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干船坞浮箱式坞门结构强度的有限元分析.docx

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干船坞浮箱式坞门结构强度的有限元分析 Title:FiniteElementAnalysisofStructuralStrengthforFloatingBox-typeDockGateofDrydock Abstract: Thestructuralstrengthofadrydock'sfloatingbox-typedockgateplaysacrucialroleinensuringthesafeandefficientoperationofthedrydock.Thispaperaimstoperformacomprehensivefiniteelementanalysis(FEA)ofthestructuralstrengthofadrydock'sfloatingbox-typedockgate.Thestudyincludesmodelingandanalysisofthedockgate'soverallbehavior,aswellasspecificcriticalsections,suchasthecornerjointsandhingemechanisms.TheFEAresultsprovideinsightsintothestructuralperformanceofthedockgateandcanassistinoptimizingitsdesigntoensureitsreliability. 1.Introduction: Thedrydock'sfloatingbox-typedockgateactsasabarriertoretainwaterwithinthedockduringtheship'srepairingandconstructionprocess.Itrequireshighstructuralstrengthandstabilitytowithstandvariousexternalforces,suchaswaveloadsandshipimpacts.Thispaperpresentsacomprehensiveanalysisofthedockgate'sstructuralstrengthusingfiniteelementanalysistechniques.Theobjectiveistoevaluatethestructuralperformanceundercriticalloadingconditionsandidentifypotentialareasforimprovement. 2.ModelDevelopment: ToconducttheFEA,a3Dmodelofthefloatingbox-typedockgateiscreatedusingappropriateCADsoftware.Themodelconsiderstheactualdimensions,materialproperties,andstructuralconnectionsofthedockgate.Specialattentionisgiventoaccuratelycapturingthecomplexgeometryofthecornerjointsandhingemechanisms,whichareknowntobecriticalsectionsregardingstressconcentrationandfatiguedamage. 3.MaterialPropertiesandBoundaryConditions: AccuraterepresentationofmaterialpropertiesisessentialforobtainingreliableFEAresults.Thematerialpropertiesofthedockgate,includingsteel,aredefinedbasedonexperimentaldataanddesignspecifications.Theboundaryconditionsconsiderthecontactwiththedockwall,waterpressure,andotheroperationalconditionsexperiencedbythedockgateduringitsservicelife. 4.StaticAnalysis: Astaticanalysisisconductedtoevaluatetheoverallstructuralbehaviorofthedockgateundertypicalloadingconditions.Theanalysisinclud