本文对周期波导中波传播与振动局部化的分析方法和计算结果可用于结构的优化设计。
The method and results in this paper for solving the problem of wave and vibration mode localization in periodic wave guide can be used in the optimum design of such kind of structure.
分析了叶片的失谐量和轮盘的转速对结构振动模态局部化的影响。
The effects of magnitude of blade disorder and disk rotating speed on the vibration mode localization are analyzed.
结果表明,失谐会导致系统的振动模态出现局部化现象。
It is indicated from the results that due to disorder the phenomenon of vibration mode localization appears in the system.
小波变换具有很好的时域和频域局部化特性,它对以非稳态振动为特征的信号提供了很好的分析手段。
Wavelet transformation possesses excellent properties of time-frequency localization and thus provides an effective means for analyzing signals characterized by unstable vibration.
以叶片—轮盘结构为例,研究了循环周期结构的振动模态局部化问题。
By taking example for bladed disk assembly, the localization of vibration mode in cyclic periodic structures is studied.
分析了叶片的失谐量、轮盘的转速以及围带的位置半径对叶片振动模态局部化的影响。
The influence of degree of disorder of blades, rotating speed of disk and position radius of shroud on the localization of vibration mode is analyzed.
基于弹性波传递矩阵方法,研究了失谐周期结构中弹性波与振动的局部化问题。
Based on the method of wave transfer matrix, the elastic wave and vibration localization in disordered periodic structures is studied.
小波变换具有很好的时域和频域局部化特性,为以非稳态振动为特征的信号提供了有效的分析手段。
Wavelet transform possesses excellent characteristic of time frequency localization, and provides an effective measure for analysing signal causing unstable vibration.
发生模态局部化现象时,振动能量集中于结构局部,容易造成结构破坏。
When happening, this phenomenon converges most vibrating energy into the local of structures, then leads to the failure of structures.
对失谐肋环形平面结构的振动模态局部化问题进行了研究。
The localization of vibration mode in mistuned rib-circle plane structures is prespented.
振动时效使残余应力峰值降低并得到均化的主要原因是材料内部微塑性变形的局部性。
Vibratory stress relief (VSR) can reduce the residual stress in component. The mainly cause is microcosmic plastic deformation of local region.
研究了某机简化模型线性振动的模态局部化现象,以及与此现象密切相关的频率曲线转向现象。
Chinese aircraft cnginccrs arc becoming intcrcsted in some strange localized vibration phenomena that occur during ground vibration test and flutter test: mode localization and frequency loci veering.
研究了某机简化模型线性振动的模态局部化现象,以及与此现象密切相关的频率曲线转向现象。
Chinese aircraft cnginccrs arc becoming intcrcsted in some strange localized vibration phenomena that occur during ground vibration test and flutter test: mode localization and frequency loci veering.
应用推荐