基于变密度法的柔性机构拓扑优化设计与其后处理方法-研究

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1、华中科技大学硕士学位论文Thirdly,focusonthepoormanufacturabilityofthetopologyoptimizationresultofSIMP,thispaperpresentsapost-processingmethodbasedonPLSM,whichusedtoprocesstheoptimizationresultsobtainedbySIMP.Thispost-processingtechniquecaneliminatetheintermediatedensityunitandz

2、igzagfeatures,soitenhancesthestructuralmanufacturability,ontheotherhand,ithelpstooptimizetheweakareassuchasone-nodeconnectedhinges.Thevalidityandsuperiorityofthepost-processingareverifiedbytwonumericalexamples.Finally,thefullpaperissummarizedandfurtherresearchdirec

3、tionsareproposed.Keywords:TopologyOptimization;SIMPMethod;ParameterizationLevelSetMethod;CompliantMechanism;PostProcessingIII华中科技大学硕士学位论文目录摘要...............................................................................................................IAbstract....

4、......................................................................................................II1.绪论1.1课题来源及研究目的..............................................................................11.2课题背景及研究意义......................................................

5、........................11.3国内外研究现状与分析..........................................................................21.4本文的主要工作与结构..........................................................................82.连续体结构拓扑优化相关基础理论2.1引言..........................................

6、..............................................................112.2连续体结构拓扑优化............................................................................112.3变密度法................................................................................................132.4优化准

7、则法............................................................................................172.5常见数值问题及解决方法....................................................................182.6水平集方法.............................................................................

8、...............222.7本章小结................................................................................................283基于SIMP法的柔性机构多目标拓扑优化方法3