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模型sst k-w,Re=3900,Y+如图所示 ,计算域14D30DpiD ,实验值是cd=1.0左右,我的cd在1.1左右,但是cl实验值都在10的负一级别,我的cl都在10的负三级别,甚至负五级别,网格是已经达到300w了,为什么还是算不准,求解答!!
圆柱碰到计算与上下壁面那个地方需要加密吗,再在Oblock区域加密,圆柱体其他地方yplus就太小了,在纵向加密吗?
算不准大概率是网格问题,不仅仅是数量,还有质量,另外,系数值的获取是如何计算,自己手动计算还是直接通过软件监测?若通过软件监测,则需注意参考值的设定。