[Users] Thorn for coupled equations

[Miguel Zilhão]

hi Nick,

i can't really help you out with Kranc, but we have a freely available thorn that does precisely the 
Einstein-Klein-Gordon system. you can find it here as part of the Canuda library: 
https://bitbucket.org/canuda/scalar/src/master/
i hope it helps.

cheers,
Miguel

On 07/02/2022 17:50, Nick Olsen wrote:
> Hello everyone
> 
> I have been trying to write a thorn to couple the Klein-Gordon equations to the 3+1 Einstein 
> equations. I can't figure out the details on how to make the thorn tell the ET how to update T_munu 
> according to the evolution equations. I've been trying to write the thorn with Kranc without much 
> luck, as Kranc isn't telling me anything when it does fail. I have attached the .m of the attempted 
> thorn here. If anyone has any input or suggestions it would be greatly appreciated.
> 
> Nicholas Olsen
> 
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