Fig. 1 The staggeredmesh of the shallow water equation . The abscissa is axis. The ordinate is the time.
图1 蛙跳格式的浅水方程的网格形式，横坐标为轴，纵坐标为时间。
2
The study puts forward the precision difference solution to elastic wave equation, using staggeredmesh random even rank, and formula for tilted contact surface's refraction blind zones.