【摘要】 应用最小余能原理的理论和方法,对Timoshenko梁进行动力分析.计算了对称截面粱在不同边界条件下的高阶固有频率,讨论了转动惯量及剪切变形效应对各阶固有频率的影响.更多还原

【Abstract】 In this paper, the minimum excess principle is used in dynamic analysis of Timoshenko beam. The high natural frequencies of symmetrical section beam with different constraints are calculated in detail, and effects of rotary inertia and shearing deformation are given.更多还原