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Old   August 5, 2010, 10:17
Default Notice of wall condition in cfx
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Hello everyone. I am attempting to simulate an open channel flow in CFX using a free surface flow with water in the channel and air in the region above it. I have followed quite closely the tutorial of free surface flow over a bump to help me simulate this. During solving the CFX solver manager displays the following message:

| A wall has been placed at portion(s) of an OUTLET |
| boundary condition (at 60.9% of the faces, 77.0% of the area) |
| to prevent fluid from flowing into the domain. |
| The boundary condition name is: Outlet. |
| The fluid name is: Air. |
| If this situation persists, consider switching |
| to an Opening type boundary condition instead.

Can anyone please explain what this is and what it might be telling me is incorrect with this model.

Thanks very much and best wishes.
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