光塑性法应用──含椭圆孔板条的弹塑性应力、应变场分析

Application of Photoplasticity──The Analysis of the Fields of Elsastoplastic Stress and Strain of a Finite Plate with a Elliptical Hole under Tension

本文用光塑性法分析了含椭圆孔受拉板条的弹塑性应力、应变集中因子，给出了应力场、应变场、残余应力场、残余应变场以及塑性区形状的计算方法，讨论了存在的有关问题．本文研究结果可直接用于工程实际，效果满意．

In this paper, the elastoplastic stress and strain concentration factors in a finite plate with a elliptical hole under tension are analysed by photoplasticity.The calculating methods to determinate the fielots of stress, strain, residual stress,residual strain and elastoplastic boundaries are given,and the relevant problems are discussed.The results of this paper can be applied to the practice of engineering.