基于虚拟试验技术的汽车侧面碰撞安全性研究

《基于虚拟试验技术的汽车侧面碰撞安全性研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、湖南大学硕士学位论文基于虚拟试验技术的汽车侧面碰撞安全性研究姓名：范体强申请学位级别：硕士专业：车辆工程指导教师：张维刚20070320基于虚拟试验技术的汽车侧面碰撞安全性研究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湖南大学学位论文原创性

8、声明本人郑重声明：所呈交的论文是本人在导师的指导下独立进行研究所取得的研究成果。除了文中特别加以标注引用的内容外，本论文不包含任何其他个人或集体已经发表或撰写的成果作品。对本文的研究做出重要贡献的个人和集体，均已在文中以明确方式标明。本人完全意识到本声明的法律后