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Specifying the contact angle on the interface between two zones

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Old   July 10, 2015, 06:42
Default Specifying the contact angle on the interface between two zones
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Hi everyone!

Im my setup, I have a flow channel in which the bottom surface is in contact with a porous media. Air enters through the channel inlet, flows through the porous media reaching its bottom surface where O2 it consumed and liquid H2O is produced. Then liquid water enters the channel through the nearest pore available. Please check the image attached for details (blue=inlet, red= outlet).

In the interface between the channel and the porous media i set interior boundary condition, so that air and water can flow between the two zones, as required. But i would like to set the contact angle in that interface. However, in order to do that I have to change the boundary condition to wall, but in this case air and water will no longer flow between the two zones.

So, does any one knows a way to set the contact angle of the interface between two fluid zones, while allowing for the flow of all phases between them?

Thks!
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