wiki:DeveloperGuide

Version 40 (modified by Jonathan, 12 years ago) ( diff )

AstroBEAR 2.0 Developer's Guide

Chapter 1. The structure of AstroBEAR

Explanation of how modules are organized

Chapter 2. The AMR Engine in AstroBEAR

Chapter 3. Communication in AstroBEAR

Chapter 4. Parallelism

Load Balancing

Threading of Level advances

Chapter 5. Objects in AstroBEAR

Initial Condition Objects

Boundary Condition Objects

Boundary Condition Objects

Chapter 6. The Hyperbolic Solvers

The Sweep Scheme for Unsplit CTU

The Muscl Scheme for Split advances

Chapter 7. The Elliptic/Parabolic Solvers

The self gravity solver

The thermal conduction solver

Chapter 8. Lagrangian Particles in AstroBEAR

Chapter 9. IO


AstroBEAR is an Adaptive Mesh Refinement (AMR) distributed-memory parallel Eulerian code written in FORTRAN 90 which supports hydro- or magnetohydrodynamics in two or three dimensions. AstroBEAR is derived from the BEARCLAW AMR package written by Sorin Mitran. Users write their own project modules in AstroBEAR by specifying initial conditions and any continual processes, such as an inflow condition. There exists a variety of modules already built; users are encouraged to use these as a starting point for their own module(s).

Once a module has been written and the executable is ready to be run, users specify simulation parameters—-such as the resolution, how many levels of AMR are desired, source term physics such as radiative cooling, and so forth—-in the data files. The code is most commonly run on Beowulf-type computing clusters, though it has been successfully ported to the BlueGene/P architecture.

AstroBEAR Code Topics

  • [ProjectStatistics] — A table to collect revision/module/machine information from group members


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