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fluent LES模拟螺旋列板抑制涡激振动时高度0.1D和0.2D的螺旋列板升力系数幅值在0.1和0.15左右,但0.15D的螺旋列板的升力系数幅值却到了0.5。三个都是同样的网格划分与时间步,为什么差异会这么大?
请问各位,我在做Re=3900的三维圆柱绕流时发现升力系数和文献差不多,但阻力系数却一直在0.6附近,和文献中1.1差距很大,这是什么原因啊?