基于abaqus的子午线轮胎的非线性有限元分析

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1、ABSTRACTInthispaper,thefiniteelementanalysisoftwokindsofradialtiresaleconductedbynonlinearfiniteelementsoftwareAB,久QUS．Duringthemodelingprocess，thegeometricnonlinearity,materialnonlinearityandtireandroadsurfacenonlinearfactorsofthetirestructurealefullytakenintoaccount．Tw

2、o-dimensionalaxismetricfiniteelementmodelandthree．dimensionalfiniteelementmodeloftheradialtirewasestablished．RubbermatrixmaterialwassimulatedbyMooney—Rivlinmodelmaterialduringthemodelingprocessandreinforcedmaterial、析廿lthebeltcordlayerwassimulatedbystiffenermodelrebarunit

3、．Inthispaper,theinflationofradialtirewassimulated,thedeformationunderinflatedcondition,stressandstraindistributionoftireⅥ，盯ethefullyanalyzed．ThesimulationofgroundingprocessofthetireunderstaticverticalloadsWaSconducted，fullyanalyzedverticalloaddeformation,stressandstraind

4、istributionofthetire．Finally,onthebasisoftheverticalloadofthetire，thepapersimulatedthesteadyrollingprocess，analyzedthecontactbetweentireandroadsurfaceandthechangesofthestressdistributionaswell鹤sinkageoftireunderdifferentspeeds．Thestudyfoundthattheanalysisresultsofinflata

5、bleconditionsandthetirecontactwimtheroadsurfaceintheverticalloadsreflectthea13tllalsituation．Analysisresultsofthestressdistributi011andsubsidenceofthetireismol'econsistentwiththeliterature．Therefore，themodelinthispaperisreasonable，anditcanprovideareferellCeforthetirestru

6、cturedesignandevaluationoftireperformance．KEYWORIOS：abaqus；radialtire；areation；vertcalload；steadyrolling1．．一目录第一章绪论⋯⋯．．⋯．．⋯⋯．⋯⋯⋯⋯⋯⋯⋯．．．⋯11．1论文选题的目的和意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．11．2轮胎理论的研究发展历程⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．21．3国内外研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．31．4本论文主要研究思路和主要内容⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯．7第二章非线性有限元分析的基本理论．⋯⋯．

7、．．．．．．．⋯⋯⋯．82．1变形体的运动描述及基本控制方程⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯82．1．1变形体的运动描述m1⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯82．1．2有限元方法的基础一基本控制方程⋯⋯⋯⋯⋯⋯⋯⋯82．2有限元法的基本概念及其原理⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯102．2．1有限元法基本概念⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．102．2．2有限元空间离散模型．一⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．112．2．3载荷与边界条件处理⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．132．3有限元分析的非线性理论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．142．3．1材料非线性有限元分析基本理论⋯⋯⋯⋯⋯⋯⋯⋯．

8、142．3．2几何非线性有限元分析基本理论⋯⋯⋯⋯⋯⋯⋯⋯．152．3．3接触非线性有限元分析基本理论⋯⋯⋯⋯⋯⋯⋯⋯．162．3．4非线性方程求解⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯182．4接触算法及接触力计算Ⅲ