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Forum: OpenFOAM

September 24, 2010, 05:39

Replies: 12

Boundary condition for bifurcated flow

Views: 5,145

Posted By Robat

Hi JieJie, to know the (measured) pressure...

Hi JieJie,
to know the (measured) pressure values for the outlets is great.
But then you shall set the inlet pressure to zeroGradient (otherwise your measurement error would increase instabillity)....

Forum: OpenFOAM

September 23, 2010, 10:49

Replies: 12

Boundary condition for bifurcated flow

Views: 5,145

Posted By Robat

Hi JieJie, I think a small example...

Hi JieJie,

I think a small example illustrates the source of your problem:
Imagine an incompressible fluid in a pipe(constant diameter).
If you set U_inlet = 100 m/s and U_outlet = 1 m/s, the...

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