矩形截面梁受任意三次函数分布压力作用时应力函数的选取

The Selection of Stress Function in Beam of Rectangular Section Subjected to Polynomial Distributed Load with Third Order

根据弹性力学全逆解法,对矩形截面梁的主要边界上受三次多项式分布压力,提出了一个统一的应力函数模式,运用此应力函数可以求解矩形截面梁受任意三次多项式分布载荷时的应力分量。该方法简单、实用,克服了选择应力函数的盲目性,在实际中有广泛的实用价值。

This paper introduces elastic mechanics beam; stress function inverse method. The function form of stress for beam of rectangular section subjected to polynomial distributed load with third order on major boundary is proposed. The stresses