[FLASH-USERS] Inquiry About Ambipolar Diffusion in FLASH

[VASANTH KASHYAP]

Dear FLASH Users,

I'm writing to ask whether anyone has experience with the ambipolar
diffusion implementation for FLASH 2.5 referenced in *Duffin & Pudritz
2008, MNRAS https://doi.org/10.1111/j.1365-2966.2008.14026.x
<https://doi.org/10.1111/j.1365-2966.2008.14026.x>*. I was unable to find
this feature in the FLASH 4.8 release, and I would be very grateful if
someone could clarify whether it is available publicly or through a
separate request or if there are alternative implementations compatible
with recent versions.

Additionally, I am specifically interested in using this feature with the
Unsplit Staggered Mesh (USM) MHD solver rather than the Powell 8-wave
method. If anyone has insights or experience adapting ambipolar diffusion
to the USM framework, I would greatly appreciate your input.

Thank you in advance for any guidance or suggestions you can offer.

With kind regards,
R. Vasanth Kashyap,
COMPAC PhD Student,
Scuola Normale Superiore di Pisa
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