Article(id=1281326804791181610, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326672238580175, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2026.01.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1748016000000, receivedDateStr=2025-05-24, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1783421716162, onlineDateStr=2026-07-07, pubDate=1768406400000, pubDateStr=2026-01-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783421716162, onlineIssueDateStr=2026-07-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783421716162, creator=13701087609, updateTime=1783421716162, updator=13701087609, issue=Issue{id=1281326672238580175, tenantId=1146029695717560320, journalId=1240685776644648972, year='2026', volume='30', issue='1', pageStart='1', pageEnd='176', issueExtLink='null', onlineDate='null', pubDate='1768406400000', pubDateStr='2026-01-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783421684559, creator='13701087609', updateTime=1783422118948, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1281328494261026863, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326672238580175, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1281328494261026864, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1281326672238580175, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=69, endPage=77, ext={EN=ArticleExt(id=1281326806674424107, articleId=1281326804791181610, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Time-history deep learning for flow probes arrangement, columnId=1241023037940748650, journalTitle=Journal of Ship Mechanics, columnName=Hydrodynamics, runingTitle=null, highlight=null, articleAbstract=
In flow experiments, it is often necessary to measure the flow time history at several locations. However, the number of sensors in the experiment is limited by sensor size and their interference with flow. By optimizing sensor placement, the testing efficiency and accuracy can be improved with more significant time-varying features being captured. Using a time history deep learning method, the study carries out the dimensionality reduction and clustering on the flows of the time-varying features, obtaining distribution of measurement points distributions with similar features. This provides a basis for optimal sensor placement. As an example, the low Reynolds number flow around a square and a circular cylinder was studied respectively. Firstly, dimensionality reduction and feature reconstruction was performed on the flow's time-varying big data. Next, clustering analysis was applied to the low-dimensional latent code, followed by feature judgment across different flow regions, yielding the optimal sensor arrangement for the physical quantities to be measured. The results show that the method in this paper obtains a more refined layout of sensors compared with traditional empirical approaches, providing a useful reference for flow experiments.
, authors=Qing-liang ZHAN
1, 2, Zhi-yong WANG
1, Yang CHAO
1, Dong-ming BAO
1, Xian-nian SUN
1, authorsList=Qing-liang ZHAN, Zhi-yong WANG, Yang CHAO, Dong-ming BAO, Xian-nian SUN, authorCompany=null, correspAuthors=Qing-liang ZHAN, 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=1281326808947736900, articleId=1281326804791181610, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=流场测点位置选择的时程深度学习方法, columnId=1241023038087549292, journalTitle=船舶力学, columnName=流体力学, runingTitle=null, highlight=null, articleAbstract=
流场实验时往往需要测量某些位置处的流场时程,但传感器的布设数量通常受传感器大小和对流场的干扰程度等因素的限制。通过在合理的位置布设传感器,可以提高流场实验的测量效率和精度,并捕捉到流场中重要的时变特征。本文基于时程深度学习方法,对流场测点处的时变特征进行降维与聚类,得到具有相似时变特征的流场测点分布,为流场测点布设位置的选择提供依据。以低雷诺数的方柱和圆柱绕流场为例,首先对流场时程大数据进行特征重构与降维,然后对低维表征编码进行聚类分析,进一步对不同类别的流动区域开展特征判断,最终确定待测物理量的最优测点分布区域。结果表明,本文方法提供了比传统经验更精细的测点布置方案,可为流场实验中的测点布设提供参考。
, authors=战庆亮
1, 2, 王智勇
1, 晁阳
1, 包东明
1, 孙先念
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Journal of Fluid Mechanics, 1994, 270: 277‒296., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1281326809199395141, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, xref=1., ext=[AuthorCompanyExt(id=1281326809224560966, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, companyId=1281326809199395141, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Arrangement of sampling positions, figureFileSmall=V6VQm3Bm8qFfUFYy5ByFkw==, figureFileBig=YkU7HzqzR27eKtEgTXAHqA==, tableContent=null), ArticleFig(id=1281326813217538418, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=CN, label=图1, caption=
测点布设位置示意图, figureFileSmall=V6VQm3Bm8qFfUFYy5ByFkw==, figureFileBig=YkU7HzqzR27eKtEgTXAHqA==, tableContent=null), ArticleFig(id=1281326813376921971, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=EN, label=Fig.2, caption=
Time history at 6 sampling positions, figureFileSmall=ni4E7yFoUVH0svDjnxg9Sg==, figureFileBig=X3PldtZ4nYu1H+q3DgVmrQ==, tableContent=null), ArticleFig(id=1281326813448225140, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=CN, label=图2, caption=
6个测点处的时程, figureFileSmall=ni4E7yFoUVH0svDjnxg9Sg==, figureFileBig=X3PldtZ4nYu1H+q3DgVmrQ==, tableContent=null), ArticleFig(id=1281326813506945397, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=EN, label=Fig.3, caption=
Model architecture, figureFileSmall=a6SJGXCkhZuQ+xOwV+z6Nw==, figureFileBig=xr8dwv/Ega2zlwi9txw6QQ==, tableContent=null), ArticleFig(id=1281326813574054262, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=CN, label=图3, caption=
模型原理示意图, figureFileSmall=a6SJGXCkhZuQ+xOwV+z6Nw==, figureFileBig=xr8dwv/Ega2zlwi9txw6QQ==, tableContent=null), ArticleFig(id=1281326813645357431, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=EN, label=Fig.4, caption=
Loss of model training, figureFileSmall=gj2vA7mdrKdOGAZ3te1XRg==, figureFileBig=iD/aP5LNFzAcmsziUlVr7g==, tableContent=null), ArticleFig(id=1281326813716660600, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=CN, label=图4, caption=
模型训练的损失值, figureFileSmall=gj2vA7mdrKdOGAZ3te1XRg==, figureFileBig=iD/aP5LNFzAcmsziUlVr7g==, tableContent=null), ArticleFig(id=1281326813787963769, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=EN, label=Fig.5, caption=
Reconstruction results of flow time history, figureFileSmall=xz0Oc64QE6PyzWZ0vuF6ng==, figureFileBig=o+I5GIopVAzji2Vgw0Quvw==, tableContent=null), ArticleFig(id=1281326813850878330, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=CN, label=图5, caption=
流场时程的重构结果, figureFileSmall=xz0Oc64QE6PyzWZ0vuF6ng==, figureFileBig=o+I5GIopVAzji2Vgw0Quvw==, tableContent=null), ArticleFig(id=1281326813926375803, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=EN, label=Fig.6, caption=
Scatter of relative reconstruction error, figureFileSmall=fnIIFHgvax3udJuyDU384Q==, figureFileBig=YFVrAjkuPK1wLbREB/dw5g==, tableContent=null), ArticleFig(id=1281326815545377148, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=CN, label=图6, caption=
相对误差散点图, figureFileSmall=fnIIFHgvax3udJuyDU384Q==, figureFileBig=YFVrAjkuPK1wLbREB/dw5g==, tableContent=null), ArticleFig(id=1281326815616680317, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=EN, label=Fig.7, caption=
Feature clustering methodology, figureFileSmall=Gnf8F40s2JQdGaOHBbZw/Q==, figureFileBig=VyUOGMw7tv7pHkKQGeRr0w==, tableContent=null), ArticleFig(id=1281326815679594878, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=CN, label=图7, caption=
特征分类原理示意图, figureFileSmall=Gnf8F40s2JQdGaOHBbZw/Q==, figureFileBig=VyUOGMw7tv7pHkKQGeRr0w==, tableContent=null), ArticleFig(id=1281326817613169024, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=EN, label=Fig.8, caption=
Results of feature clustering, figureFileSmall=YyoaZjSFt+7i26apW2bO2A==, figureFileBig=NK0/0WLLODDJbcSnIr7tzA==, tableContent=null), ArticleFig(id=1281326817718026625, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=CN, label=图8, caption=
特征聚类结果, figureFileSmall=YyoaZjSFt+7i26apW2bO2A==, figureFileBig=NK0/0WLLODDJbcSnIr7tzA==, tableContent=null), ArticleFig(id=1281326817789329794, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=EN, label=Fig.9, caption=
Distribution of samples located in different domains of feature clustering, figureFileSmall=x6h8gFiz+MA1gmYCaglCag==, figureFileBig=bVLsjhByueBafI4+E3rSSQ==, tableContent=null), ArticleFig(id=1281326817869021571, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=CN, label=图9, caption=
各特征聚类区域的样本情况, figureFileSmall=x6h8gFiz+MA1gmYCaglCag==, figureFileBig=bVLsjhByueBafI4+E3rSSQ==, tableContent=null), ArticleFig(id=1281326817940324740, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=EN, label=Fig.10, caption=
Selected domain with larger speed fluctuations according to Table 1, figureFileSmall=GHVtzmTniOFzIXu2jgmEGQ==, figureFileBig=me/2MGHbRuqvd1pSi9Y6yg==, tableContent=null), ArticleFig(id=1281326818024210821, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=CN, label=图10, caption=
速度脉动较大的特征选择结果, figureFileSmall=GHVtzmTniOFzIXu2jgmEGQ==, figureFileBig=me/2MGHbRuqvd1pSi9Y6yg==, tableContent=null), ArticleFig(id=1281326818116485510, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=EN, label=Fig.11, caption=
Results of circular cylinder, figureFileSmall=kgIoHEZnnD7cK9hIYcBrYQ==, figureFileBig=byZi4rrV0yv72Y/D6yg9Vw==, tableContent=null), ArticleFig(id=1281326818187788679, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=CN, label=图11, caption=
圆柱绕流结果, figureFileSmall=kgIoHEZnnD7cK9hIYcBrYQ==, figureFileBig=byZi4rrV0yv72Y/D6yg9Vw==, tableContent=null), ArticleFig(id=1281326818275869064, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=EN, label=Tab.1, caption=
Sample statistics of different clustering regions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别编号 | u平均值 | u标准差 | v平均值 | v标准差 |
|---|
| 第1类 | 1.0144 | 0.0575 | −0.0007 | 0.0488 |
| 第2类 | 1.1219 | 0.0258 | −0.1441 | 0.0322 |
| 第3类 | 0.0386 | 0.0790 | 0.1399 | 0.0339 |
| 第4类 | 0.4263 | 0.1462 | 0.0040 | 0.2622 |
| 第5类 | 0.6842 | 0.1135 | −0.0019 | 0.2463 |
| 第6类 | 0.8526 | 0.1092 | 0.0006 | 0.3072 |
| 第7类 | 0.8557 | 0.1626 | 0.0004 | 0.2358 |
), ArticleFig(id=1281326818347172233, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=CN, label=表1, caption=
不同分类区域的样本统计结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别编号 | u平均值 | u标准差 | v平均值 | v标准差 |
|---|
| 第1类 | 1.0144 | 0.0575 | −0.0007 | 0.0488 |
| 第2类 | 1.1219 | 0.0258 | −0.1441 | 0.0322 |
| 第3类 | 0.0386 | 0.0790 | 0.1399 | 0.0339 |
| 第4类 | 0.4263 | 0.1462 | 0.0040 | 0.2622 |
| 第5类 | 0.6842 | 0.1135 | −0.0019 | 0.2463 |
| 第6类 | 0.8526 | 0.1092 | 0.0006 | 0.3072 |
| 第7类 | 0.8557 | 0.1626 | 0.0004 | 0.2358 |
), ArticleFig(id=1281326818426864010, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=EN, label=Tab.2, caption=
Comparison of locations of measurement points in different experiments
, figureFileSmall=null, figureFileBig=null, tableContent=
| 文献 | 研究对象 | x | y |
|---|
| 本文 | 方柱 | >1.53D | <2D |
| 实验[18] | 方柱 | 2D | 0.5D |
| 实验[19] | 方柱 | 2.7D | 0.25D |
| 实验[20] | 圆柱 | 2D ~ 30D | 0.5D ~ 1.75D |
| 实验[10] | 圆柱 | 7.3D | 0.7D |
), ArticleFig(id=1281326820020699531, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1281326804791181610, language=CN, label=表2, caption=
不同实验中的测点布置位置统计
, figureFileSmall=null, figureFileBig=null, tableContent=
| 文献 | 研究对象 | x | y |
|---|
| 本文 | 方柱 | >1.53D | <2D |
| 实验[18] | 方柱 | 2D | 0.5D |
| 实验[19] | 方柱 | 2.7D | 0.25D |
| 实验[20] | 圆柱 | 2D ~ 30D | 0.5D ~ 1.75D |
| 实验[10] | 圆柱 | 7.3D | 0.7D |
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