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Forum: OpenFOAM Running, Solving & CFD

February 3, 2017, 12:06

Replies: 7

backflow and outlet boundary condition

Views: 7,093

Posted By Tobi

I just want to mention something here. The...

I just want to mention something here. The totalPressureboundary condition should be used with a pressure based velocity boundary condition. However, the main problem in reverse flow is the...

Forum: OpenFOAM Running, Solving & CFD

January 24, 2017, 14:17

Replies: 7

backflow and outlet boundary condition

Views: 7,093

Posted By Tobi

Okay, but keep in mind: Setting p and U at one...

Okay, but keep in mind: Setting p and U at one patch for incompressible cases is not a good thing in the numerical point of view. Good luck.

PS: If you are searching for explanations of the...

Forum: OpenFOAM Running, Solving & CFD

January 24, 2017, 08:08

Replies: 7

backflow and outlet boundary condition

Views: 7,093

Posted By Tobi

As the first guess I would fix the inflow (based...

As the first guess I would fix the inflow (based on the fluxes). For that purpose you can use inletOutlet with an inletValue zero. The pressure could be fixed. However, I do not know your simulation...

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