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在某些湍流模型中,需要计算指向壁面的面矢量,OpenFOAM提供几种计算方法,但这些方法还需要进行详细的测试。
比如对于下面的2D管道,下图是采用meshWave方法计算的指向壁面的面矢量,可见是正确的。
meshWave
下图是采用Poisson方法计算的指向壁面的面矢量,管道中心的指向壁面的面矢量是错误的。
Poisson