Article(id=1324426344179827381, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1324426184037114137, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2026.08.007, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1772380800000, receivedDateStr=2026-03-02, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793697447103, onlineDateStr=2026-11-03, pubDate=1786723200000, pubDateStr=2026-08-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793697447103, onlineIssueDateStr=2026-11-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793697447103, creator=13701087609, updateTime=1793697447103, updator=13701087609, issue=Issue{id=1324426184037114137, tenantId=1146029695717560320, journalId=1240685776644648972, year='2026', volume='30', issue='8', pageStart='1221', pageEnd='1396', issueExtLink='null', onlineDate='null', pubDate='1786723200000', pubDateStr='2026-08-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793697408922, creator='13701087609', updateTime=1793697408922, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=1294, endPage=1307, ext={EN=ArticleExt(id=1324426344548926134, articleId=1324426344179827381, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Identification of hydrodynamic derivatives and motion prediction for ship maneuvering based on the elliptic blending turbulence model, columnId=1241023037940748650, journalTitle=Journal of Ship Mechanics, columnName=Hydrodynamics, runingTitle=null, highlight=null, articleAbstract=
To address the insufficient analytical accuracy of traditional turbulence models in simulating ship maneuvering flow characteristics, this study proposesd a hydrodynamic derivative identification method based on the Elliptic Blending (EB) turbulence model, aiming to improve the prediction accuracy of ship motion under complex maneuvering conditions. Taking the KCS ship as the object, the performance of the k-ε turbulence model, Shear Stress Transport (SST) k-ω turbulence model and EB turbulence model was compared in terms of flow stability and vortex-resolving capability. Based on the EB turbulence model, static drift and pure yaw simulations were conducted to identify hydrodynamic derivatives, which were then input into the MMG model to predict turning motions. The EB turbulence model significantly improves the resolution of flow with strong pressure gradients near the wall by reconstructing the Reynolds stress transport equations. It accurately captures the evolution of bilge vortex clusters and asymmetric stern vortices in static drift conditions. In pure yaw motion, it effectively represents the dynamic coupling between vortex intensity and free-surface fluctuations. For the 35° rudder angle turning prediction, the average deviations of tactical diameter and steady turning diameter are only 3.34% and 1.55%, respectively, representing a maximum accuracy improvement of over 30% compared to the k-ε turbulence model. The EB turbulence model demonstrates high fidelity in simulating ship maneuvering flow characteristics, enables accurate identification of hydrodynamic derivatives, provides reliable prediction of maneuvering motions, and offers a reliable tool for the safety assessment of actual ship navigation.
, authors=Ming-tao DUAN, Yang BAI, Hai-jue XU, Jun-zheng LIU, Meng-chun QIN, authorsList=Ming-tao DUAN, Yang BAI, Hai-jue XU, Jun-zheng LIU, Meng-chun QIN, authorCompany=null, correspAuthors=null, 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=1324426425289290235, articleId=1324426344179827381, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=基于椭圆混合湍流模型的船舶操纵水动力导数识别及运动预报, columnId=1241023038087549292, journalTitle=船舶力学, columnName=流体力学, runingTitle=null, highlight=null, articleAbstract=
针对传统湍流模型在船舶操纵运动粘性流场中解析精度不足的问题,本文提出基于椭圆混合(Elliptic Blending,EB)湍流模型的水动力导数识别方法,以提升复杂操纵工况下船舶运动预报精度。以KCS船为对象,对比k-ε湍流模型、剪切应力输运(Shear Stress Transport,SST) k-ω湍流模型及EB湍流模型在流动稳定性与涡解析能力上的性能。基于EB湍流模型开展斜拖和纯艏摇仿真,识别水动力导数并输入MMG模型预报回转运动。EB湍流模型通过重构雷诺应力输运方程,显著提升近壁区强压力梯度流动解析能力:斜拖运动下精准捕捉舭涡聚集与非对称船艉涡演化;纯艏摇运动中有效表征艏涡强度与自由表面波动的动态耦合;在35°舵角回转预报中,战术直径与稳定回转直径平均偏差仅为3.34%和1.55%,较k-ε湍流模型精度最大提升30%以上。EB湍流模型在船舶操纵粘性流场模拟中展现出高保真度,能够精确识别水动力导数并可靠预报操纵运动,为实船航行安全评估提供有效工具。
, authors=段明涛, 白洋, 徐海珏, 刘军政, 秦梦春, authorsList=段明涛, 白洋, 徐海珏, 刘军政, 秦梦春, authorCompany=null, correspAuthors=null, authorNote=
, correspAuthorsNote=null, copyrightStatement=版权所有©《船舶力学》编辑部2026, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=t9OpWcluo13gfFRwf+huSA==, magXml=THOgfK+WO0gMtxF6K63atw==, pdfUrl=null, pdf=AvsNBuB5mt9ZW9OhVb2heg==, pdfFileSize=11351956, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=bqo9/+9YVlzX2Ch42gW5pA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=i7RxZ4S3M17wIhw43t5PYA==, mapNumber=null, fund=null)}, authors=[Author(id=1324426426178482688, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=spookmaster@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1324426427847815682, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, authorId=1324426426178482688, language=EN, stringName=Ming-tao DUAN, firstName=Ming-tao, middleName=null, lastName=DUAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=State Key Laboratory of Hydraulic Engineering Intelligent Construction and Operation, Tianjin University, Tianjin 300354, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1324426427923313155, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, authorId=1324426426178482688, language=CN, stringName=段明涛, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=天津大学 水利工程仿真与安全国家重点实验室,天津 300354, bio={"content":"
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Journal of Computational Physics, 2015, 306: 291-310., articleTitle=null, refAbstract=null)], funds=[Fund(id=1324426448047583822, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, awardId=null, language=CN, fundingSource=国家自然科学基金资助项目(52201333);国家重点研发项目(2023YFB2603804), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1324426425972961788, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, xref=null, ext=[AuthorCompanyExt(id=1324426425985544701, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, companyId=1324426425972961788, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=State Key Laboratory of Hydraulic Engineering Intelligent Construction and Operation, Tianjin University, Tianjin 300354, China), AuthorCompanyExt(id=1324426425993933310, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, companyId=1324426425972961788, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=天津大学 水利工程仿真与安全国家重点实验室,天津 300354)])], figs=[ArticleFig(id=1324426435401757216, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.1, caption=
Coordinate systems, figureFileSmall=vc5IFeVBYMI5AbaQ1XqNFQ==, figureFileBig=bqo9/+9YVlzX2Ch42gW5pA==, tableContent=null), ArticleFig(id=1324426436781683233, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图1, caption=
坐标系, figureFileSmall=vc5IFeVBYMI5AbaQ1XqNFQ==, figureFileBig=bqo9/+9YVlzX2Ch42gW5pA==, tableContent=null), ArticleFig(id=1324426437230473762, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.2, caption=
Ship model, figureFileSmall=FIB+F9KDAFEAlN1OXJv73w==, figureFileBig=3Fq7rJ6yTRZ3GbCbbxPb8w==, tableContent=null), ArticleFig(id=1324426437553435171, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图2, caption=
船舶模型, figureFileSmall=FIB+F9KDAFEAlN1OXJv73w==, figureFileBig=3Fq7rJ6yTRZ3GbCbbxPb8w==, tableContent=null), ArticleFig(id=1324426437641515556, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.3, caption=
Computation domain, figureFileSmall=t008jtZVSpstM5MQ34hy4g==, figureFileBig=InT5GRAijMYXxYTD7hVN9w==, tableContent=null), ArticleFig(id=1324426437712818725, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图3, caption=
计算域, figureFileSmall=t008jtZVSpstM5MQ34hy4g==, figureFileBig=InT5GRAijMYXxYTD7hVN9w==, tableContent=null), ArticleFig(id=1324426437909951014, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.4, caption=
Comparison between solutions with different mesh densities and experimental data at β=18° static drift simulation, figureFileSmall=2qPX9zSQum/eF14cRBbUgA==, figureFileBig=4d5k/gJVvwZq+cxcgr7nvw==, tableContent=null), ArticleFig(id=1324426438048363047, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图4, caption=
β=18°斜拖仿真时三种密度网格求解结果与试验值的对比, figureFileSmall=2qPX9zSQum/eF14cRBbUgA==, figureFileBig=4d5k/gJVvwZq+cxcgr7nvw==, tableContent=null), ArticleFig(id=1324426438107083304, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.5, caption=
Eddy viscosity, figureFileSmall=4sKab5hg1tsrvpfHRCRLAg==, figureFileBig=wdq9KPmAp4znyiHLyQ+IUw==, tableContent=null), ArticleFig(id=1324426438341964329, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图5, caption=
湍流涡粘度, figureFileSmall=4sKab5hg1tsrvpfHRCRLAg==, figureFileBig=wdq9KPmAp4znyiHLyQ+IUw==, tableContent=null), ArticleFig(id=1324426441865179690, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.6, caption=
Comparison between solutions with different turbulent models and experimental data at β=18° static drift simulation, figureFileSmall=tXgFefE2DF8f9izigHdRxg==, figureFileBig=HKJsmx/tr/qNnggWNXTBvw==, tableContent=null), ArticleFig(id=1324426442087477803, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图6, caption=
β=18°斜拖仿真时三种湍流模型求解结果与试验值的对比, figureFileSmall=tXgFefE2DF8f9izigHdRxg==, figureFileBig=HKJsmx/tr/qNnggWNXTBvw==, tableContent=null), ArticleFig(id=1324426442179752492, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.7, caption=
Axial vorticity field at ship transverse sections when β=18° under medium-density grid and EB model, figureFileSmall=Hd2kskTT16Xv1QGxqZ7VZA==, figureFileBig=OvMLQMvGERTuby5KYoDLTw==, tableContent=null), ArticleFig(id=1324426442288804398, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图7, caption=
中密度网格与EB模型下β=18°时船体横截面上的轴向涡量场船身附近涡分布, figureFileSmall=Hd2kskTT16Xv1QGxqZ7VZA==, figureFileBig=OvMLQMvGERTuby5KYoDLTw==, tableContent=null), ArticleFig(id=1324426442565628464, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.8, caption=
Sequential developments of free surface and axial vorticity field ωx in pure yaw motion, figureFileSmall=XoNI54YpgKwV6CNBdYKiKg==, figureFileBig=tvoo1PfbiQA+u1WGTZBjVQ==, tableContent=null), ArticleFig(id=1324426442951504433, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图8, caption=
纯艏摇仿真中波面与轴向涡量ωx变化, figureFileSmall=XoNI54YpgKwV6CNBdYKiKg==, figureFileBig=tvoo1PfbiQA+u1WGTZBjVQ==, tableContent=null), ArticleFig(id=1324426443094110770, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.9, caption=
Dimensionless force X ′ of static drift, figureFileSmall=j4/qAUU1GXnh55BVAP3apA==, figureFileBig=O3DSDoOY+Qk7hhayYkxA0A==, tableContent=null), ArticleFig(id=1324426443345769011, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图9, caption=
无量纲斜拖力X ′, figureFileSmall=j4/qAUU1GXnh55BVAP3apA==, figureFileBig=O3DSDoOY+Qk7hhayYkxA0A==, tableContent=null), ArticleFig(id=1324426443438043700, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.10, caption=
Dimensionless force Y ′ of static drift, figureFileSmall=+MzzBXtxdcuo+9w6L+EI/Q==, figureFileBig=nLt6iWcMPqXvyUnzOT087w==, tableContent=null), ArticleFig(id=1324426443513541173, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图10, caption=
无量纲斜拖力Y′, figureFileSmall=+MzzBXtxdcuo+9w6L+EI/Q==, figureFileBig=nLt6iWcMPqXvyUnzOT087w==, tableContent=null), ArticleFig(id=1324426443857474102, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.11, caption=
Dimensionless moment N ′ of static drift, figureFileSmall=kTniCvhOD8h2+Zn9PnXz9g==, figureFileBig=znw0L5Y68f46+kuzxPVi2w==, tableContent=null), ArticleFig(id=1324426445690384951, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图11, caption=
无量纲斜拖力矩N′, figureFileSmall=kTniCvhOD8h2+Zn9PnXz9g==, figureFileBig=znw0L5Y68f46+kuzxPVi2w==, tableContent=null), ArticleFig(id=1324426445816214072, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.12, caption=
Dimensionless force X ′ of pure yaw, figureFileSmall=o2nz1oBYyrel5DCZ53N3uw==, figureFileBig=LbjMDWGSaeQ084y/S2CctQ==, tableContent=null), ArticleFig(id=1324426445942043193, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图12, caption=
无量纲纯艏摇力X′, figureFileSmall=o2nz1oBYyrel5DCZ53N3uw==, figureFileBig=LbjMDWGSaeQ084y/S2CctQ==, tableContent=null), ArticleFig(id=1324426446013346362, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.13, caption=
Dimensionless force Y ′ of pure yaw, figureFileSmall=NL67O68ziwKFsI2swFfA4g==, figureFileBig=kTW0PEZaQm/VDP+owchkHQ==, tableContent=null), ArticleFig(id=1324426446101426747, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图13, caption=
无量纲纯艏摇力Y ′, figureFileSmall=NL67O68ziwKFsI2swFfA4g==, figureFileBig=kTW0PEZaQm/VDP+owchkHQ==, tableContent=null), ArticleFig(id=1324426446176924220, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.14, caption=
Dimensionless moment N ′ of pure yaw, figureFileSmall=h/wBhJsFMR+T1jUAMayDYw==, figureFileBig=UI1u1HWRrVBhHleMVHmC/w==, tableContent=null), ArticleFig(id=1324426446260810301, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图14, caption=
无量纲纯艏摇力矩N ′, figureFileSmall=h/wBhJsFMR+T1jUAMayDYw==, figureFileBig=UI1u1HWRrVBhHleMVHmC/w==, tableContent=null), ArticleFig(id=1324426446319530558, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Fig.15, caption=
Trajectory comparison in turning motion, figureFileSmall=Yfs8x2MZNikDbmaqYCJG1w==, figureFileBig=Ev4I/yXM5HBrlXKX2JuAxA==, tableContent=null), ArticleFig(id=1324426446399222335, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=图15, caption=
回转运动中的轨迹对比[9-10], figureFileSmall=Yfs8x2MZNikDbmaqYCJG1w==, figureFileBig=Ev4I/yXM5HBrlXKX2JuAxA==, tableContent=null), ArticleFig(id=1324426446487302720, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Tab.1, caption=
Principal particulars of ships
, figureFileSmall=null, figureFileBig=null, tableContent=
| 全尺寸KCS | KCS船模 | | | 全尺寸KCS | KCS船模 |
| 垂线间长Lpp/m | 230 | 7.279 | | 方形系数Cb | 0.651 | 0.651 |
| 型宽B/m | 32.2 | 1.019 | | 船舵面积S/m2 | 115 | 0.115 |
| 吃水d/m | 10.8 | 0.342 | | 船舵转向速率/(deg·s−1) | 2.32 | 13.0 |
| 排水体积▽/m³ | 52030 | 1.649 | | 螺旋桨直径DP/m | 7.9 | 0.250 |
), ArticleFig(id=1324426446575383105, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=表1, caption=
船舶参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 全尺寸KCS | KCS船模 | | | 全尺寸KCS | KCS船模 |
| 垂线间长Lpp/m | 230 | 7.279 | | 方形系数Cb | 0.651 | 0.651 |
| 型宽B/m | 32.2 | 1.019 | | 船舵面积S/m2 | 115 | 0.115 |
| 吃水d/m | 10.8 | 0.342 | | 船舵转向速率/(deg·s−1) | 2.32 | 13.0 |
| 排水体积▽/m³ | 52030 | 1.649 | | 螺旋桨直径DP/m | 7.9 | 0.250 |
), ArticleFig(id=1324426446650880578, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Tab.2, caption=
Test conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 漂角 | $ r_{0}^{\prime} $ |
| 斜拖 | 3°, 6°, 9°, 12°, 15°, 18° | − |
| 纯艏摇 | − | 0.2, 0.4, 0.6, 0.8 |
), ArticleFig(id=1324426446797681219, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=表2, caption=
设计工况
, figureFileSmall=null, figureFileBig=null, tableContent=
| 漂角 | $ r_{0}^{\prime} $ |
| 斜拖 | 3°, 6°, 9°, 12°, 15°, 18° | − |
| 纯艏摇 | − | 0.2, 0.4, 0.6, 0.8 |
), ArticleFig(id=1324426446881567300, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Tab.3, caption=
Convergence analysis of three kinds of grid
, figureFileSmall=null, figureFileBig=null, tableContent=
| 细网格计算值 | 中网格计算值 | 粗网格计算值 | 试验值 | 收敛率R |
| 网格数 | 9.6×106 | 4.3×106 | 2.5×106 | − | − |
| X' | −0.0173 | −0.0172 | −0.0172 | −0.017 | 0.857 |
| Y' | 0.1265 | 0.1251 | 0.1236 | 0.124 | 0.933 |
| N' | 0.0520 | 0.0500 | 0.0476 | 0.049 | 0.833 |
), ArticleFig(id=1324426446957064773, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=表3, caption=
三种网格收敛分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 细网格计算值 | 中网格计算值 | 粗网格计算值 | 试验值 | 收敛率R |
| 网格数 | 9.6×106 | 4.3×106 | 2.5×106 | − | − |
| X' | −0.0173 | −0.0172 | −0.0172 | −0.017 | 0.857 |
| Y' | 0.1265 | 0.1251 | 0.1236 | 0.124 | 0.933 |
| N' | 0.0520 | 0.0500 | 0.0476 | 0.049 | 0.833 |
), ArticleFig(id=1324426447024173638, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Tab.4, caption=
Hydrodynamic derivatives from Ref. [7,13] used in turning motion prediction
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水动力导数 | Xvr' | Yvvr' | Yvrr' | Nvvr' | Nvrr' |
| 数值 | 0.3099 | −0.4444 | −0.5461 | −0.7339 | −0.0570 |
), ArticleFig(id=1324426447091282503, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=表4, caption=
回转预报中取自文献[7,13]的水动力导数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水动力导数 | Xvr' | Yvvr' | Yvrr' | Nvvr' | Nvrr' |
| 数值 | 0.3099 | −0.4444 | −0.5461 | −0.7339 | −0.0570 |
), ArticleFig(id=1324426447187751496, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Tab.5, caption=
Hydrodynamic derivatives from static drift simulation
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水动力导数 | CFD | 试验值 | CFD相对试验值误差(%) | SST k-ω[10] | SST k-ω相对试验值误差(%) |
| Xvv' | −0.0534 | − | − | −0.0719 | − |
| Xvvvv' | 0.0906 | 0.1089 | −16.8 | − | − |
| Yv' | −0.2431 | −0.2591 | −6.2 | −0.2450 | −5.4 |
| Yvvv' | −1.7514 | −1.7212 | 1.8 | −1.6670 | −3.1 |
| Nv' | −0.1324 | −0.1421 | −6.8 | −0.1386 | −2.5 |
| Nvvv' | −0.2335 | −0.2666 | −12.4 | −0.2335 | −12.4 |
), ArticleFig(id=1324426447280026185, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=表5, caption=
斜拖仿真得到的水动力导数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水动力导数 | CFD | 试验值 | CFD相对试验值误差(%) | SST k-ω[10] | SST k-ω相对试验值误差(%) |
| Xvv' | −0.0534 | − | − | −0.0719 | − |
| Xvvvv' | 0.0906 | 0.1089 | −16.8 | − | − |
| Yv' | −0.2431 | −0.2591 | −6.2 | −0.2450 | −5.4 |
| Yvvv' | −1.7514 | −1.7212 | 1.8 | −1.6670 | −3.1 |
| Nv' | −0.1324 | −0.1421 | −6.8 | −0.1386 | −2.5 |
| Nvvv' | −0.2335 | −0.2666 | −12.4 | −0.2335 | −12.4 |
), ArticleFig(id=1324426447380689482, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Tab.6, caption=
Hydrodynamic derivatives from pure yaw
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水动力导数 | CFD | 试验值 | CFD相对试验值 误差(%) | k-ε[9] | k-ε相对试验值 误差(%) | SST k-ω[10] | SST k-ω相对试验值 误差(%) |
| Xrr' | | −0.0172 | 4.7 | − | − | −0.0292 | 69.8 |
| Yr'-m'-mx' | −0.0488 | −0.1753 | −72.2 | −0.00947 | −94.6 | 0.0135 | −107.7 |
| Yrrr' | −0.0217 | −0.0228 | −4.8 | −0.00497 | −78.2 | −0.0415 | 82.0 |
| Nr'-m'-mx' | −0.0434 | −0.0462 | −6.1 | 0.00245 | −105.3 | −0.0437 | −5.4 |
| Nrrr' | −0.0217 | −0.0313 | −30.7 | −0.00205 | −93.5 | −0.0509 | 62.6 |
), ArticleFig(id=1324426447451992651, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=表6, caption=
纯艏摇仿真得到的水动力导数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水动力导数 | CFD | 试验值 | CFD相对试验值 误差(%) | k-ε[9] | k-ε相对试验值 误差(%) | SST k-ω[10] | SST k-ω相对试验值 误差(%) |
| Xrr' | | −0.0172 | 4.7 | − | − | −0.0292 | 69.8 |
| Yr'-m'-mx' | −0.0488 | −0.1753 | −72.2 | −0.00947 | −94.6 | 0.0135 | −107.7 |
| Yrrr' | −0.0217 | −0.0228 | −4.8 | −0.00497 | −78.2 | −0.0415 | 82.0 |
| Nr'-m'-mx' | −0.0434 | −0.0462 | −6.1 | 0.00245 | −105.3 | −0.0437 | −5.4 |
| Nrrr' | −0.0217 | −0.0313 | −30.7 | −0.00205 | −93.5 | −0.0509 | 62.6 |
), ArticleFig(id=1324426447569433164, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=EN, label=Tab.7, caption=
Comparison of 35° turning indices
, figureFileSmall=null, figureFileBig=null, tableContent=
| 回转指标 | 向左舷回转 | 向右舷回转 |
| CFD | CFD/试验(%) | CFD | CFD/试验(%) |
| TD/Lpp | 2.74 | 103.75 | 2.91 | 102.93 |
| AD/Lpp | 3.01 | 102.74 | 3.05 | 105.02 |
| DT/Lpp | 2.31 | 100.57 | 2.56 | 102.52 |
| k-ε | k-ε/试验(%) | k-ε | k-ε/试验(%) |
| TD/Lpp | 2.89 | 109.47 | 2.86 | 101.12 |
| AD/Lpp | 3.38 | 115.20 | 3.33 | 114.75 |
| DT/Lpp | 3.14 | 136.64 | 3.21 | 128.55 |
| SST k-ω | SST k-ω/试验(%) | SST k-ω | SST k-ω/试验(%) |
| TD/Lpp | 2.78 | 105.11 | 3.00 | 105.86 |
| AD/Lpp | 3.00 | 102.18 | 3.12 | 107.48 |
| DT/Lpp | 2.34 | 101.78 | 2.58 | 103.00 |
), ArticleFig(id=1324426447674290765, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324426344179827381, language=CN, label=表7, caption=
35°回转指标对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 回转指标 | 向左舷回转 | 向右舷回转 |
| CFD | CFD/试验(%) | CFD | CFD/试验(%) |
| TD/Lpp | 2.74 | 103.75 | 2.91 | 102.93 |
| AD/Lpp | 3.01 | 102.74 | 3.05 | 105.02 |
| DT/Lpp | 2.31 | 100.57 | 2.56 | 102.52 |
| k-ε | k-ε/试验(%) | k-ε | k-ε/试验(%) |
| TD/Lpp | 2.89 | 109.47 | 2.86 | 101.12 |
| AD/Lpp | 3.38 | 115.20 | 3.33 | 114.75 |
| DT/Lpp | 3.14 | 136.64 | 3.21 | 128.55 |
| SST k-ω | SST k-ω/试验(%) | SST k-ω | SST k-ω/试验(%) |
| TD/Lpp | 2.78 | 105.11 | 3.00 | 105.86 |
| AD/Lpp | 3.00 | 102.18 | 3.12 | 107.48 |
| DT/Lpp | 2.34 | 101.78 | 2.58 | 103.00 |
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