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1、IOPConferenceSeries:EarthandEnvironmentalSciencePAPER•OPENACCESSCouplingvibrationresearchonVehicle-bridgesystemTocitethisarticle:JiguoZhouandGuihuaWang2018IOPConf.Ser.:EarthEnviron.Sci.108022021Viewthearticleonlineforupdatesandenhancements.ThiscontentwasdownloadedfromIPadd
2、ress183.158.90.254on06/08/2018at10:04ESMA2017IOPPublishingIOPConf.Series:EarthandEnvironmentalScience1234567890108(2018)022021doi:10.1088/1755-1315/108/2/022021CouplingvibrationresearchonVehicle-bridgesystemJiguoZhou1,2,GuihuaWang21SchoolofTransportationEngineering,Shenyan
3、gJianzhuUniversity,Liaoning,Shenyang110168,China2SchoolofCivilEngineering,BaichengNormalUniversity,Jilin,Baicheng137000,China*Correspondingauthore-mail:zhoujiguo_1986@126.comAbstract.Thevehicle-bridgecouplingsystemformswhenvehiclerunningonabridge.Itwillgeneratearelativelyl
4、argeinfluenceonthedrivingcomfortanddrivingsafewhenthevibrationofthevehicleisbigger.Athree-dimensionalvehicle-bridgesystemwithbiaxialsevendegreesoffreedomhasbeenestablishinthispaperbasedonfinitenumericalsimulation.Adoptingthefiniteelementtransientnumericalsimulationtorealiz
5、ethenumericalsimulationofvehicle-bridgesystemcouplingvibration.Then,analyzethedynamicresponseofvehicleandbridgewhiledifferentnumbersofvehiclesrunningonthebridge.Gotthevariationruleofverticalvibrationofcarbodyandbridge,andthatofthecontactforcebetweenthewheelandbridgedeck.Th
6、eresearchresultshaveareferencevaluefortheanalysisaboutthevehiclerunningonalarge-spancabledbridge.1.IntroductionThecouplingvibrationofvehicle-bridgesystemwhilevehiclerunningonthebridgewillgeneratearelativeinfluenceonthedrivingsafety,runningcomfort,andthesafetyofbridgestruct
7、ureitself.Especiallyforthelargecouplingvibrationofvehicle-bridgesystem,itwillcausetheseriousconsequenceswhilevehiclerunning.Mostoftheearliestanalysisareonthebasisthedifferentialequationofthewholesystemforthevehicle-bridgecouplingvibration,andthenapplytheanalyticmethodtosol
8、ve.Thehigh-speedvehicleswillgeneratecertainimpactonstructure,whichwillaffectthestructurew
