具有两个小参数的结构振动特征值问题的矩阵摄动法

A Matrlx Perburbation for Structural Vibration Eigenvalue with Two Small Parameteres

本文在具有一个小参数的结构振动特征值问题的矩阵摄动法的基础上，利用二元函数的幂级数展开公式，推导了具有两个小参数的结构振动特征值问题的一阶及二阶矩阵摄动公式，并分析了其计算效率。

This paper, ed tile basis of matrix perturbation of the structural vibrationeigenvalue with one small parameter, used the power series expanding formula ofone-iement function to derive one-order and two-order matrix perturbationformula of the structural vibration eigenvalue with two small parameters, andanalyzed its calculation efficiency