基于CSR的VLCC船型设计与关键技术研究

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1、大连理工大学硕士学位论文基于CSR的VLCC船型设计与关键技术研究姓名：戴挺申请学位级别：硕士专业：船舶与海洋工程指导教师：黄一20080401戴挺：基于CSR的VLCC船型设计与关键技术研究StudyonVLCCDesignBasedonCSRandKeyTechnologiesAbstractTosatisfytherequirementofmaritimeorganizationandshipowners，IACSestablishedtheConLrnonStructuralRulesforOilTanker(CSR)，whichhasgoneintoeffectat1毗April

2、2006．Therulesarebasedontheconceptoftargetship，andhavecontainedtheexperienceandthenewestresearchresuItsofmembersOfIACS．Tohavegoodunderstandingandapplicationoftherules，somestudyweredoneinthispaperinwhicha29，800DWTVLCCofDSICWaSdesignedaccordingtherules．Maincontentsareasfollows：Calculationsofbowstruct

3、ures，sternstructures，cargoholdstructuresandmachineryspaceaccordingtherules：hullgirderbendingstrengthandshearstrength，bucklingstrength，fatiguestrength，ultimatestrength，scantlingofPSM，scantlingoflocalmembersandanalysisaboutslammingpressuresandimpactingload．5-7％steelweightincreasementwouldbebroughtto

4、thenewdesignforverylargetankersduetothestrictrequirementofCSR．thesteelweightincreasementanalysisWasdoneinthispaper．Toreducethesteelweight，hightensilesteelwasusedmorethanthatusedtobe．Twodifferentwayswereadvancedinthispapercorrespondingdifferentratioofhightensilesteel．Itisfoundthattheshearstrengthis

5、thekeyofthescantlingoflongitudinalbulkhead，thetheoryandbackgroundofshearcorrectionWasstudiedinthepaper．IntroducethetechnologyofFEManalysesinCSR，includingmodeling，loading，definitionofloadcasesandtheadjustmentofshearforceandbendingmoment．ResearchthetheoreticalbackgroundofFEManalysesaccordingtotheCSR

6、byuseofbasicmechanicsprincipleandtheequalwaveapproach．ResearchontlleadvancedbucklinganalysesinCSR．discussthemainimpactionsandthe也eoreticalbackgroundoftheadvancedbucklinganalyses．Giveabriefreviewofthetheoreticalbackground，designprinciplesandpurposeofPULS，whichisprocedurerecommendedbvIACStOassessthe

7、bucklingstrength．KeyWords：CSR；VLCCDesign．一II—独创性说明作者郑重声明：本硕士学位论文是我个人在导师指导下进行的研究工作及取得研究成果。尽我所知，除了文中特别加以标注和致谢的地方外，论文中不包含其他人己经发表或撰写的研究成果，也不包含为获得大连理工大学或者其他单位的学位或证书所使用过的材料。与我一同工作的同志对本研究所做的贡献均己在论文中做了明确的说明并表示了谢意。大连理工大学硕