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最近用openfoam 计算S809翼型的流场,但是得到的表面压力系数与与实验数据差距较大,请求各位大神的帮助。
计算采用simpleFoam,湍流模型kOmegaSST。
下面是翼型周围网格和一些设置,首层网格高度0.000005 边界条件: U p 离散格式: 求解器
计算结果 速度流场: 压力场
速度场和压力场云图看起来问题不大,但是表面系数与实验差别较大: