[Users] using WeylScal4 and Multipole for WF output -- scheduling issues

Ian Hinder ian.hinder at aei.mpg.de
Sat Oct 23 05:28:15 CDT 2010


On 22 Oct 2010, at 20:06, Kelly, Bernard J. (GSFC-660.0)[UNIVERSITY OF  
MARYLAND BALTIMORE COUNTY] wrote:

> That was it, Ian. Setting those symmetry boundaries fixed the NaNs.
>
> Thanks again for spending time on this.
>
> Bernard
>
> P.S. I think a binary WF-extraction testsuite would be a good idea.  
> If you like, I’ll apply what you’ve shown me to the  
> qc0_mclachlan.par file, and send in the results ...
>
> (do I have commit privileges for EinsteinAnalysis/Multipole? I  
> suspect I’m doing everything anonymously right now)

There are testsuites already; what we need is a practical example.  So  
I would just add the wave extraction parameters to the qc0- 
mclachlan.par parameter file in McLachlan/par (after checking with  
Erik).


>
> On 10/22/10 1:15 PM, "Ian Hinder" <ian.hinder at aei.mpg.de> wrote:
>
>
>
> On 22 Oct 2010, at 17:09, Bernard Kelly wrote:
>
> >
> > I've tried your "offset" parameter, but that doesn't seem to help,
> > I'm afraid (actually, it's on by default anyway). I've
> > just enabled Multipole's "out_1d_every" option, and in fact the data
> > has nan at the -equator- (that is, at points
> > theta = 1.530519 & 1.611073 -- those closest to the x-y plane).
>
> Sounds like the symmetry boundaries are not being applied.  Aha!  You
> need to set the parameters
>
>         WeylScal4::Psi4r_group_bound = "flat"
>         WeylScal4::Psi4i_group_bound = "flat"
>
> Have a look at the test suite parameter files for WeylScal4.  This is
> not necessary in the current development branch, as this is done
> automatically by Kranc now.
>
> It occurs to me that we could do with an example for the use of
> WeylScal4 and Multipole, e.g. by using WeylScal4 in one of the
> McLachlan QC0 example parameter files.
>
>
>
> --
> Ian Hinder
> ian.hinder at aei.mpg.de
>
>

-- 
Ian Hinder
ian.hinder at aei.mpg.de



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