The vorticity equation was first established and the characteristics of vortex motion in two-dimensional shallow-water flows was analyzed, and then discrete vortex method (DVM) was briefly described.

• 导出了二维浅水流动的涡动方程与速度环量的随体导数表达式，以此为基础，分析了二维浅水流动中旋涡的动力学性质；