[Nek5000-users] Modifying an initial field

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

Hi Josh,

Yes, changing the initial field in the first call of userchk worked, thanks.

David

On Tue, Oct 4, 2011 at 6:21 PM, <nek5000-users at lists.mcs.anl.gov> wrote:

> Hi David,
>
> The best place would probably be in userchk.
>
> You could have a block like
>
> if (istep.eq.0) then
>
> C........do stuff
>
> endif
>
> If you are doing something else in userchk that would depend on your
> modification of the field quantities, then you would want  this to come
> first.
>
> Just in case, the velocity fields are accessed like
>
> vx(i,j,k,e) ( for u)
>
> and likewise for vy and vz, where i,j,k go from 1 to nx1 (ny1, nz1) and e
> goes from 1 to nelv.  Sorry if that was more information than you needed,
> just wanted to make sure all my bases were covered :-).
>
> Does this help?
>
> Josh Camp
>
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