[Nek5000-users] specify direction of velocity inlet as boundary condition
nek5000-users at lists.mcs.anl.gov
nek5000-users at lists.mcs.anl.gov
Tue Oct 15 16:49:24 CDT 2013
Hi Ami,
'v ' velocity specification means a direchlet BC when velocity
ia prescribed by userbc()'s values ux,uy,uz cartesian components -- e.g.,
ux = 1.
uy = 0.
uz = 0.
in userbc() of .usr will set velocity of 1 in positve x-direction.
Best.
Aleks
On Tue, 15 Oct 2013, nek5000-users at lists.mcs.anl.gov wrote:
> Hi Neks,
>
> How can I specify direction of velocity inlet as boundary condition in
> problem like MOAB example or what does it means when I set one surface as
> velocity inlet (and I put v in front of that), it does mean that it set BCs
> in all directions (u,v,w)?
>
> Thanks,
> Ami
>
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