内燃机与配件www.nrjpj.cn基于Abaqus的摩托车车架耐久性分析与优化洪洋1,方建成2(1.台州科技职业学院机电与模具工程学院,浙江台州318020;2.台州市集英农林科技有限公司,浙江台州317000)摘要:针对某摩托车车架在耐久性试验中断裂的问题,对某摩托车车架在三种工况下进行有限元分析和耐久性考核。对某两轮踏板型摩托车车架,使用ANSA软件进行模型简化与网格划分,在Abaqus软件中对行业标准中前轮水平、后轮垂直、副乘座垂直三种加载工况进行有限元模型构建,对三种工况下的应力值和应力幅进行有限元分析,根据S-N曲线进行耐久性考核,分析结果提出结构优化方案,并制作样件进行试验验证。研究结果表明:基于Abaqus的摩托车车架有限元分析可有效预测车架在三种加载工况下的应力值与应力幅,结合S-N曲线可预测车架耐久性,说明基于Abaqus与S-N曲线的耐久性分析是可行的,可为摩托车车架的耐久性分析提供参考。关键词:Abaqus;摩托车车架;耐久性;分析与优化中图分类号:TH12文献标识码:A文章编号:1674-957X(2023)05-0017-03DurabilityAnalysisandOptimizationofMotorcycleFramebasedonABAQUSHongYang1,FangJian-cheng2(1.Collegeofelectromechanicalandmoldengineering,TaizhouVocationalCollegeOfScience&Technology,Taizhou318020,China;2.TaizhouJiyingAgroforestryTechnologyCo.,Ltd,Taizhou317000,China)Abstract:Aimingattheproblemofthemotorcycleframebreaksduringthedurabilitytest,thefiniteelementanalysisanddurabilityassessmentofamotorcycleframeunderthreeworkingconditionswerecarriedout.ANSAwasusedtosimplifythemodelanddividedthemeshoftwowheelpedalmotorcycleframe.Thefiniteelementmodelwasbuiltforthethreeloadingconditionsoffrontwheelhorizontal,rearwheelverticalandpassengerseatverticalinABAQUS.Thefiniteelementanalysiswascarriedoutforthestressvalueandstressamplitudeunderthethreeworkingconditions.ThedurabilitywascheckedaccordingtotheS-Ncurve,andthestructuraloptimi-zationschemewasproposedaccordingtotheanalysisresults,andmakesamplesfortestverification.There-searchresultsshowthatthefiniteelementanalysisofmotorcycleframebasedonABAQUScaneffectivelypredictthestressvalueandstressamplitudeoftheframeunderthreeloadingconditions.CombinedwiththeS-Ncurve,thedurabilityoftheframecanbepredicted,whichsh...
