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Forum: OpenFOAM

August 3, 2010, 06:51

Replies: 16

fixedGradient, zeroGradient?

Views: 35,351

Posted By akidess

Since you are not interested in the exact...

Since you are not interested in the exact pressure value for an incompressible flow in a channel, but only pressure differences, you'd set the pressure to be 0 at the outlet and zeroGradient on the...

Forum: OpenFOAM

August 3, 2010, 06:50

Replies: 16

fixedGradient, zeroGradient?

Views: 35,351

Posted By akidess

U=0 would be fixedValue, not fixedGradient!...

U=0 would be fixedValue, not fixedGradient! (Dirichlet vs Neumann).

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