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,theinfluencesofv

2、ariousparametersontheresponseareanalyzedandasolutionthatcanimprovethesystemrobustnesseffectivelyisgot.Intolerancedesign,orthogonalexperimentisextendedinordertoanalyzemultipleparameteruncertainty,whichprovidesaneffectivemethodforpracticaluncertaintyparametertolerancecontrol.Keyw

3、ords: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..................................................................11.2研究背景和意义.

4、.......................................................11.2.1研究背景..........................................................11.2.2研究意义..........................................................11.3本文的研究目标........................................................21.4国内外研究现状.........

5、...............................................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..............................................71.4.4非线性部件问题........................

6、............................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...........................101.5本文的内容安排.......................................................11

7、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...................................................132.3叶盘结构振动特性分析.................................................152.3.1叶盘结构有

8、限元模型及边界条件.....................................152.3.2叶