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动量方程用来决定速度的三个分量,因此动量方程的作用很明确,就是用来求解速度。然后我们剩下了一个连续性方程和未知的压力。然而连续性方程里面并没有压力,那么老铁们可以用连续性方程求解压力么?
The answer to this questions seems to be yes.
这个是理论大坑啊。
如果压力基的求解器,求解的是速度和压力场,那么得用连续性方程来求压力。 如果是密度基的,连续性可以求密度,然后用状态方程求压力。