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Forum: OpenFOAM Running, Solving & CFD

February 16, 2019, 09:32

Replies: 4

rhoCentralFoam outlet boundary condition for transonic flows

Views: 2,503

Posted By mfrl

Dear Schuyler, many thanks for you answer. ...

Dear Schuyler, many thanks for you answer.

From my numerical tests I can say that rhocentralFoam works fine, if the internal flow only is simulated, that is when the boundary conditions are...

Forum: OpenFOAM Running, Solving & CFD

February 12, 2019, 05:55

Replies: 4

rhoCentralFoam outlet boundary condition for transonic flows

Views: 2,503

Posted By mfrl

Dear Anjay, at the best of my knowledge,...

Dear Anjay,

at the best of my knowledge, the inletOutlet BC is zeroGradient if (U_n >0) and fixedValue otherwise.
In compressible flow the correct BC is zeroGradient if (U_n > U_sound) and ...

Forum: OpenFOAM Running, Solving & CFD

February 7, 2019, 18:43

Replies: 4

rhoCentralFoam outlet boundary condition for transonic flows

Views: 2,503

Posted By mfrl

rhoCentralFoam outlet boundary condition for transonic flows

Dear all,
I am trying to solve unsteady flows with supersonic jets flowing in an external ambient (e.g. quiescent air or an external flow).
At the outlet, the flow can have both supersonic and...

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