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Forum: OpenFOAM Pre-Processing

April 13, 2013, 05:09

Replies: 14

PressureInletOutletVelocity BC

Views: 8,136

Posted By immortality

for completeness it seems that in outlet velocity...

for completeness it seems that in outlet velocity is implicitly calculated and in inlet just explicitly.
I think its because outflow is more likely to be unstable and inflow is more stable(from my...

Forum: OpenFOAM Pre-Processing

April 12, 2013, 14:11

Replies: 14

PressureInletOutletVelocity BC

Views: 8,136

Posted By immortality

no.it seems that both inflow and outflow uses...

no.it seems that both inflow and outflow uses internalField value of velocity even in inflow situation.I correct myself your value is not important in inflow case.as I saw in the code phi/(rho*area)...

Forum: OpenFOAM Pre-Processing

April 12, 2013, 12:43

Replies: 14

PressureInletOutletVelocity BC

Views: 8,136

Posted By immortality

see description in...

see description in pressureInletOutletVelocityFvPatchVectorField.H
in opt folder->src->finiteVolume->fields->fvPatchFields_>derived:
Description
This velocity inlet/outlet boundary condition...

Forum: OpenFOAM Pre-Processing

April 11, 2013, 16:23

Replies: 14

PressureInletOutletVelocity BC

Views: 8,136

Posted By immortality

its like zeroGradient when fluid flows out of...

its like zeroGradient when fluid flows out of domain and is the inletValue specified when fluid flows into the domain.it only says that we have a specified pressure in its folder and doesn't use it...

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