二维不可压缩黏性流体泊松流动问题的数值解与计算程序，二维泊松流动问题是有解析解的二维不可压缩黏性流动。对它采用算法和压力迭代解法进行数值求解。(The numerical solution and calculation program for the two dimensional incompressible viscous fluid Poisson flow problem, the two-dimensional Poisson flow problem is a two-dimensional incompressible viscous flow with analytical solutions. It is solved numerically by using algorithm and pressure iteration method.)