[Users] metric set to flat...

[Erik Schnetter]

On Dec 6, 2006, at 18:41:34, Francisco S. Guzman wrote:

> Dear all,
>
> I'm experiencing some difficulties related to GR:
>
> I'm reading a metric from a file.... interpolating+populating
> afterwards.... at the end, I have the matter field introduced and the
> lapse properly set up in the grid.... however the 3metric I see is  
> flat,
> there might be a parameter that switches off-on  by default  into
> flat my nice metric.... I'v tries using  
> admbase::metric_type="physical",
> just to see whether there is a parameter somewhere, but does not  
> work....
>
> Could it be that I'm scheduling the read-file routine at the wrong  
> stage?
> I'm doing it after LapseOne.... should it be scheduled in a different
> way?....
>
> This schedule used to work last year, but perhaps something has
> chenged?...
>
> Any clues? any similar experiences?....

If you don't set the parameter for the initial metric that you want,  
then the default is to initialise it with a flat metric; this is done  
by the thorn ADMBase.  This may be what is happening to you.

You can activate the thorn AEIThorns/IDFileADM, which lets you  
specify an initial metric that is read from a file, so that there is  
no initial data thorn overwriting what you read from a file.  You  
should continue to use the file reader as you do now; this thorn  
doesn't actually read any files.

-erik

-- 
Erik Schnetter <schnetter at cct.lsu.edu>

My email is as private as my paper mail.  I therefore support encrypting
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