The spatial flux terms are discretized by using central difference scheme and the time integration is performed by using explicit scheme in the flow solver.
流场求解时采用中心差分的有限体积方法对空间通量项进行离散，采用显式推进方法进行时间方向的积分。
The convection term is discretized with upwind-central difference scheme, while the pressure equation is solved by SOR.
对流项用迎风—中心差分格式模拟，压力方程用SOR法迭代求解。
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