考慮動載的非線性形狀優(yōu)化.pdf

1、Yl國16n1分羚：工區(qū)墨』壘UDCil：』蔓lzei!主l，gs，江≤艨表；學JlANGSUUNIVERSl丁Y密綴：碩士學位論文MASTER’SDISSERTATl0N論文題目：差氛垃鹽數(shù)主l緩峻盈壘基、優(yōu)化學科專業(yè)：盎墮垂受型整主凼耋壺絲一一作者姓名：燴趄瀏一指導教師：耄丞進——～～二一答辯日期：三艘壘』上壓江蘇大學碩士學位論文AbstractInshapeoptimizationwithfatigueloadinganalysi

2、s，mostoftheresearcheshave函eu辯dontheelasticstructureproblemsOnlyafewresearcheshavedevotedtothenonlinearmaterialstructureBecausenonlinearmaterialstructaralanalysisismoredifficultthanlinearstructuralanalysis，designingmechan

3、icalcomponentsbasedonalinearstructureistooconservativeforfatigueloadanalysis。VFi魄。啦consideringthenonlinearbehaviorofmaterialsmlcturatsafetycannotbecompletelyevaluatedInfactnearlyanymachineparthasadynamicloadandcartfailin

4、mostcasesthroughfatigue。Manystudieshavere霉onamendedastaticshapeoptimizationbasedontheminimizationofmaximumstresstoimprovethemachinelifetimeInthisstudyshapeoptimizationtechniquesweredevelopedforobtaininga／ightweightstruct

5、uraldesignunderfatigueloads，Thenonlinearmaterialstructurewithad)mamicloadisconsideredforshapeoptimizationFirst，thearticlereviewsthehistorydevelopmentandprocessofthestructuraloptimizationdesignThenintroducesthe爨e建婚i瓤andth

6、eoriesusinginoptimizationdesignOtherwise，thearticlediscussestheimpactofthefatiguetothemechanicsanalysisandoptimization，Also，theaNdediscussesthenonlinearanalysismethodNewtonRaphsontheoryandtheapplicationofNewtonRaphsonino

7、ptimizationdesignindetailATlast，twodifferentnonlinearstructuresareproposedinthisthesisAndsolveaproblemofuniversalcrossfracture，Simulationresultsshowedthatshapeoptimizationcouldeffectivelyreducethematerialvolumeunderafati