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基于可压缩Ｎａｖｉｅｒ－Ｓｔｏｋｅｓ方程，采用Ｂｅａｍ－Ｗａｒｍｉｎｇ矢通量分裂格式以及ｖａｎＬｅｅｒ的矢通量分裂方法，分别通过Ｊｏｈｎｓｏｎ－Ｋｉｎｇ及Ｂａｌｄｗｉｎ－Ｌｏｍａｘ湍流模型对亚音速和超音速的后台阶流进行了计算，计算结果与实验符合较好。
Based on the compressible Navier-Stokes equations, subsonic and supersonic backstepping flows were calculated using the Beam-Warming vector flux splitting scheme and the van Leer vector flux splitting method respectively using the Johnson-King and Baldwin-Lomax turbulence models , The calculated results are in good agreement with the experiment.