輪胎振動與噪聲試驗(yàn)和理論研究.pdf

1、同濟(jì)大學(xué)博士后士學(xué)位論文輪胎振動與噪聲試驗(yàn)和理論研究姓名：葛劍敏申請學(xué)位級別：博士后士專業(yè)：物理學(xué)指導(dǎo)教師：王佐民2001.3.1同濟(jì)大學(xué)上海華誼集團(tuán)博士后研究工作報告內(nèi)容摘要AbstractTheexperimentalsystemandmethodoftirecaseand臼朗dD撒ef璐blockdeformationisdevelopedundertheradiaLtangentialandsideforcesatfirstTh

2、emodalexperinaentsystemoftireisbuiltTiremodalparameters，defonmlionoftirecaseandtreadpatternsandcontactpatternsareme嬲ure&Theyaleappliedtodredcs細(xì)andtire(orvehicle)simulationssuccessfial]yThedevelopmentcycleofnewproductsiss

3、hortertTirenoisegenem6ngmechanisms，noisemeastnrementandevaluationmethodsarestudiedThesimulationofthevehiclesystemiscarriedoutSolutiotispresentedinthisthesisCallbe$tlmmariz甜asfollows：●ComparisonofTireE)刪蛐l(wèi)resul坦andFEA(ort

4、iredesign)indicatelhatFEA(ortiredesign)areCOITectorerror●The瑚dialload(areaofcont8ctsurface)tangentialforceandsideforcein]蜥onpresslmetreadpatternandc鋤=cassn麟缸1fh聆nceonfiremodal●TheZwickersoundlevelisasuitableclit融)nforobi

5、ectivetirenoiseevaluationbecauseitsresultiswellfittedtothatofsubiectivetirenoiseevahatiorL●Vwaveformweargeneratingmechanismsaretireshimmyandselfexcitedvl岫tionunderahighsliDMeasurestocorgrolIbeseWexcitedv1]施ation：tiresl如a

6、ndbreakawaytireandwheelalignmentp￡瞄m慨tireuniformityplessureoftirecontactetc●Tireuniformitytests躺carriedoutTireuniformitymadqualityofprodl戚onaffectedbytiretechnologicalprocessThere蜥onshipbetweenridei；)omfortandTiretmiform

7、ityisstudiedbysimulation●Thedeformationoftirecaseandcontactpatternscanindicate也actiredesignsaleconect●FormingMechanismandApplicationofEffectiveRoughnessisanalyzedKeywords：TireTreadPatlems，ModalNoiseDeformationSelfexcited