摘要
从三维弹性力学的基本原理出发,论证了对称变截面杆弯曲振动的 Timoshenko方程的正确性,并讨论了它的适用范围.
Timoshenko equations for the flexural vibrations of bars with non-uniform cross section are deduced from three-dimensional elasticity theory,and the range of their validity is discussed.
出处
《陕西师大学报(自然科学版)》
CSCD
1990年第4期21-25,共5页
Journal of Shaanxi Normal University(Natural Science Edition)
关键词
对称变截面杆
弯曲振动
微分方程
Timoshenko equations
constant thickness
wave numbers