从应力边界条件推求应力函数

Deduce Stress Function by Stress Boundary Condition

对于矩形截面梁 ,提出了一种根据主要应力边界条件确定应力函数的方法 ,该方法克服了设定应力函数的盲目性 ,并通过例题说明了该方法的正确性及应用方法 ,对于弹性力学教学具有参考价值 .

A method to deduce stress function of rectangular beams ac cording to stress boundary condition is presented. The method eliminates the bli ndness in deducing stress function. An example is given to explain the accuracy of the method and direct the application process. The result is useful informati on for teaching of elasticity mechanics.