斜激波在平面刚壁上反射问题是具有解析解的二维可压缩无黏流动问题。对它采用具有二阶精度 两步差分格式进行数值求解-Oblique shock reflection problem in the plane wall is just a two-dimensional analytical solution of compressible inviscid flow problems. It has a second order accuracy using a two-step numerical