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Old   October 20, 2018, 13:37
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I am trying to model fluid flow down a plane.

Basically inlet 1(green) in which water will flow down on a plane that is filled with air.

The Red Inlet 2 is nothing. Basically I want to just have 1 inlet (green) the reason for the 2 inlet because I am using ICEM CFD so it automatically mesh both when I do the box cutting.

My question is :

1) What should the boundary conditions be for inlet 2 (the air) because its literally just a hole expose to atmosphere as seen on the second picture.

2) The boundary conditions for outlet and top are outflow (what my supervisor advice due to something to do with mass flow etc). What does she mean by that?

3) I am using VOF Model, basically Im trying to fill the plane with air before simulations and letting the inlet 1(water) flow inside to see rivulet flows but for some reason, when I check the velocity field, everything was zero. (The boundary conditions was (inlet 2, air, velocity = 0 , inlet 1, water, velocity 0.01)

Hnsie813 is offline   Reply With Quote


fluent 19.2, icem 19.0

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