非线性转子动力学的研究现状与展望

综述了国内外非线性转子动力学的研究现状，讨论了非线性转子动力学研究中所存在的问题，概括了非线性转子动力学的发展趋势为：转子－转承系统的油膜非线性特性及其稳定性问题的研究：多自由度非线性动力学理论及非线性动力学数值分析方法的研究；转子－轴承系统非线性参数识别、建模和重构；高维非线性动力系统的降维方法的研究；非线性动力响应及耦合问题；转子－轴承－基础系统的非线性学稳定性的灵敏度分析、非线性稳定性裕度及

Present Status and Prospect of Non-linear Rotor Dynamics

This paper summarizes the present status of non-linear rotor dynamics and discusses the problems with non-linear rotor dynamics and points out the following are the trend of research: study on oil film non-linear charac-teristic and stability of rotor-bearing system; Multi-Degree of Freedom non-linear dynamics theory and Numericalanalysis method; recognition.modeling and constituhon of non-linear Parameter for rotor-bearing system; reducingdimension method for high dimensional non-linear dynamical systems; non-linear dynamical response and couplingproblem; sensitivity analysis of non-linear dynamics stability for rotor-bearing system, non-linear stability marginand criterion; optimization design etc.