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标准壁面函数是下面这样的 这样$\alpha_t$在粘性层应该是0,在惯性层应该用公式(17.109)计算,但是alphatWallFunction在边界处给定$\alpha_t = \frac{\mu_t}{Pr_t}$,这应该是流场内部的计算方法吧,这样的话壁面$y^+$应该放到多大?
看了下确实不是按照标准壁面函数计算的,换另一个wallFunction会不会好点?
@东岳 另一个alphatJayatillekeWallFunction和Fluent中的壁面函数一样,根据$y^+$使用不同的公式计算,打算试一下这个