失谐叶盘振动特性分析与鲁棒优化设计

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1、南京航空航天大学硕士学位论文response.Theforcedresponsewillincreasewithstaggeranglemistuningerrors.Then,conceptsofrobustdesignandorthogonalexperimentareintroducedandtherobustdesignofmistunedbladeddisksusingTaguchimethodisdiscussed.Inparameterdesign,basedonorthogonalexperiment,the

2、influencesofvariousparametersontheresponseareanalyzedandasolutionthatcanimprovethesystemrobustnesseffectivelyisgot.Intolerancedesign,orthogonalexperimentisextendedinordertoanalyzemultipleparameteruncertainty,whichprovidesaneffectivemethodforpracticaluncertaintypara

3、metertolerancecontrol.Keywords:Mistunedbladeddisk,Robustdesign,Taguchimethod,Orthogonalexperiment,UncertaintyIII失谐叶盘振动特性分析与鲁棒优化设计IV南京航空航天大学硕士学位论文目录第一章绪论....................................................................11.1引言.......................................

4、...........................11.2研究背景和意义........................................................11.2.1研究背景..........................................................11.2.2研究意义..........................................................11.3本文的研究目标........................

5、................................21.4国内外研究现状........................................................21.4.1叶盘模型的建模....................................................21.4.2振动局部化........................................................51.4.3失谐灵敏度与优化问题..................

6、............................71.4.4非线性部件问题....................................................81.4.5叶盘失谐识别......................................................91.4.6气动弹性与颤振问题...............................................101.4.7多级叶盘、科氏力影响与叶盘——轴的耦合..................

7、.........101.5本文的内容安排.......................................................11第二章失谐叶盘振动特性分析....................................................132.1概述.................................................................132.2叶盘结构的数学模型....................................

8、...............132.3叶盘结构振动特性分析.................................................152.3.1叶盘结构有限元模型及边界条件.....................................152.3.2叶