直向通過(guò)道岔時(shí)構(gòu)架動(dòng)應(yīng)力數(shù)值仿真的初步研究.pdf

1、北方交通大學(xué)碩士學(xué)位論文直向通過(guò)道岔時(shí)構(gòu)架動(dòng)應(yīng)力數(shù)值仿真的初步研究姓名：梁思遠(yuǎn)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：車輛工程指導(dǎo)教師：孫守光19990101AbstractApreliminarystudyondynamicstressof209HSbogie，sframeworkpassingaturnoutstraightiscarriedoutwithasimplifiedmodelofvehiclesystem，usingdigitalsim

2、ulationtechnology，andprovidesthebasisofthisdissertationThefundamentaltopicoftheresearchisthedynamicstressof209HSframeworkofbogieduetoverticalexcitationcausedbyrailtrack，whenpassingthefixedfrogofturnoutThestudycoversthree

3、aspectsin，ieapplicationofthefiniteelementsoftware(SAP)toanalysisvibrationmodalof209HSframeworkofbogie，andtobuildupasimplifiedmodelforframeworkofbogiewithapplicationoffiniteelementmethod，applicationofdynamicstheoryofvehic

4、lesystemandfiniteelementtheorytobuildupalinearmodelofvibrationsystemforhalfvehicle，applicationoftheoryofsystemsimulationandmodifiedNewmarkmethodtobuildupasimulationmodelofthevibrationsystemandtoimplementthenumericalsimul

5、ation，thentogetdynamicstressofframeworkandforceonframeworkOntheseplatforms，severalsimulationprogramsaredevelopedusingmodularprogrammingmethodintheWindows95environment，Theresultofthesimulationareingoodagreementwiththerele

6、vantonspotexperiment，whichprovetheapproachofthestudyisvalidatedtofeasible，promisingwonderfulprospectsofquantitativeanalysisofdynamicstresswjthamoredetailedmodelofframeworkandturnoutKeywords：frameworkofbogieturnoutfrogdyn