Article(id=1324392857242566941, tenantId=1146029695717560320, journalId=1240685776644648972, issueId=1324392762614882315, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1007-7294.2026.07.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1762704000000, receivedDateStr=2025-11-10, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793689463195, onlineDateStr=2026-11-03, pubDate=1784044800000, pubDateStr=2026-07-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793689463195, onlineIssueDateStr=2026-11-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793689463195, creator=13701087609, updateTime=1793689463195, updator=13701087609, issue=Issue{id=1324392762614882315, tenantId=1146029695717560320, journalId=1240685776644648972, year='2026', volume='30', issue='7', pageStart='1041', pageEnd='1220', issueExtLink='null', onlineDate='null', pubDate='1784044800000', pubDateStr='2026-07-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793689440634, creator='13701087609', updateTime=1793689440634, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=1173, endPage=1184, ext={EN=ArticleExt(id=1324392857511002398, articleId=1324392857242566941, tenantId=1146029695717560320, journalId=1240685776644648972, language=EN, title=Simulation analysis of line heating for marine double curvature plates based on Gaussian mixture heat source model, columnId=1242129251223274417, journalTitle=Journal of Ship Mechanics, columnName=Structural Mechanics, runingTitle=null, highlight=null, articleAbstract=
Line-heating with water cooling is the primary forming process used in shipbuilding to manufacture steel plates with complex double curvature. Owing to its high computational efficiency and reduced trial-and-error cost, finite element simulation has become an essential tool for process optimization and forming-quality control in the fabrication of complex curved plates. However, the Gaussian surface heat source model commonly adopted in existing finite element analysis neglects the transient heat-transfer effect induced by water cooling, leading to large errors in predicted plate deformation and insufficient forming accuracy for engineering applications. To address the thermomechanical modelling challenges in the simulation of line-heating with water cooling, the full-field temperature distribution during the forming process was first measured using an infrared camera. Based on the expectation-maximization algorithm for solving Gaussian mixture models, a Gaussian mixture heat source model incorporating both the heat input and the heat extraction was established. In addition, the material hardening behavior caused by accumulated plastic deformation under repeated thermal loading was considered, accounting for the gradual increase in yield strength and tensile strength. On this basis, a simulation method capable of accurately predicting both the temperature field and deformation of plates formed by line-heating with water cooling was developed, thereby improving the accuracy of existing process simulations. Comparisons between numerical and experimental results show that, relative to the conventional Gaussian heat source model, the proposed Gaussian mixture heat source model effectively captures the rapid heat-transfer process associated with water cooling and reduces the temperature prediction error in the water-cooled region from 200 ℃ to 20 ℃. When combined with the material hardening model, the maximum prediction deviations of transverse and longitudinal deformation are reduced to 2.0% and 1.6%, respectively. The proposed method provides a reliable technical basis for high-precision ship manufacturing.
, authors=Bao-zhu ZHANG
1, Kai LIU
2, Jin-rui YE
2, Zhi-hao QI
2, An-shi YAN
2, Xing-hua WANG
3, authorsList=Bao-zhu ZHANG, Kai LIU, Jin-rui YE, Zhi-hao QI, An-shi YAN, Xing-hua WANG, 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=1324392870781780349, articleId=1324392857242566941, tenantId=1146029695717560320, journalId=1240685776644648972, language=CN, title=基于高斯混合热源模型的船用双曲板水火工艺仿真方法, columnId=1241023038926410098, journalTitle=船舶力学, columnName=结构力学, runingTitle=null, highlight=null, articleAbstract=
水火弯板工艺是船舶行业中制造复杂双曲率钢板的主要方法。有限元仿真方法凭借高效和试错成本低的优势,已成为该工艺优化与复杂曲板成形质量控制的关键手段。然而,现有有限元模型普遍采用的高斯面热源模型,忽略了水冷瞬态换热效应,导致计算所得曲板变形误差较大,成形精度难以满足工程容限要求。本工作围绕水火弯板仿真中的热力学模型问题,首先利用红外摄像仪采集了水火弯板的温度场,基于数学理论中求解高斯混合模型的期望最大化算法,拟合得到了一种兼顾热源和冷源的高斯混合热源模型。进一步考虑了在多次热载荷下,材料因塑性变形而导致屈服强度和抗拉强度逐渐提高的硬化现象,建立了准确预测水火弯板温度和变形的仿真方法,解决了当前水火弯板工艺仿真结果精度低的问题。仿真结果与实验结果对比表明,与传统的高斯热源模型相比,高斯混合热源模型考虑了快速水冷换热过程,水冷区域温度场预报误差由200 ℃降低至20 ℃;高斯混合热源模型结合材料应力硬化模型,水火弯板横向、纵向最大变形预报偏差分别为2.0%、1.6%,为舰船高精度制造提供技术支撑。
, authors=张保柱
1, 刘凯
2, 叶金蕊
2, 齐智昊
2, 闫安石
2, 王兴华
3, authorsList=张保柱, 刘凯, 叶金蕊, 齐智昊, 闫安石, 王兴华, 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=e6b7gEH7NeqoQHWP0MlpJA==, magXml=SJrvqMhiGmWuTAQa7eC54Q==, pdfUrl=null, pdf=1P1B0tlFbtCSZ4OqiIOFXg==, pdfFileSize=13447944, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=kNZ8ui0qkKHBHdDmrfgoww==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=QHeWahkfRKkUV0cA9mya7g==, mapNumber=null, fund=null)}, authors=[Author(id=1324392872778269064, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1324392872857960842, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, authorId=1324392872778269064, language=EN, stringName=Bao-zhu ZHANG, firstName=Bao-zhu, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1324392872946041227, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, authorId=1324392872778269064, language=CN, stringName=张保柱, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1中国石油大学(华东)材料科学与工程学院,山东 青岛 266000, bio={"content":"
张保柱(1990–),男,博士研究生
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2北京理工大学 空天科学与技术学院,北京 100190, bio={"content":"
刘 凯(1989–),男,博士,副教授,通讯作者,E-mail:liukai0704@bit.edu.cn
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2School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100190, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1324392873872982421, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, authorId=1324392873537438098, language=CN, stringName=叶金蕊, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2北京理工大学 空天科学与技术学院,北京 100190, bio={"content":"
叶金蕊(1982–),女,博士,教授,通讯作者,E-mail:yejinrui@bit.edu.cn
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叶金蕊(1982–),女,博士,教授,通讯作者,E-mail:yejinrui@bit.edu.cn
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2School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100190, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1324392874078503322, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, authorId=1324392873931702679, language=CN, stringName=齐智昊, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2北京理工大学 空天科学与技术学院,北京 100190, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1324392872610496897, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, xref=2, ext=[AuthorCompanyExt(id=1324392872618885506, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, companyId=1324392872610496897, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3Jiangsu Automation Research Institute, Lianyungang 222006, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1324392874623762853, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, authorId=1324392874435019170, language=CN, stringName=王兴华, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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Test specimen of sail-shaped curved plate, figureFileSmall=Ygg9rJuBhLGqGQ7GHRxO9A==, figureFileBig=kNZ8ui0qkKHBHdDmrfgoww==, tableContent=null), ArticleFig(id=1324392877052264879, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=CN, label=图1, caption=
帆形曲板试验样件, figureFileSmall=Ygg9rJuBhLGqGQ7GHRxO9A==, figureFileBig=kNZ8ui0qkKHBHdDmrfgoww==, tableContent=null), ArticleFig(id=1324392877299728816, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=EN, label=Fig.2, caption=
Temperature distribution in line heating process (Q is the propylene flow rate, L is the distance between water and heating centers), figureFileSmall=8VKSauNxv6xiW6z6Ca2ddg==, figureFileBig=FOp1CTNSV1+QnadgL6ZvAQ==, tableContent=null), ArticleFig(id=1324392877392003505, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=CN, label=图2, caption=
水火弯板温度分布(Q为丙烯流量, L为水火中心间距), figureFileSmall=8VKSauNxv6xiW6z6Ca2ddg==, figureFileBig=FOp1CTNSV1+QnadgL6ZvAQ==, tableContent=null), ArticleFig(id=1324392877467500978, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=EN, label=Fig.3, caption=
Heat-flux distribution of Gaussian mixture heat source model, figureFileSmall=oHYAjALsdxAVsqdoiZj+tg==, figureFileBig=+HGm59+b162qP/OoOT8Tyg==, tableContent=null), ArticleFig(id=1324392877589135795, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=CN, label=图3, caption=
高斯混合热源模型热流分布, figureFileSmall=oHYAjALsdxAVsqdoiZj+tg==, figureFileBig=+HGm59+b162qP/OoOT8Tyg==, tableContent=null), ArticleFig(id=1324392877681410484, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=EN, label=Fig.4, caption=
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网格划分及火焰路径, figureFileSmall=F9LZTY/rl5dUNmbpL1f6eQ==, figureFileBig=TzA4l4lAkLSIqi/9hBfLGg==, tableContent=null), ArticleFig(id=1324392877995983286, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=EN, label=Fig.5, caption=
Temperature-dependent mechanical properties of AH36 steel[27], figureFileSmall=lumz8Mrm48QmUoKIMfZh1A==, figureFileBig=oL+c1PdvMA0GZxXRWNcTTg==, tableContent=null), ArticleFig(id=1324392878063092151, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=CN, label=图5, caption=
AH36材料随温度变化的力学性能[27], figureFileSmall=lumz8Mrm48QmUoKIMfZh1A==, figureFileBig=oL+c1PdvMA0GZxXRWNcTTg==, tableContent=null), ArticleFig(id=1324392878134395320, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=EN, label=Fig.6, caption=
Cloud map of temperature field, figureFileSmall=XFasBcNf2bV3s2AUxspKtQ==, figureFileBig=XNE2YFr2dxpbrMKtcOnxQw==, tableContent=null), ArticleFig(id=1324392878201504185, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=CN, label=图6, caption=
温度场云图, figureFileSmall=XFasBcNf2bV3s2AUxspKtQ==, figureFileBig=XNE2YFr2dxpbrMKtcOnxQw==, tableContent=null), ArticleFig(id=1324392878411219386, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=EN, label=Fig.7, caption=
Temperature distribution along the heating paths, figureFileSmall=jd61NL6wn8fvjGr9BdWRpw==, figureFileBig=1n2Jtn7B9kMUAj2rdVCOjA==, tableContent=null), ArticleFig(id=1324392878516076987, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=CN, label=图7, caption=
加热线的温度分布, figureFileSmall=jd61NL6wn8fvjGr9BdWRpw==, figureFileBig=1n2Jtn7B9kMUAj2rdVCOjA==, tableContent=null), ArticleFig(id=1324392878604157372, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=EN, label=Fig.8, caption=
Transversal shrinkage of the curved plate, figureFileSmall=ck1gdA5F78NehumAncknZw==, figureFileBig=07DuWu44ujqxszf9dw7XAw==, tableContent=null), ArticleFig(id=1324392878889370046, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=CN, label=图8, caption=
横向收缩量, figureFileSmall=ck1gdA5F78NehumAncknZw==, figureFileBig=07DuWu44ujqxszf9dw7XAw==, tableContent=null), ArticleFig(id=1324392878985839039, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=EN, label=Fig.9, caption=
Comparsion of deflection deformation among different models, figureFileSmall=g+ZXG0rn8Pl2u10i70zOpQ==, figureFileBig=63pFux3BmPYA5tY2WYKBpw==, tableContent=null), ArticleFig(id=1324392879044559296, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=CN, label=图9, caption=
不同模型翘曲对比, figureFileSmall=g+ZXG0rn8Pl2u10i70zOpQ==, figureFileBig=63pFux3BmPYA5tY2WYKBpw==, tableContent=null), ArticleFig(id=1324392879237497281, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=EN, label=Tab.1, caption=
Parameters of Gaussian mixture heat source model[4, 9]
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | A1 | $ \eta $ | CP | $ \bigtriangleup {T}_{1} $ |
| 数值 | 97 kJ/L | 0.35 | 3.36×105 J/kg | 20 ℃ |
), ArticleFig(id=1324392879333966274, tenantId=1146029695717560320, journalId=1240685776644648972, articleId=1324392857242566941, language=CN, label=表1, caption=
高斯混合热源模型参数[4, 9]
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| 参数 | A1 | $ \eta $ | CP | $ \bigtriangleup {T}_{1} $ |
| 数值 | 97 kJ/L | 0.35 | 3.36×105 J/kg | 20 ℃ |
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