AMReX-Astro / AMReX-Astro/Castro

Diffusion of species concentration in Castro

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Dominant language
C++
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Forks
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Avg merge
3d 8h
Merged PRs (30d)
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Description

My understanding is that Castro currently implements diffusion of temperature (i.e. a fluid with areas of hot and cold temperatures will evolve towards a uniform temperature eventually), but not yet diffusion of species concentration (i.e. a fluid with areas of high concentration in species 1 and 2 respectively will evolve towards a uniform concentration eventually).

I was wondering: are there plans to implement diffusion of species concentration in Castro?
If not, would you have pointers as to how to implement this in Castro, if I had to do it myself?

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  3. Fork the repository and make your change on a branch.
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Research direction

Start with the linked Castro diffusion documentation and determine whether species-concentration diffusion is already supported alongside temperature diffusion. The issue provides no file, test, or implementation entry point; done would require a decided implementation path and a way to verify that species concentrations evolve toward uniformity.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
hpc
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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