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Castro (Compressible Astrophysics): An adaptive mesh, astrophysical compressible (radiation-, magneto-) hydrodynamics simulation code for massively parallel CPU and GPU architectures.

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AMReX now has a James BC solver: https://github.com/AMReX-Codes/amrex/pull/2912 we should add the ability to use this instead of the multipole solver for BCs.

also do it as a derived field -- this now works better with jumps in refinement. Also the old version was only using a level 0 covering grid. ## PR...

this revives #1604 ## PR summary ## PR motivation ## PR checklist - [ ] test suite needs to be run on this PR - [ ] this PR will...

## PR summary ## PR motivation ## PR checklist - [ ] test suite needs to be run on this PR - [ ] this PR will change answers in...

hydro

## PR summary ## PR motivation ## PR checklist - [ ] test suite needs to be run on this PR - [ ] this PR will change answers in...

hydro

## PR summary This adds a non-square inputs file with a cooler He layer, which produces a nicely defined flame (in 2-d). This will be the basis for a new...

I can't build the RadBlastWave example with HYPRE 2.25.0 and CUDA 11.7.0. It fails at the final link step with undefined references to `cublas` functions. I've installed HYPRE as recommended...

I've built the RadBlastWave example on CPU with HYPRE 2.25.0. When running it with: `mpirun ./Castro3d.gnu.MPI.ex inputs.3d ` it crashes with, e.g.: ``` WARNING: (rho e)_l < 0 or pl...

this used tighter tolerances to get the masses more accurate also fixed an issue with the resolution finally, there is now a model without N14 ## PR summary ## PR...

## PR summary The support for `amr.plot_max_level` and `amr.small_plot_max_level` is added in AMReX-Codes/amrex#2825. ## PR checklist - [x] test suite needs to be run on this PR - [ ]...