AMReX-Astro / AMReX-Astro/Castro

add proper subsonic characteristic outflow boundaries

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Dominant language
C++
Stars
340
Forks
105
Avg merge
3d 8h
Merged PRs (30d)
8

Description

We should look into adding subsonic outflow boundaries. Maybe we can adapt the code from here:

https://ccse.lbl.gov/people/motheau/Manuscripts_website/2017_AIAA_CFD_Motheau.pdf

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
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Research direction

The issue names no source files or tests. Start by reading the linked 2017 AIAA CFD paper and locating Castro's existing outflow-boundary implementation, then compare its behavior with the requested subsonic characteristic treatment. Done means the new boundary behavior is implemented and validated with suitable simulation or regression coverage.

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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