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AMReX-Astro is a collection of astrophysics simulation codes built around the AMReX adaptive mesh refinement library.
The main codes are:
Castro : a compressible (magneto-,radiation-) hydrodynamics code for reactive flows.MAESTROeX : a low-Mach number stratified hydrodynamics code for stellar convection.Nyx : a cosmological n-body + hydro simulation code for modeling large scale structure in the Universe.
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Castro (Compressible Astrophysics): An adaptive mesh, astrophysical compressible (radiation-, magneto-) hydrodynamics simulation code for massively parallel CPU and GPU architectures.
C++
346
108
A C++ low Mach number stellar hydrodynamics code
C++
46
23
An adaptive mesh, N-body hydro cosmological simulation code
C++
106
37
Emu is a neutrino quantum kinetics simulation code based on the particle in cell method and parallelized for CPU or GPU supercomputing architectures.
C++
15
5
common astrophysical microphysics routines with interfaces for the different AMReX codes
C++
45
47
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Showing 10 of 24 repositories
Nyx
Public
An adaptive mesh, N-body hydro cosmological simulation code
AMReX-Astro/Nyx's past year of commit activity
C++
106
37
5
4
Updated Nov 11, 2026
AMReX-Astro/initial_models's past year of commit activity
C++
6
9
0
3
Updated Nov 9, 2026
Emu
Public
Emu is a neutrino quantum kinetics simulation code based on the particle in cell method and parallelized for CPU or GPU supercomputing architectures.
AMReX-Astro/Emu's past year of commit activity
C++
15
5
6
2
Updated Nov 6, 2026
Microphysics
Public
common astrophysical microphysics routines with interfaces for the different AMReX codes
AMReX-Astro/Microphysics's past year of commit activity
Castro
Public
Castro (Compressible Astrophysics): An adaptive mesh, astrophysical compressible (radiation-, magneto-) hydrodynamics simulation code for massively parallel CPU and GPU architectures.
AMReX-Astro/Castro's past year of commit activity
workflow
Public
Common workflow scripts for running jobs at HPC centers
AMReX-Astro/workflow's past year of commit activity
Shell
5
MIT
13
0
2
Updated Jul 27, 2026
MAESTROeX
Public
A C++ low Mach number stellar hydrodynamics code
AMReX-Astro/MAESTROeX's past year of commit activity
C++
46
BSD-3-Clause
23
23
7
Updated Jul 20, 2026
AMReX-Astro/performance-measures's past year of commit activity
0
0
0
0
Updated Dec 16, 2025
wdmerger
Public
A software package for simulating white dwarf mergers with CASTRO
AMReX-Astro/wdmerger's past year of commit activity
TeX
5
MIT
3
0
0
Updated Aug 9, 2025
AMReX-Astro/amrex-astro-diag's past year of commit activity
Jupyter Notebook
0
4
0
1
Updated Jun 8, 2025
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