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is there any difference between pressureInletOutletVelocity and zeroGradient for U?

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Old   March 5, 2013, 16:41
Default is there any difference between pressureInletOutletVelocity and zeroGradient for U?
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Ehsan
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I have performed two runs with BC's i mentioned in title but there is no difference between them.
Then what means pressureInletOutletVelocity when in its code its like zeroGradient(except for a tangential velocity)?
What does tangentialVelocity in its code may do?
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Old   March 8, 2013, 05:10
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what's the difference between the two BC's?
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