Computer Science – Numerical Analysis
Scientific paper
Nov 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..801...91m&link_type=abstract
ASTROPHYSICAL SOURCES OF HIGH ENERGY PARTICLES AND RADIATION. AIP Conference Proceedings, Volume 801, pp. 91-98 (2005).
Computer Science
Numerical Analysis
1
Gamma-Ray Sources (Astronomical), Supernovae, Numerical Analysis, Astrophysical Jets, Gamma-Ray Sources, Gamma-Ray Bursts, Supernovae, Hydrodynamics
Scientific paper
Gamma-ray bursts are ultra-relativistic explosions resulting in some cases from the death of massive stars. Numerical modeling of these explosions is challenging because of the extreme Lorentz factors (Γ>~100) and the range of length scales encountered. Simulations of collapsar disks and afterglow jets are being undertaken with a new special relativistic hydrodynamics code RAM (Zhang & MacFadyen 2005) utilizing adaptive mesh refinement (AMR) in order to cover the large dynamical range necessary to adequately resolve thin relativistic structures.
MacFadyen Andrew I.
Zhang Weiqun
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