SC6350白車身疲勞壽命臺架試驗(yàn)方法的研究.pdf

1、重慶大學(xué)碩士學(xué)位論文SC6350白車身疲勞壽命臺架試驗(yàn)方法的研究姓名：王攀申請學(xué)位級別：碩士專業(yè)：車輛工程指導(dǎo)教師：鄧兆祥20040420——苧奎塑量——————●————————J——————————一ABSTRACTBodyisthemostimportantcomponenttosupportthevehicle，anditisthebaseofthesuspension，chassisandaccessoriesMeanwhil

2、e，itisthekeycomponentofenduringthealternatingloadSotheintensionofbodyisveryimportantAtpresenttheestimatemethodsofbodyintensionarebenchtestandroadtestHowever，therehavenounitivecriterion，andthetestmethodswereestablishedbya

3、utomobilemanufactureswithabundantexperienceandlotIgtimeaccumulationTherefore，establishingtheowntestmethodsofbodyintensionisnecessarytodevelopmentofnewvehicleforautomobilemanufacturesThepurposeofthispaperistodrawsomeconcl

4、usionaboutbodybenchtestbycomparingthesimulationresultsbetweenbenchtestandroadtestanddirectstheestablishmentofthetestmethodInthepaperfirst，theauthorcalculatetheloadofsuspensiontothebodybymultibody—dynammsoftwareADAMS；then

5、calculatethestresscontoursandfatigueofbody；simulatethevehiclerunningontheroadbyLSDYNAandcalculatethestresscontoursandfatigueofbody；finallycomparethesimulationresultsbetweenbenchtestandroadtestanddrawconclusionoftestmetho

6、dFromtheresearch，afewimportantregulationandconclusionaboutconstrainlocmion，loaddistribution，valueandfrequencyofbodyintensionbenchmethodsItisbenefittoestablishbodyintensiontestandevaluatingsystemKeywordstFiniteElementMeth