Computational Relativistic Astrophysics With Adaptive Mesh Refinement: Testbeds

Details Computational Relativistic Astrophysics With Adaptive Mesh Refinement: Testbeds Computational Relativistic Astrophysics With Adaptive Mesh Refinement: Testbeds

2005-01-20

arxiv.org/abs/gr-qc/0501066v2

Phys.Rev. D71 (2005) 081301

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages, 16 figures

Scientific paper

10.1103/PhysRevD.71.081301

We have carried out numerical simulations of strongly gravitating systems based on the Einstein equations coupled to the relativistic hydrodynamic equations using adaptive mesh refinement (AMR) techniques. We show AMR simulations of NS binary inspiral and coalescence carried out on a workstation having an accuracy equivalent to that of a $1025^3$ regular unigrid simulation, which is, to the best of our knowledge, larger than all previous simulations of similar NS systems on supercomputers. We believe the capability opens new possibilities in general relativistic simulations.

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