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本文提出了一个在全息动光弹性瞬态平面应力问题中同时获得分离的等差线及等和线条纹并分解平面瞬态应力的方法。文中给出了框架在冲击荷载作用下不同时刻等差线及等和线的分离条纹图和某个截面不同时刻的动态应力分布。
In this paper, we propose a method to simultaneously obtain the isolated equidistant lines and equi-line fringes and to decompose the plane transient stress in the holographic photoelastic transient plane stress problem. In this paper, the separation streaks of equal-difference lines, equal-sum lines and the dynamic stress distribution at different moments of a section under different impact moments are given.