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Forum: Main CFD Forum

August 19, 2014, 05:40

Replies: 19

non reflecting boundary conditions

Views: 2,676

Posted By rabea matouk

I think we can use Un = U (free stream) for the u...

I think we can use Un = U (free stream) for the u equation but what about v and w since the phase velocity is different.

Forum: Main CFD Forum

August 17, 2014, 11:36

Replies: 19

non reflecting boundary conditions

Views: 2,676

Posted By rabea matouk

Thank you very much leflix. I'll try to implement...

Thank you very much leflix. I'll try to implement and test it. the convective velocity Un is really tricky but I'll try several suggestions and see the results.

Forum: Main CFD Forum

August 7, 2014, 19:12

Replies: 19

non reflecting boundary conditions

Views: 2,676

Posted By rabea matouk

non reflective BC for incompressible flows

Thank you leflix for your advice and help.

You mean the convective BC:

dU/dt + Un*dU/dn = 0

could you please give me more details and advice
, this is my first try to implement BC?

U is...

Forum: Main CFD Forum

August 4, 2014, 09:33

Replies: 19

non reflecting boundary conditions

Views: 2,676

Posted By rabea matouk

non reflecting boundary conditions

Hello,

I have some hydrodynamic waves reflections on the outlet of computational domain using outlet pressure boundary condition so I decided to implement the non reflecting boundary conditions in...

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