飞机起落架关键零件强度-分析与结构优化

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1、rodsafetyfactortopologyoptimizationwascarriedouttoremovethematerial,thefirst50%oftherodmaterialremovalconductedthetrial,theresultsofstrengthseriouslyweakened,doesnotmeettherequirements,thenreducematerialremovaltherelationshipbetweentheproportionofre-optimizetheremovalofmaterialdrawnt

2、rolleyintensityratiobetweenthecurves,curvefinalizedbyanalyzingthematerialremovalratioof20%;topologyoptimization,theuseofCATIAsoftwareforaccuratemodeling,importANSYSWorkbenchagainsoftwarestrengthcheck,andultimatelydeterminethesizeoftheoptimized22cross-section,thecross-sectionalareafro

3、mtherod1785mminto1455mm,qualitythantheoriginal18.6%decreaseintheuseofconditionsaremet,toachievethepurposelightweightdesign.Keywords:landinggear,struts,brakelevers,strengthanalysis,structuraloptimization目录第一章绪论...........................................................................

4、......................................................................11.1引言.................................................................................................................................................11.2工程背景与研究意义..................................................

5、....................................................................21.3起落架的结构和特点......................................................................................................................31.4国内外发展现状..........................................................................

6、....................................................31.4.1国外研究动态.......................................................................................................................31.4.2国内研究动态.........................................................................................

7、..............................41.5研究内容和研究方法......................................................................................................................51.5.1研究内容.................................................................................................................

8、............