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velocity gradient at outlet boundary

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Old   July 2, 2012, 21:33
Default velocity gradient at outlet boundary
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hi, i want to make a velocity gradient at outlet boundary,i don't know if i have to use velocity inlet boundary and how i make that?
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Old   July 3, 2012, 00:04
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I don't think it would be possible to define outlet gradient. You can just define zero gradient using outflow boundary condition.
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Old   July 3, 2012, 00:31
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i think i've tried that, by making the outlet as velocity inlet, and define the value of the cells in the boundary.but i don't know if it works, it's calculating now.
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Originally Posted by eng_s_sadeghi View Post
I don't think it would be possible to define outlet gradient. You can just define zero gradient using outflow boundary condition.
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