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东岳大神、各路大神好: 最近在模拟一个上下振动混合器中的单相三维流场,如图。 考虑到计算时间和成本问题,想采用moving frame of reference的方法来代替动网格进行振动的模拟。目前设置inlet速度为振动速度,壁面和出口都设置的是wall,速度也是振动速度,而板和轴的速度为0.但得到的流场似乎不太对,想请教下边界条件的设置存在哪些问题?