多自由度系统固有频率的逐阶渐近求解法  

The Gradual Approximate Solution to Solve the Natural Frequencies for Multidegree-of-freedom System

作　　者：周一峰[1] 

机构地区：[1]长沙铁道学院数理力学系

出　　处：《长沙铁道学院学报》1993年第3期91-94,共4页Journal of Changsha Railway University

摘　　要：本文提出由低到高逐阶地用渐近消除余量的手段,计算多自由度系统的固有频率的简便算法.可求出全部固有频率,且可达所需之任意精度.运算时只需计算器.This paper presents a new gradual approximate method based on weighted residual method to solve the natural frequencies,for multidegree-of-freedom system.The method is quite simple and the examples show that it possesses the advantages of hi-gher accuracy, less computation and with calculator only needed.

关 键 词：自由度系统 固有频率 加权剩余法 

分 类 号：O32[理学—一般力学与力学基础]