基于abaqus建模的轮胎接地性态分析

《基于abaqus建模的轮胎接地性态分析》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、基于ABAQUS建模的轮胎接地性态分析ModelingandcontactfeaturesinvestigationofradialtireutilizingABAQUSAbstractTirecontactsgroundwithacardsize,resultinginthecontactpatchandcontactpressure.Duetotheviscoelasticity,thecontactdistributionisasymmetric,whichaffectsthesafety,comfortabl

2、enessanddrivingperformanceofvehicle.Duetothecomplexityoftherubberandstructure,thefiniteelementmethodbecomesoneoftheimportanttoolsfortireresearch.Therefore,itissignificanttoinvestigatetheinfluenceoftirephysicalparametersoncontactfeatures,aimingatimprovingtheperf

3、ormanceoftire.Thecrosssectionoftirewasbuiltfirstintermsofthestructureandmaterialspropertiesoftire.Thenthetire3DFEmodelwasgriddedinthecommercialcodeHypermesh,andthenimportedintocommercialcodeABAQUSforloading,constrainingandpostprocessing.Fordescribingthetiremate

4、rialsmoreexactly,Mooney-Rivlinandrebarmodelwereemployedtosimulatetheultra-elasticrubberpropertyandrubber-cordthreadcompositematerial,respectively.Theexperimentwasconductedformeasuringcontactfeaturesinsteadystateconditions.Theinfluenceoftireinflationpressureandv

5、erticalloadontirecontactpatch,contactpressuredistributionanddeflectiondistancewereinvestigated.TheresultsoftheexperimentswerecomparedwiththatofFEmodels.Theasymmetricfactorwasdefinedtodescribethephenomenonofasymmetryforthecontactpressure.Andtheinfluenceoftirepar

6、ametersoncontactdistributionwasexplored.Thewarpingfactorwasdefinedtoanalyzethewarpingphenomenonofthetire.Andsimilarly,theinfluenceoftireparametersoncontactpressuredistributionwasinvestigated.Finally,anempiricalformulawaspresentedfordescribingthetire3Dcontactfea

7、turesbasedontheresultsofFEmodels.TheresultsofempiricalformulaandFEsimulationwerecomparedandareagreedwell.Thepaperprovidesamethodologyfordescribingthe3Dcontactfeatureseasily,forsavingthetimefortiremechanicalsimulationandfordescribingtirewearmoreprecisely.KeyWord

8、s：Tire，Contactfeatures，Asymmetricfactor，Warpingfactors，EmpiricalformulaII万方数据宁波大学硕士学位论文目录1绪论.................................................................................