应用最小余能原理确定变截面杆的固有频率(Ⅰ)——棱柱形悬臂杆

Natural Frequency of the Variable Section Determined Using Minimum Excess Principle

本文应用最小余能原理的理论和方法 ,对棱柱形悬臂杆进行动力分析 .具体地计算了楔体及平头楔体悬臂杆的固有频率 。

In this paper, the minimum excess principle and its method are used in dynamic analysis of wedge beam. The natural frequencies of wedge and top plate wedge beam are calculated in detail, and the effect of extrusion stress and shearing force in variable section deep beam on the natural frequency is discussed.