摘要
行波法从弹性波动的观点描述振动在结构体中的传播,是研究弹性结构动力学问题的有效方法之一。在机械动力学计算和控制中,由于其数学表达的精确性和简洁性,因此行波法日益受到人们的重视。介绍弹性结构中动力学行波建模的基本思想,给出行波动力学建模过程的基本要点,即运动方程、波模式及组装系统模型,总结近二十年来行波法在机械结构动力学、转子动力学和结构振动控制中的进展,并展望其应用前景。
Wave propagation describes a vibration motion in a structure on theory of solid elastic wave, and it is one of effectiveness methods for study a problem of elastic structure dynamics. Because of accuracy and simplify in the mathematic expression of wave propagation in the dynamic computation and control, wave propagation is increasingly the attention of people. Therefore, the basic concept of modeling of wave propagation is introduced for the elastic structure dynamics. The key points of modeling are stated, which include governing equation of motion, wave number and system model of assembling. Recent research and development have been summarized for mechanical structure dynamic, rotor dynamic and structural vibration control since two last decades.
出处
《机械强度》
CAS
CSCD
北大核心
2012年第6期791-797,共7页
Journal of Mechanical Strength
基金
国家自然科学基金重大研究计划资助项目(90716027)~~
关键词
行波法
结构动力学
转子动力学
振动及噪声控制
Wave propagation
Structural dynamic
Rotor dynamic
Vibration and noise control
