CASTRO: A New Compressible Astrophysical Solver. I. Hydrodynamics and Self-Gravity

CASTRO: A New Compressible Astrophysical Solver. I. Hydrodynamics and Self-Gravity

We present a new code, CASTRO, that solves the multicomponent compressible hydrodynamic equations for astrophysical flows including self-gravity, nuclear reactions and radiation. CASTRO uses an Eulerian grid and incorporates adaptive mesh refinement (AMR). Our approach to AMR uses a nested hierarchy...

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Veröffentlicht in:arXiv.org 2010-05
Hauptverfasser: Almgren, A S, Beckner, V E, Bell, J B, Day, M S, Howell, L H, Joggerst, C C, Lijewski, M J, Nonaka, A, Singer, M, Zingale, M
Format: Artikel
Sprache:eng
Schlagworte:
Compressibility
Fluid dynamics
Fluid flow
Gravitation
Grid refinement (mathematics)
Hydrodynamic equations
Hydrodynamics
Nuclear reactions
Physics - Instrumentation and Methods for Astrophysics
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Beschreibung
Zusammenfassung:We present a new code, CASTRO, that solves the multicomponent compressible hydrodynamic equations for astrophysical flows including self-gravity, nuclear reactions and radiation. CASTRO uses an Eulerian grid and incorporates adaptive mesh refinement (AMR). Our approach to AMR uses a nested hierarchy of logically-rectangular grids with simultaneous refinement in both space and time. The radiation component of CASTRO will be described in detail in the next paper, Part II, of this series.
ISSN:2331-8422
DOI:10.48550/arxiv.1005.0114