非线性转子动力学问题研究综述

Review of nonlinear rotor-dynamics

针对转子动力学中的非线性振动问题 ,综述了近年来国内外在该领域的主要研究成果和发展前景 .首先 ,对转子动力学中非线性振动的类型及旋转机械设计方法的现状进行了分析 ,阐述了进行旋转机械非线性转子动力学研究的必要性 .其次 ,综述了现代非线性动力学的理论分析方法及其在大型旋转机械应用方面、尤其是在转子轴承系统非线性振动方面近期国内外研究工作的主要成果和进展 .最后 。

The present status and the prospect of nonlinear vibration problem in rotor-dynamics is summarized and discussed. The types of the nonlinear vibration of rotordynamics and the design method of rotating machinery are analyzed and the essentiality of the study is expatiated. Besides, the recent main achievement and development at home and abroad about the nonlinear dynamics and its application to large rotating machinery, especially in the rotor bearing systems are summarized. At last, the trend of this research field is analyzed.