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-optimizetheremovalofmaterialdrawntr

2、olleyintensityratiobetweenthecurves,curvefinalizedbyanalyzingthematerialremovalratioof20%;topologyoptimization,theuseofCATIAsoftwareforaccuratemodeling,importANSYSWorkbenchagainsoftwarestrengthcheck,andultimatelydeterminethesizeoftheoptimizedcross-section,thecross-sectionalareafromtherod1785

3、mm2into1455mm2,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...........................................................................................................