The distribution of stress in the fillet of a breech ring is studied in detail, making use of methods of finite element, boundary element and photoelasticity.

• 采用有限元、边界元和光弹性应力分析法,对圆角处的应力分布情况进行了详细的研究,其中较好而实用的圆角可使圆角处的最大切向应力降低20%25左右。