[Nek5000-users] BFS turbulent outflow condition

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

Hi Paul,

Thanks for the response.

I did not get your response from Friday, its very strange.

I will take a look at .usr file in the /peris & /turbJet examples.

Harish

On Mon, 19 Apr 2010 nek5000-users at lists.mcs.anl.gov wrote:

>
>
>
> Hi Harish,
>
> (This is a re-send of my Friday response, which looks like
> it may not have gone through...)
>
> There is a std cure for this problem, which is to force
> the velocity characteristics at the outflow boundary to
> all be outgoing.  You can do this by specifying div U > 0
> in the last layer of elements --- by filling up the
> usrdiv() array.
>
> See the .usr files in the /peris and /turbJet examples.
>
> (From the /examples directory,  grep div */*.usr will point
> the way.)
>
> Paul
>
>
>
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>
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