407486685516, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, xref=1., ext=[AuthorCompanyExt(id=1281203407503462733, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, companyId=1281203407486685516, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.哈尔滨工程大学 数学科学学院,哈尔滨 150001)]), AuthorCompany(id=1281203409038578000, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, xref=2., ext=[AuthorCompanyExt(id=1281203409055355217, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, companyId=1281203409038578000, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.China Waterborne Transport Research Institute, Beijing 100088, China), AuthorCompanyExt(id=1281203409088909650, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, companyId=1281203409038578000, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.交通运输部水运科学研究院,北京 100088)])], figs=[ArticleFig(id=1281203429569696134, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Fig.1, caption=
The flowchart of flow field reconstruction based on POD-DMD method, figureFileSmall=UsKoZTCIymjWfVHrhZSJ5g==, figureFileBig=62Chd89knAMjlnmr7SOcuA==, tableContent=null), ArticleFig(id=1281203431289360775, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=CN, label=图1, caption=
基于POD-DMD方法的流场重构流程图, figureFileSmall=UsKoZTCIymjWfVHrhZSJ5g==, figureFileBig=62Chd89knAMjlnmr7SOcuA==, tableContent=null), ArticleFig(id=1281203433965326729, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Fig.2, caption=
Geometric model of the Wigley trimaran, figureFileSmall=+mSX90X4se3qp01ZGlpCAw==, figureFileBig=j9/U8EWUU9Dhm34jbTse5g==, tableContent=null), ArticleFig(id=1281203435647242634, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=CN, label=图2, caption=
Wigley三体船的几何模型, figureFileSmall=+mSX90X4se3qp01ZGlpCAw==, figureFileBig=j9/U8EWUU9Dhm34jbTse5g==, tableContent=null), ArticleFig(id=1281203435844374923, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Fig.3, caption=
Diagram of design variables, figureFileSmall=/7yFHxFQH+IiTTpTSIn9Jg==, figureFileBig=+VtDtgHP3z8B1FXa/7iJ+g==, tableContent=null), ArticleFig(id=1281203436083450252, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=CN, label=图3, caption=
设计变量示意图, figureFileSmall=/7yFHxFQH+IiTTpTSIn9Jg==, figureFileBig=+VtDtgHP3z8B1FXa/7iJ+g==, tableContent=null), ArticleFig(id=1281203436326719885, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Fig.4, caption=
Wave field based on viscous flow CFD, figureFileSmall=RnTwn/M4NcS+f37zNXHy/A==, figureFileBig=5ncFsaAo+SJj8k8noxFYyA==, tableContent=null), ArticleFig(id=1281203436532240782, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=CN, label=图4, caption=
基于粘流CFD的波浪场计算结果, figureFileSmall=RnTwn/M4NcS+f37zNXHy/A==, figureFileBig=5ncFsaAo+SJj8k8noxFYyA==, tableContent=null), ArticleFig(id=1281203436632904079, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Fig.5, caption=
Overall process scheme based on POD-DMD method, figureFileSmall=YC1ZNMFlcJ2VfIRtkveO1A==, figureFileBig=gpO/c0PSki00wJxwAEU10A==, tableContent=null), ArticleFig(id=1281203436788093328, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=CN, label=图5, caption=
基于POD-DMD方法的总体流程方案, figureFileSmall=YC1ZNMFlcJ2VfIRtkveO1A==, figureFileBig=gpO/c0PSki00wJxwAEU10A==, tableContent=null), ArticleFig(id=1281203436901339537, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Fig.6, caption=
Change curve with mode of the singular value and energy proportion, figureFileSmall=zncTVpMoPTu8TFjtFD1j2A==, figureFileBig=6YsCoDvlhP4IR9NLcde7HQ==, tableContent=null), ArticleFig(id=1281203436981031314, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=CN, label=图6, caption=
奇异值与总能量占比随模态变化曲线, figureFileSmall=zncTVpMoPTu8TFjtFD1j2A==, figureFileBig=6YsCoDvlhP4IR9NLcde7HQ==, tableContent=null), ArticleFig(id=1281203437173969299, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Fig.7, caption=
Basis modes based on POD, figureFileSmall=om3CQzwTAi/BUzrHCKys9g==, figureFileBig=BRbxAOsLmKj8396Wrj9xUw==, tableContent=null), ArticleFig(id=1281203437341741460, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=CN, label=图7, caption=
基于POD得到的部分基模态, figureFileSmall=om3CQzwTAi/BUzrHCKys9g==, figureFileBig=BRbxAOsLmKj8396Wrj9xUw==, tableContent=null), ArticleFig(id=1281203437429821845, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Fig.8, caption=
Reconstruction results of wave field based on POD-DMD, figureFileSmall=rmpOL3oNMSIz02tOaVViPA==, figureFileBig=uhwvKOTC8+ZwS6VRCNErHg==, tableContent=null), ArticleFig(id=1281203437727617431, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=CN, label=图8, caption=
基于POD-DMD得到的波浪场重构结果, figureFileSmall=rmpOL3oNMSIz02tOaVViPA==, figureFileBig=uhwvKOTC8+ZwS6VRCNErHg==, tableContent=null), ArticleFig(id=1281203438075744664, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Fig.9, caption=
Transfer matrix cloud image of a certain trimaran ($ a=-0.110,b=0.138 $
), figureFileSmall=EdZgLvG/5ceRg/sJQrS9PA==, figureFileBig=fz+eiT5cvd4dvAotn1F+wg==, tableContent=null), ArticleFig(id=1281203438193185177, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=CN, label=图9, caption=
某一船型($ a=-0.110,b=0.138 $
)下的传递矩阵云图, figureFileSmall=EdZgLvG/5ceRg/sJQrS9PA==, figureFileBig=fz+eiT5cvd4dvAotn1F+wg==, tableContent=null), ArticleFig(id=1281203438394511770, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Fig.10, caption=
Reconstruction error of wave field based on POD-DMD, figureFileSmall=fIvWh6dU7Afqi09SfUMhsA==, figureFileBig=4ZTP32QchFlq5+eIYPze5w==, tableContent=null), ArticleFig(id=1281203440202256795, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=CN, label=图10, caption=
基于POD-DMD 得到的波浪场重构误差, figureFileSmall=fIvWh6dU7Afqi09SfUMhsA==, figureFileBig=4ZTP32QchFlq5+eIYPze5w==, tableContent=null), ArticleFig(id=1281203440487469468, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Fig.11, caption=
Slice position diagram of flow field, figureFileSmall=UBk7uXlKiCsxy7z0jaDAnA==, figureFileBig=2pc4P1sG2BDOQULAYYDaAQ==, tableContent=null), ArticleFig(id=1281203440634270110, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=CN, label=图11, caption=
流场切片位置示意图, figureFileSmall=UBk7uXlKiCsxy7z0jaDAnA==, figureFileBig=2pc4P1sG2BDOQULAYYDaAQ==, tableContent=null), ArticleFig(id=1281203441083060639, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Fig.12, caption=
Reconstruction results of wave field based on POD-DMD at y = 0.25 m and y = 0.45 m, figureFileSmall=xuv7uGkQMDItAZb4f46mEA==, figureFileBig=pkJPrSeqMKsdLaq2Z381ug==, tableContent=null), ArticleFig(id=1281203441498296736, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=CN, label=图12, caption=
基于POD-DMD得到y = 0.25 m以及y = 0.45 m处的波浪场重构, figureFileSmall=xuv7uGkQMDItAZb4f46mEA==, figureFileBig=pkJPrSeqMKsdLaq2Z381ug==, tableContent=null), ArticleFig(id=1281203441796092321, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Tab.1, caption=
The parameters of the Wigley trimaran model's main body
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| 参数 | 符号/单位 | 数值 | | 参数 | 符号/单位 | 数值 |
|---|
| 垂线间长 | $ L/\text{m} $ | 4 | | 型深 | $ D/\text{m} $ | 0.41 |
| 最大船宽 | $ B/\text{m} $ | 0.4 | | 排水体积 | $ \nabla /{\text{m}}^{3} $ | 0.089 |
| 吃水 | $ T/\text{m} $ | 0.25 | | 湿表面积 | $ {S}_{{\mathrm{W}}}/{\text{m}}^{2} $ | 1.189 |
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Wigley三体船模型主体的参数
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| 参数 | 符号/单位 | 数值 | | 参数 | 符号/单位 | 数值 |
|---|
| 垂线间长 | $ L/\text{m} $ | 4 | | 型深 | $ D/\text{m} $ | 0.41 |
| 最大船宽 | $ B/\text{m} $ | 0.4 | | 排水体积 | $ \nabla /{\text{m}}^{3} $ | 0.089 |
| 吃水 | $ T/\text{m} $ | 0.25 | | 湿表面积 | $ {S}_{{\mathrm{W}}}/{\text{m}}^{2} $ | 1.189 |
), ArticleFig(id=1281203442303603107, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Tab.2, caption=
Design variables and their ranges
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| 设计变量 | 下界 | 上界 | 备注 |
|---|
| a | −0.25 | 0.5 | 无因次化纵向间距 |
| b | 0.1 | 0.25 | 无因次化横向间距 |
), ArticleFig(id=1281203442437820836, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=CN, label=表2, caption=
设计变量及其范围
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| 设计变量 | 下界 | 上界 | 备注 |
|---|
| a | −0.25 | 0.5 | 无因次化纵向间距 |
| b | 0.1 | 0.25 | 无因次化横向间距 |
), ArticleFig(id=1281203442647536037, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=EN, label=Tab.3, caption=
The corresponding energy proportion of each mode
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模态K | E值 | | 模态K | E值 | | 模态K | E值 | | 模态K | E值 |
|---|
| 1 | 0.290 | | 7 | 0.806 | | 13 | 0.897 | | 19 | 0.940 |
| 2 | 0.557 | | 8 | 0.827 | | 14 | 0.907 | | 20 | 0.946 |
| 3 | 0.649 | | 9 | 0.847 | | 15 | 0.915 | | 21 | 0.950 |
| 4 | 0.698 | | 10 | 0.862 | | 16 | 0.922 | | 22 | 0.954 |
| 5 | 0.740 | | 11 | 0.875 | | 17 | 0.929 | | … | … |
| 6 | 0.776 | | 12 | 0.887 | | 18 | 0.935 | | 60 | 1.000 |
), ArticleFig(id=1281203442802725286, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281203338985312366, language=CN, label=表3, caption=
各模态对应的能量占比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模态K | E值 | | 模态K | E值 | | 模态K | E值 | | 模态K | E值 |
|---|
| 1 | 0.290 | | 7 | 0.806 | | 13 | 0.897 | | 19 | 0.940 |
| 2 | 0.557 | | 8 | 0.827 | | 14 | 0.907 | | 20 | 0.946 |
| 3 | 0.649 | | 9 | 0.847 | | 15 | 0.915 | | 21 | 0.950 |
| 4 | 0.698 | | 10 | 0.862 | | 16 | 0.922 | | 22 | 0.954 |
| 5 | 0.740 | | 11 | 0.875 | | 17 | 0.929 | | … | … |
| 6 | 0.776 | | 12 | 0.887 | | 18 | 0.935 | | 60 | 1.000 |
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