[Users] problems about accretion disk of binary neutron star

黃世杰 sjhuang1206 at gmail.com
Thu Nov 8 10:41:43 CST 2018

OK~ Thank you for the information.

Roland Haas <rhaas at illinois.edu> 於 2018年11月8日 週四 下午11:26 寫道:

> Hello Jie,
> you will most likely need another thorn. I would say the closest thorn
> that does what you would like to do is the "Outflow" thorn (in
> EinsteinAnalysis/Outflow) that can track the amount of rest mass
> flowing through a SphericalSurface. So you could make it measure the
> amount of material crossing the apparent horizon and also eg the among
> falling through the innermost stable circular orbit.
> For energy you'd have to decide on some efficiency of converting rest
> mass to energy (for the material falling through the ISCO).
> You can use the Outflow test file as a starting point (and also consult
> its documentation:
> https://www.einsteintoolkit.org/thornguide/EinsteinAnalysis/Outflow/documentation.html):
> https://bitbucket.org/einsteintoolkit/einsteinanalysis/raw/05e1f24828dc5a0a819d57225957954da538c031/Outflow/test/moving_tov.par
> Yours,
> Roland
> > Dear all,
> > I want to add energy into the accretion disk of the binary neutron star
> > merger in gallery code(
> https://einsteintoolkit.org/gallery/bns/index.html)and
> > calculate the accretion rate (dM/dt) do I need to add some other thorn
> into
> > the simulation, or could just modify the parameter file of the gallery
> code?
> > Thank you
> > Gratefully,
> > Jie
> --
> My email is as private as my paper mail. I therefore support encrypting
> and signing email messages. Get my PGP key from http://pgp.mit.edu .
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.einsteintoolkit.org/pipermail/users/attachments/20181109/7b52f4b5/attachment.html 

More information about the Users mailing list