[Users] Patch: add hydro variables support for the CactusNumerical/Noise thorn

Erik Schnetter schnetter at gmail.com
Fri Jul 9 17:26:25 CDT 2010

On Tue, Jul 6, 2010 at 3:29 AM, David Radice <david.radice at aei.mpg.de>wrote:

> Dear all,
> in order to use the CactusNumerical/Noise thorn to perform a stress test
> on the hydro equations "id_noise" has to be properly scheduled with
> respect to HydroBase_Initial and HydroBase_Prim2ConInitial. As it is now
> numerical perturbation on the hydro variables could be discarded /
> overwritten.
> The attached (trivial) patch fixes the above mentioned issue and
> includes some small aesthetic fixes. Could you please consider applying
> it to the development branch of the Einstein Toolkit?


Thanks for your patch; I have applied it.

PS: note that the hydro thorn has to schedule Prim2Con in
> HydroBase_Prim2ConInitial otherwise the perturbation are simply
> ignored/overwritten.

I don't know about this.  Frank, can you confirm this?  Is there a problem
in GRHydro?


Erik Schnetter <schnetter at gmail.com>   http://www.cct.lsu.edu/~eschnett/
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