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Question about boundary conditions

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Old   April 27, 2019, 08:20
Default Question about boundary conditions
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Joe lee
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Hi Foamers, I would like to understand the boundary conditions settings, through the motorBike tutorials.

For the front, back and upper walls, they are defined as patch type in blockMeshDict, and being slip type in U.orig, p, k and omega.

Does this simply mean these three walls are open, and when the fluid is incoming from the inlet, the fluid can escape from not only the outlet, but also these three walls?

Thank you very much.
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