Article(id=1149780469576851817, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149780466032669506, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2402803, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1713283200000, receivedDateStr=2024-04-17, revisedDate=1735488000000, revisedDateStr=2024-12-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1752058625835, onlineDateStr=2025-07-09, pubDate=1744041600000, pubDateStr=2025-04-08, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752058625835, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752058625835, creator=13701087609, updateTime=1752058625835, updator=13701087609, issue=Issue{id=1149780466032669506, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='10', pageStart='3969', pageEnd='4395', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752058624990, creator=13701087609, updateTime=1768456644259, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1218558743898411553, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149780466032669506, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1218558743898411554, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149780466032669506, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=4093, endPage=4101, ext={EN=ArticleExt(id=1149780469832704363, articleId=1149780469576851817, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Safe Strength of Flooding Cap under Multi-load in Deepwater, columnId=1156262729003422020, journalTitle=Science Technology and Engineering, columnName=Papers·Petroleum and Natural Gas Industry, runingTitle=null, highlight=null, articleAbstract=
The flooding cap is the key equipment for the pre-commissioning of subsea pipeline. Its deep sea installation operation has high risks and strict requirements, which puts forward higher requirements for the safety performance of structural strength. In addition to bearing loads during installation, the flooding cap also needs to block huge internal pressure in the pipeline during pressure test. Its structural strength and bearing capacity directly affect the safety and reliability of the whole subsea production system pre-commissioning. The flooding cap used in a 1 500 m deep gas field in the South China Sea Lingshui area was taken as the research object. Based on the relevant standards of DNV and NORSOK, elastoplastic finite element modeling of the flooding cap and key pressure components was carried out to analyze the safety strength requirements under different working conditions. The results show that the maximum Von Mises stress of each component of the flooding cap is less than the allowable stress under lifting conditions, and the high stress is mainly concentrated at the bolt connection. Under the impact condition, the flooding cap simulation can meet the installation speed requirement of 0.5 m/s, and the overall structural strength can meet the relevant standards. Under pressure testing conditions, the pressure capacity of the flooding cap is calculated to be 823 bar, and the measured pressure during the pre-commissioning operation of the Linsgshui gas field in the South China Sea is 268 bar, which is far less than its pressure capacity, satisfying the finite element calculation results. The relevant research results can provide theoretical basis and technical reference for the design and field application of flooding cap.
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冲洗压力帽是海底管道预调试的关键性设备,其深海安装作业风险高、要求严,对结构强度的安全性能提出了更高的要求。冲洗压力帽除了在安装作业时承受载荷外,在试压过程中还需要封堵巨大的管道内压,其结构强度和承压能力直接影响到整个水下生产系统预调试的安全可靠性。以南海陵水海域1 500 m水深气田使用的冲洗压力帽为研究对象,基于挪威船级社(Det Norske Veritas, DNV)和挪威石油工业NORSOK相关标准,对冲洗压力帽和关键承压部件进行弹塑性有限元建模,分析不同工况条件下安全强度要求。结果表明:吊装工况下冲洗压力帽各部件最大Von Mises应力均小于许用应力,且高应力主要集中在螺栓连接处;在冲击工况下冲洗压力帽模拟下放满足其0.5 m/s的速度安装要求,整体结构强度满足相关标准要求;在打压测试工况下计算得到冲洗压力帽承压能力为823 bar,南海陵水气田预调试作业时实测压力为268 bar,远小于其承压能力,满足有限元计算结果。研究结果可为冲洗压力帽设计和现场应用提供理论基础和技术参考。
, correspAuthors=刘统亮, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=cvXA8OIWzC4342vdZCD8FA==, magXml=yx25saQyLJRkp4tRz2uzYw==, pdfUrl=null, pdf=S3xNomBoCkYVDpO4G3ARvQ==, pdfFileSize=16587957, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=GFvrPHbTVwJUFsStM4VfPg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=VL6UALTD72D+bxW9XoGCkw==, mapNumber=null, authorCompany=null, fund=null, authors=
, authorsList=刘统亮, 常户星, 徐化奎, 魏行超, 张晨, 冯定)}, authors=[Author(id=1218525113092330321, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=liutl6@cnooc.com.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1218525113226548063, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, authorId=1218525113092330321, language=EN, stringName=Tong-liang LIU, firstName=Tong-liang, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 中海石油(中国)有限公司海南分公司, 海口 570300, bio={"content":"
刘统亮(1997—),男,汉族,江西九江人,硕士,工程师。研究方向:结构力学和海洋石油天然气开发技术。E-mail:liutl6@cnooc.com.cn。
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刘统亮(1997—),男,汉族,江西九江人,硕士,工程师。研究方向:结构力学和海洋石油天然气开发技术。E-mail:liutl6@cnooc.com.cn。
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1 中海石油(中国)有限公司海南分公司, 海口 570300)])]), Author(id=1218525114845549525, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, orderNo=4, 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=1218525114983961567, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, authorId=1218525114845549525, language=EN, stringName=Chen ZHANG, firstName=Chen, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3 长江大学机械工程学院, 荆州 434023)])])], keywords=[Keyword(id=1218525115638272010, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, orderNo=1, keyword=deepwater), Keyword(id=1218525115726352403, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, orderNo=2, keyword=complex load), Keyword(id=1218525115839598622, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, orderNo=3, keyword=flooding cap), Keyword(id=1218525115965427748, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, orderNo=4, keyword=safety performance), Keyword(id=1218525116082868262, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, orderNo=5, keyword=pressure capacity), Keyword(id=1218525116229668909, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, orderNo=1, keyword=深海), Keyword(id=1218525116342915122, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, orderNo=2, keyword=复杂载荷), Keyword(id=1218525116464549944, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, orderNo=3, keyword=冲洗压力帽), Keyword(id=1218525116569407552, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, orderNo=4, keyword=安全性能), Keyword(id=1218525116674265155, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, orderNo=5, keyword=承压能力)], refs=[Reference(id=1218525121384468782, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, doi=null, pmid=null, pmcid=null, year=2021, volume=33, issue=1, pageStart=166, pageEnd=176, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=谢彬, 曾恒一, journalName=中国海上油气, refType=null, unstructuredReference=谢彬, 曾恒一. 我国海洋深水油气田开发工程技术研究进展[J].
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Schematic of the flooding cap structure, figureFileSmall=oXbfZtBGAiGLbDYE4DenqA==, figureFileBig=SN5ThWXgLJan2sKNo48yPQ==, tableContent=null), ArticleFig(id=1218525117030781022, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图1, caption=
冲洗压力帽结构示意图, figureFileSmall=oXbfZtBGAiGLbDYE4DenqA==, figureFileBig=SN5ThWXgLJan2sKNo48yPQ==, tableContent=null), ArticleFig(id=1218525117152415845, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.2, caption=
Schematic of subsea pipeline pre-commissioning operation, figureFileSmall=zwU9KBHmyzop5JPs5dTk+g==, figureFileBig=LSPx1f+fwtbFNug2uWJT3Q==, tableContent=null), ArticleFig(id=1218525117240496234, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图2, caption=
海底管道预调试作业示意图, figureFileSmall=zwU9KBHmyzop5JPs5dTk+g==, figureFileBig=LSPx1f+fwtbFNug2uWJT3Q==, tableContent=null), ArticleFig(id=1218525117341159535, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.3, caption=
Finite element model of flooding cap under lifting condition, figureFileSmall=pea6W0bnRvYUJZNO5TSpLw==, figureFileBig=hg7tEYO7yTqRQ2jcYqXyJw==, tableContent=null), ArticleFig(id=1218525117429239925, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图3, caption=
吊装工况下冲洗压力帽有限元模型, figureFileSmall=pea6W0bnRvYUJZNO5TSpLw==, figureFileBig=hg7tEYO7yTqRQ2jcYqXyJw==, tableContent=null), ArticleFig(id=1218525117517320314, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.4, caption=
Finite element model of flooding cap under impact condition, figureFileSmall=iBUgDWML6KkhydKZR1YhoA==, figureFileBig=z2uJwfBqPiRno0OG9acCWw==, tableContent=null), ArticleFig(id=1218525117613789312, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图4, caption=
冲击工况下冲洗压力帽有限元模型, figureFileSmall=iBUgDWML6KkhydKZR1YhoA==, figureFileBig=z2uJwfBqPiRno0OG9acCWw==, tableContent=null), ArticleFig(id=1218525117722841221, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.5, caption=
Finite element model of flooding cap underpressure testing condition, figureFileSmall=FmpPrx7KEYWa9GXURz1MfQ==, figureFileBig=ms4onEOy9KRjaPjXBMizFQ==, tableContent=null), ArticleFig(id=1218525117815115911, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图5, caption=
打压测试工况下冲洗压力帽有限元模型, figureFileSmall=FmpPrx7KEYWa9GXURz1MfQ==, figureFileBig=ms4onEOy9KRjaPjXBMizFQ==, tableContent=null), ArticleFig(id=1218525117919973517, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.6, caption=
Finite element mesh model of each part of flooding cap under different working conditions, figureFileSmall=Xn2Ifw7nNOlWYtJ9q0ZFIQ==, figureFileBig=BsmXTWMmyxIqJ2xRjZAaVQ==, tableContent=null), ArticleFig(id=1218525118033219732, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图6, caption=
不同工况下冲洗压力帽各部件有限元网格模型, figureFileSmall=Xn2Ifw7nNOlWYtJ9q0ZFIQ==, figureFileBig=BsmXTWMmyxIqJ2xRjZAaVQ==, tableContent=null), ArticleFig(id=1218525118142271640, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.7, caption=
Applied loads of lifting condition, figureFileSmall=ZwRCtgIwJQjaDu3dFip1NA==, figureFileBig=ZVvRtwZOW5kNE43PPFffDA==, tableContent=null), ArticleFig(id=1218525118238740640, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图7, caption=
吊装工况载荷施加, figureFileSmall=ZwRCtgIwJQjaDu3dFip1NA==, figureFileBig=ZVvRtwZOW5kNE43PPFffDA==, tableContent=null), ArticleFig(id=1218525118423290015, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.8, caption=
Applied loads of impact condition, figureFileSmall=gnNZXbyMDDh8LUhds6IXIg==, figureFileBig=cjhi6JGC+9hisRnEwEbNFQ==, tableContent=null), ArticleFig(id=1218525118523953318, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图8, caption=
冲击工况载荷施加, figureFileSmall=gnNZXbyMDDh8LUhds6IXIg==, figureFileBig=cjhi6JGC+9hisRnEwEbNFQ==, tableContent=null), ArticleFig(id=1218525118641393834, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.9, caption=
Boundary setting of pressure testing condition, figureFileSmall=UyA53spOyRv66+M/mwcU8w==, figureFileBig=fmkEplQdTfJy6gRU/IgOrg==, tableContent=null), ArticleFig(id=1218525118754640047, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图9, caption=
打压测试工况边界条件设置, figureFileSmall=UyA53spOyRv66+M/mwcU8w==, figureFileBig=fmkEplQdTfJy6gRU/IgOrg==, tableContent=null), ArticleFig(id=1218525118859497652, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.10, caption=
Applied loads of pressure testing condition, figureFileSmall=19K889/mU0P5UzyjSTRWSQ==, figureFileBig=Bd/3rn6PHz9NzW++9dZGtw==, tableContent=null), ArticleFig(id=1218525118943383736, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图10, caption=
打压测试工况载荷施加, figureFileSmall=19K889/mU0P5UzyjSTRWSQ==, figureFileBig=Bd/3rn6PHz9NzW++9dZGtw==, tableContent=null), ArticleFig(id=1218525119031464123, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.11, caption=
Von Mises stress plot of pad eye at time step 0.171 8, figureFileSmall=IUc/njGKEb+sbpenjKvCfg==, figureFileBig=a6oGijwyB1dcCyxcafagmg==, tableContent=null), ArticleFig(id=1218525119136321728, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图11, caption=
载荷时间步0.171 8时吊耳Von Mises应力分布云图, figureFileSmall=IUc/njGKEb+sbpenjKvCfg==, figureFileBig=a6oGijwyB1dcCyxcafagmg==, tableContent=null), ArticleFig(id=1218525119253762245, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.12, caption=
Von Mises stress plot of flooding cap under lifting condition, figureFileSmall=dtgyqhwwTukCpAvKeevdBg==, figureFileBig=o2PcNYmB3Fc/Ng7W6UQx/w==, tableContent=null), ArticleFig(id=1218525119346036937, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图12, caption=
吊装工况冲洗压力帽Von Mises应力分布云图, figureFileSmall=dtgyqhwwTukCpAvKeevdBg==, figureFileBig=o2PcNYmB3Fc/Ng7W6UQx/w==, tableContent=null), ArticleFig(id=1218525119455088848, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.13, caption=
Graph of internal energy VS kinetic energy under impact condition, figureFileSmall=Q5+gma0vf8Tb/+nYexX0fA==, figureFileBig=g+jr+PigWgjw9NlyD0nkYQ==, tableContent=null), ArticleFig(id=1218525119555752150, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图13, caption=
冲击碰撞时吸收的内能与动能的关系图, figureFileSmall=Q5+gma0vf8Tb/+nYexX0fA==, figureFileBig=g+jr+PigWgjw9NlyD0nkYQ==, tableContent=null), ArticleFig(id=1218525119648026844, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.14, caption=
Von Mises stress plot of flooding cap at time step 0.023 82 under impact condition, figureFileSmall=1HVHAmv4rRCrDeOKS6LtmA==, figureFileBig=QFMIpgqvmf7P0YANWcW0xA==, tableContent=null), ArticleFig(id=1218525119761273058, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图14, caption=
冲击工况下载荷步时间为0.023 82时整体Von Mises应力分布, figureFileSmall=1HVHAmv4rRCrDeOKS6LtmA==, figureFileBig=QFMIpgqvmf7P0YANWcW0xA==, tableContent=null), ArticleFig(id=1218525119853547752, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.15, caption=
Von Mises stress plot of flooding cap under pressure testing condition, figureFileSmall=uPRWW1PQv2H7tbrct9MtVA==, figureFileBig=N/7QrONJVr7qKTp8R+4N4A==, tableContent=null), ArticleFig(id=1218525119945822447, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图15, caption=
打压测试工况下冲洗压力帽毂应力云图, figureFileSmall=uPRWW1PQv2H7tbrct9MtVA==, figureFileBig=N/7QrONJVr7qKTp8R+4N4A==, tableContent=null), ArticleFig(id=1218525120038097138, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Fig.16, caption=
Site installation of flooding cap in a gas field in South China Sea, figureFileSmall=5fc12HxDZuQCCnXk8aLqYw==, figureFileBig=6uoaCQga/IEiBKY8G2iQmA==, tableContent=null), ArticleFig(id=1218525120159731960, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=图16, caption=
南海陵水气田冲洗压力帽现场安装情况, figureFileSmall=5fc12HxDZuQCCnXk8aLqYw==, figureFileBig=6uoaCQga/IEiBKY8G2iQmA==, tableContent=null), ArticleFig(id=1218525120268783869, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Table 1, caption=
Material physical property parameters of the flooding cap in the Lingshui gas field of the South China Sea
, figureFileSmall=null, figureFileBig=null, tableContent=
| 部件 | 材料 | 杨氏模量/GPa | 泊松比 | 屈服强度/MPa | 抗拉强度/MPa |
| 结构、顶板、吊耳 | S355钢(40<t<63) | 202.35 | 0.30 | 335 | 450 |
| 毂 | F65(65K)合金钢 | 200.35 | 0.31 | 450 | 535 |
| 螺栓螺母 | L7合金钢 | 204.30 | 0.30 | 725 | 860 |
), ArticleFig(id=1218525120373641475, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=表1, caption=
南海陵水气田冲洗压力帽各部件材料物理特性参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 部件 | 材料 | 杨氏模量/GPa | 泊松比 | 屈服强度/MPa | 抗拉强度/MPa |
| 结构、顶板、吊耳 | S355钢(40<t<63) | 202.35 | 0.30 | 335 | 450 |
| 毂 | F65(65K)合金钢 | 200.35 | 0.31 | 450 | 535 |
| 螺栓螺母 | L7合金钢 | 204.30 | 0.30 | 725 | 860 |
), ArticleFig(id=1218525120491081990, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=EN, label=Table 2, caption=
Mesh details of each part of flooding cap under different working conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 载荷工况 | 部件 | 单元类型 | 节点数 | 单元数 |
| 吊装工况 | 吊耳 | C3D8R | 89 536 | 81 284 |
| 钩环 | C3D8R | 21 021 | 18 544 |
| 上顶板 | C3D8R | 29 640 | 21 435 |
| 上顶板本体 | C3D8R | 33 204 | 23 919 |
| 总计 | | 173 401 | 145 182 |
| 冲击工况 | 吊耳 | C3D8R | 268 608 | 243 852 |
| 上顶板 | C3D8R | 29 640 | 21 435 |
| 上顶板本体 | C3D8R | 33 204 | 23 919 |
虚拟卡箍冲洗 压力帽和毂 | C3D8R | 71 135 | 64 983 |
| 法兰 | C3D8R | 10 032 | 6 666 |
| 导向结构 | C3D8R | 61 608 | 42 264 |
| M20螺栓 | C3D8R | 11 940 | 8 565 |
| M16螺栓 | C3D8R | 6 804 | 4 800 |
| M20螺母 | C3D8R | 5 400 | 6 000 |
| 总计 | | 498 371 | 422 484 |
| 打压测试工况 | 毂 | C3D8R | 222 009 | 201 946 |
| 总计 | | 222 009 | 201 946 |
), ArticleFig(id=1218525120704991503, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149780469576851817, language=CN, label=表2, caption=
不同工况下冲洗压力帽各部件网格节点和单元数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 载荷工况 | 部件 | 单元类型 | 节点数 | 单元数 |
| 吊装工况 | 吊耳 | C3D8R | 89 536 | 81 284 |
| 钩环 | C3D8R | 21 021 | 18 544 |
| 上顶板 | C3D8R | 29 640 | 21 435 |
| 上顶板本体 | C3D8R | 33 204 | 23 919 |
| 总计 | | 173 401 | 145 182 |
| 冲击工况 | 吊耳 | C3D8R | 268 608 | 243 852 |
| 上顶板 | C3D8R | 29 640 | 21 435 |
| 上顶板本体 | C3D8R | 33 204 | 23 919 |
虚拟卡箍冲洗 压力帽和毂 | C3D8R | 71 135 | 64 983 |
| 法兰 | C3D8R | 10 032 | 6 666 |
| 导向结构 | C3D8R | 61 608 | 42 264 |
| M20螺栓 | C3D8R | 11 940 | 8 565 |
| M16螺栓 | C3D8R | 6 804 | 4 800 |
| M20螺母 | C3D8R | 5 400 | 6 000 |
| 总计 | | 498 371 | 422 484 |
| 打压测试工况 | 毂 | C3D8R | 222 009 | 201 946 |
| 总计 | | 222 009 | 201 946 |
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