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1、湖南大學(xué)碩士學(xué)位論文基于虛擬試驗(yàn)技術(shù)的汽車側(cè)面碰撞安全性研究姓名：范體強(qiáng)申請學(xué)位級別：碩士專業(yè)：車輛工程指導(dǎo)教師：張維剛20070320基于虛擬試驗(yàn)技術(shù)的汽車側(cè)面碰撞安全性研究AbstractEveryyearvehicletrafficaccidentsleadtoalargenumberofcasualtiesandsocialpropertylossesaroundtheworld,thusvehiclesafetyproblemshavebeenattachedgreatimportancebytheentireauto
2、motiveindustry.Accordingtovehicleaccidentsanalysis,thevehiclecollisioncanbemainlydefinedas4kindsmode-frontimpact,sideimpact,rearimpactandroll.Inthesideimpact,becauseofthesidestructure'sweakerdeformationenduranceandthevehiclehasweakerenergyabsorbingability,thepassenge
3、rwillsuffermuchmoreinjuryrisk.Sotheresearchonsideimpactisveryimportantforimprovingthecrashworthinessofmotorvehiclearoundcountry.Atfirst,thefundamentaltheoriesinstudyofcomputersimulationaredescribed.ThesideimpactsafetysimulationofonenativeHEvehiclewaschosentostudy.Acc
4、ordingtothecountryregulation,theMovingDeformationBarriermodelwasdevelopedandresearchedthemethodofadjustingthematerialparameters.Basedonthethree-dimensionalCADmodelofthevehicle,thefiniteelementsimulationmodelofthevehiclesidecrashhadbeenbuilt.Accordingtothecountrysidei
5、mpactregulation，thevehiclemodelwasimpactedbyMDBmodel.Theresultofcontrastingthesimulationandtherealcartestdataindicatestheaccuracyofthesimulationmodelandvalidatedthevirtualtestsimulationmethod.Atlastsomemeasureswhichcanenhancedthecrashworthinessofsidevehiclebodywerere
6、searched,developingtwooptimizationschemes:thecollocationformofsideimpactbarandadoptingHSSinsomepartsofBpole.Thesimulatedresultindicatethatthecollocationformofsideimpactbarhasalittleeffectfordevelopingthecrashworthinessofthevehiclesidebody,whileapplyingHSSinsomepartso
7、fBpolecanincreasethecrashworthiness.Themodelingmethodsandresearchresultsinthisthesisofferimportantreferencesforvehiclesideimpactcomputerstimulationstudyofourcountryautomotivecorporations.Keywords:Vehicle;Sideimpact;Crashworthiness;Virtualtest;SimulationIII湖南大學(xué)學(xué)位論文原創(chuàng)性
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