摘要
采用极限过渡法,从杆、梁差分离散系统刚度矩阵的符号振荡性导出相应系统格林函数的振荡性。
Applying a method of limit transition, we have come to the oscillatory properties of Green's functions of continuous systems from the sign oscillatory properties of stiffness matrices of discrete systems for a vibrating rod or beam.
出处
《力学学报》
EI
CSCD
北大核心
1997年第1期99-102,共4页
Chinese Journal of Theoretical and Applied Mechanics
关键词
杆
梁
极限过渡
定性性质
振动
rod, beam, method of limit transition, qualitative properties