initialize two different inputs

[Arma]

Hello, everybody, here I am again... I have a box with two inputs placed on 2 opposite walls... when I go to solve -->initialize allows me to select only input... Since the two inputs have opposite speed vectors, it happens to me (at the end of the simulation), that an air flow enters while the other comes out, obviously distorting simulations. How can I do to solve this problem???? help me thank you

weapon

 

[Arma]

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