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《基于雙向流固耦合的200升水箱結(jié)構(gòu)優(yōu)化》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、ABSTRACTABSTRACTABSTRACT：UnderslungwatertankcarriedbyEMUisanessentialpartanditCanguaranteethesupplyofdrinkingwateranddomesticwaterforpassengers．Therefore，it’Sextremelynecessaryandsignificanttoinsurethesafetyandreasonablesnuchlreofwatertank．W油thehighlyincreasespeed
2、ofEMU，theproblemofliquidsloshingbecomesmoreprominentduringtheacceleration,decelerationandbrakingofthetrain．Inordertoreducetheweightofthetankanddistributethetankstressreasonably，it’Smoreandmorenecessarytooptimizethesnuctureofthebaffleapertureandthetankthickness．Int
3、hispaper,takethe200LwatertankcardedbytheelectricmultipleunitsastheresearchobjectandstudythetankunderthestaticandacceleratingworkconditionbasedontheTwo—wayFSImethod．Andcompletetheoptimizationofwatertankbyusingtheoptimizationsoftware．Themainworkshavebeenfinishedasbe
4、low：(1)Establishthegeometricmodel．UsetheSolidWorkstobuildthetankstructureand3dmodelofthefluid．(2)Establishthefiniteelementmodel．UsetheHypermeshandICEMCFDsoftwaretomeshthestructureofsolidandfluidrespectively．(3)Setthesolidboundary．Setconstraintconditions，analysisty
5、peandboundaryconditionsofthesoliddomain，andthetwo-waycouplingoffluid—solidinteractioninHypermeshandANSYS．(4)Thedeformationofthegrid．SetthecontrolfieldofsolidandfluidgridrespectivelyintheSculptor，andcontrolthedeformationofsolidandfluidmeshbyusingcontrolpoints．Andre
6、alizetheautomaticallydeformationofgridbywritingfiles．(5)Setthefluidboundaryandtwo-wayfluid—solidinteraction．Setthefluidboundaryconditionsandtwo-wayfluid—solidinteractionplatforminCFXsoftware．(6)AnalysisthestaticstrengthofwatertankByusingANSYS，andanalysisthewaterta
7、nkundertheimpactloadconditionbasedontwo·-wayfluid--solidcouplingbyusingCFXandANSYS．(7)Analysistheoptimizationofthewatertankstructure．Accordingtothedesignvariables，constraints，objectivefunctionsandthemulti—objectiveoptimizationalgorithm，finishtheopfimizationofwater
8、tankbasedontwo-wayfluid—solidinteraction．Andthentheoptimalsolutionandtheoptimaldesignparametersareobtained．Theoptimizationreduces11．2％weightofwaterdurin
