[Nek5000-users] Multiple scalars

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

Hi David,

In the .rea file, be certain to set

1   NPSCAL

T  IFHEAT

T T T T ... IFNAV etc

and to have a set of BCs for

FLUID
TEMP
PASSIVE SCALAR 1

I've just done this and it seems to work ok.

www.mcs.anl.gov/~fischer/ps1.rea.gz


Paul

On Mon, 20 Jun 2011, nek5000-users at lists.mcs.anl.gov wrote:

> Hi Neks,
>
> I`m trying to get nek running with a second scalar in addition to
> temperature, and my resulting .fld files are not correct, including the
> temperature field.  Does anyone have experience with this?  I have reason to
> believe that my issue is only with the output of the .fld files, and
> probably specifically with this part of the .rea file:
>
> 1      PASSIVE SCALARS
> T PS 1
>
> I have run the shear4 example from repo, and I can visualize the correct
> temperature/ps1/ps2/ps3 fields in VisIt.  Furthermore, when I change the
> line in my .rea file to
>
> 0      PASSIVE SCALARS
>
> I get a correct temperature in the .fld file, but of course no ps1 field.
>
> I would be greatful to hear from anyone who has dealt with multiple scalars.
>
> Best,
>
> David
>