Open Access

表3

采用不同粗糙度网格的CFD结果对比

结果 网格数 CPU运行时间/s 升力系数Cl 阻力系数Cd 升力系数相对误差δCl/% 阻力系数相对误差δCd/%
实验[20] 0.727 0 0.012 2
A1 82 643 820 0.717 9 0.012 1 1.2 0.8
M1 54 841 430 0.744 2 0.012 6 2.4 3.3
M2 26 409 360 0.741 4 0.011 2 2.0 8.2
M3 13 195 300 0.444 1 0.018 2 38.9 49.2
A1收敛提前终止 82 643 80 0.605 0 0.012 8 16.8 4.9

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