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Boundary Conditions On inlet

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Old   August 23, 2014, 12:01
Default Boundary Conditions On inlet
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Desanga
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Hi Foamers,

I need to implement following BCs on inlet face

Ux= 0 , Uy= 0 , dUz/dz =0

Any Ideas ?

Thanks in Advance
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Old   August 26, 2014, 14:49
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Himanshu Sharma
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Quote:
Originally Posted by desanga View Post
Hi Foamers,

I need to implement following BCs on inlet face

Ux= 0 , Uy= 0 , dUz/dz =0

Any Ideas ?

Thanks in Advance
Hi,

If Ux and Uy are constant only then the derivative in there respective direction that is dUx/dx = 0 and dUy/dy = 0 only hence you can specify velocity with zeroGradient at Inlet face.
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Old   August 27, 2014, 03:55
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Desanga
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hello sharma,

exactly, but I want to implement Ux and Uy equal exactly to zero other than constant value but Uz to be a constant value. Currently im running with zeroGradient conditions but it doesn't guarantee Ux=Uy=0

Am I correct

Thanks
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