[FLASH-USERS] Cosmic ray transport schemes

[Ryan Farber]

Hi Ed,

Apologies for the late reply; this email went to my spam folder, which I
check irregularly. I don't think cosmic rays have ever made it to a public
FLASH release. Karen Yang & Mateusz Ruszkowski developed a cosmic ray
module in FLASH. You can find additional details in:
Yang et al. 2012, 2013 and Yang & Ruszkowski 2017.

Since cosmic rays are now part of the public Athena++ release, they might
be willing to share their implementation. It's still in FLASH4.2.2, but one
of my goals for September is to port to FLASH4.8. All of that is one-moment
transport (both diffusion and streaming). It would be nice to have
two-moment in FLASH, perhaps leveraging HYPRE, etc.

Best wishes,
--------
Ryan


On Wed, Aug 28, 2024 at 12:58 PM Ed Buie <ebuie at vassar.edu> wrote:

> Hello Flash users,
>
> I was looking through the documentation and while I didn't see any
> indication of it, I was wondering if there are any schemes for cosmic ray
> transport that have been developed in FLASH?
>
> Thank you!
>
> --
> -Prof. Ed Buie II
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