[Users] Users Digest, Vol 31, Issue 20

[Petr Tsatsin]

Hello Roland,
I did run the parameter file you gave on my local machine and kraken and
both simulations fail at exactly the same time step ( t = 52.320 ) due to
the following error:
 WARNING level 1 in thorn GRHydro processor 0 host bns
  (line 2004 of GRHydro_Con2Prim.F90):
  -> Con2Prim failed; stopping the code.
WARNING level 1 in thorn GRHydro processor 0 host bns
  (line 2005 of GRHydro_Con2Prim.F90):
  -> Even with mesh refinement, this point is not restricted from a finer
level, so this is really an error

WARNING level 1 in thorn GRHydro processor 0 host bns
  (line 2007 of GRHydro_Con2Prim.F90):
  ->         on carpet reflevel:  4
WARNING level 1 in thorn GRHydro processor 0 host bns
  (line 2010 of GRHydro_Con2Prim.F90):
  ->       xyz location:     3.400000        2.800000        2.400000
WARNING level 1 in thorn GRHydro processor 0 host bns
  (line 2012 of GRHydro_Con2Prim.F90):
  ->             radius:     5.015974
WARNING level 0 in thorn GRHydro processor 0 host bns
  (line 2015 of GRHydro_Con2Prim.F90):
  ->         velocities:              NaN             NaN             NaN
WARNING level 0 in thorn GRHydro processor 0 host bns
  (line 2015 of GRHydro_Con2Prim.F90):
  ->         velocities:              NaN             NaN             NaN

Any suggestions?
Thank you.
On Thu, Oct 18, 2012 at 1:20 PM, <users-request at einsteintoolkit.org> wrote:

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> Today's Topics:
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>    1. Re: tov collapse (Roland Haas)
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 18 Oct 2012 10:20:19 -0700
> From: Roland Haas <roland.haas at physics.gatech.edu>
> Subject: Re: [Users] tov collapse
> To: users at einsteintoolkit.org
> Message-ID: <50803A53.5040009 at mail.gatech.edu>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hello Peter,
>
> > I'd like to test TOV collapse and I'm using the parameter file from  the
> ET
> > paper 2011 (tov_collapse_vc_l3.par).  There are couple of thorns missing
> > like Corecollapsecontrol and CartesianCoordinates? Could you please
> provide
> > this thorns? Also I was wondering if that parameter file will work with
> > ET_2012_05 release since this parameter file was tested on previous
> version?
> The missing thorn is CoreCollapseControl (if it still complains about
> Coordinates then please just remove the thorn, it is not actually used).
> The thorn is Christian Ott's helper thorn to control grid setup etc
> during a core collapse. Christian has already said that he is fine with
> making the thorn public, it would however require some cleanup.
>
> Since you are not the first to try this parfile and fail (and since I am
> the person responsible for publishing the parfile), would you mind
> giving the attached one a try please? It replaces CoreCollapseControl
> with AEIThorns/Trigger.
>
> I also attach a an amended thorn list to pull in the thorn. Steps are:
>
> cd Cactus
> bin/GetComponents -a --root . --thornlist einsteintoolkitAndTrigger.th
> simfactory/bin/sim build --reconfig --thornlist
> einsteintoolkitAndTrigger.th
>
> Please see the recent thread with Chris Evans
> http://lists.einsteintoolkit.org/pipermail/users/2012-October/002591.htmlon
> this mailing list as well (and Vasilios Mewes
> http://lists.einsteintoolkit.org/pipermail/users/2012-July/002364.html
> some time ago).
>
> Please note that the parfile apparently leads to GRHydro NaN errors
> eventually (it always did but only after black hole formation, I am not
> sure when it happens right now).
>
> I theory the parameter file should work with newer versions. I am trying
> it right now with the Lovelace release (2012_05) and will get back to
> you (and Chris) once I am done. Feel free to give it at try as well though.
>
> Yours,
> Roland
>
> --
> My email is as private as my paper mail. I therefore support encrypting
> and signing email messages. Get my PGP key from http://keys.gnupg.net.
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-- 
Petr Tsatsin
Graduate Student - Department of Physics
Charles E. Schmidt College of Science
Florida Atlantic University
(561)-297-3386
cell: 561-692-2040
ptsatin at fau.edu, ptsatsin at gmail.com
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