考慮動(dòng)載的非線性形狀優(yōu)化.pdf

1、Yl國(guó)16n1分羚：工區(qū)墨』壘UDCil：』蔓lzei!主l，gs，江≤艨表；學(xué)JlANGSUUNIVERSl丁Y密綴：碩士學(xué)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(xué)科專業(yè)：盎墮垂受型整主凼耋壺絲一一作者姓名：燴趄?yàn)g一指導(dǎo)教師：耄丞進(jìn)——～～二一答辯日期：三艘壘』上壓江蘇大學(xué)碩士學(xué)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