車輛與軌道的橫向相互作用分析.pdf

1、西南交通大學(xué)碩士學(xué)位論文車輛與軌道的橫向相互作用分析姓名：王開云申請學(xué)位級別：碩士專業(yè)：車輛工程指導(dǎo)教師：翟婉明2000.4.1西南交通大學(xué)研究生學(xué)位論文AbstractBasedonthenewtheoryofvehicletrackcouplingdynamicsdevelopedbyProfeSSOrZhaiWanmingandthecouplingmodelofverticalandlateralvehicletrackesta

2、blishedinthereference14，thepaperpresentsmoreperfectcouplingmodelsofvehicletracktoaimattheimpracticalsituationthatvehiclesystemisseparatedfromtracksystemwhentheresearchonthedynamicresponseofrailwayvehiclejscarriedout，wher

3、ethehigh—speedpassengercariSconsideredasa35一DOFsystemandthethree—piecebogieffeightcaris47DOFsystemandthetrackmodeljsregardedasthecontinuousEluerbeamonelasticPointsupportsTTISIMeffectivecomputersoftware，iscompiledtosolvet

4、heproblemaswellInordertoverifythecouplingmodeIandtheTTISIMsoftwaremuchcomparisonjsperformedwiththeintemationalfamobssoftware(Sm但ACKlandfieldexperimentsComparedwithSn仰IACKmuchdifieFenceiSdiscoveredespeciallyinthefoFeebetw

5、eenwheelsandtracksThereaftercurvingperformanceandderailmentontangenttrackaresimulatedwiththeTTISIMsoftwareandtestedinfieldrespectivelyThecomparativeresultshowsthatitisgoodcorrelationbetweensimulationandexperimentSojtismu

6、chreliabletouseTTISIMsimulationsoftwareregardedasatooItoanalyzethedynamicresponseofrailwayvehiclesandtracksOnthebasis，contrasttoconventionalmodel，suchdynamicresponseascurvingandtangenttrackperformancearemadeoutinlightofc

7、ouplingmodelWhentherearetrackirregularitiesthesimulationofconventionalmodelisalittleconservativethanthecouplingmodel’sHoweveLthereisnodifferencebetweenthetwomodelswhenthereaFenottrackirregularitiesInfactthereareirregular

8、itiesexistingonrealtracksSoitismoreobjectivetoanalyzethedynamicresponseofrailwayvehiclesandtracksfromthepointviewofcouplingsystemInthesixthchapterwiththehelpofTTISIMsoftware，thedynamicresearchofhuntingstabilityandcurving

9、performanceisdoneindetailTimehistoriesdiagramandphaseplaneareappliedtoidentifyrealcriticalspeedbymeansofputtingcertainirregularitiesPSDontracksascanhelptocalculaterealcriticalspeedsofhighspeedpassengercarsandthreepiecebo