[Nek5000-users] Velocity inlet boundary condition issue

[nek5000-users at lists.mcs.anl.gov]

Dear users,


I have a channel simulation where I set the boundary condition of one of the domain side as 'v' (in the box file). Then in the userbc subroutine, I define the velocity at that boundary as a constant (say 0.1). After I run my simulation and visualise the result, the velocity at that boundary is not exactly the constant I put in the user file. Do you have any idea how this could happen?


Thank you in advance.


Best regards,

Toon

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