Statistics – Computation
Scientific paper
Oct 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aps..4cf.c7002b&link_type=abstract
American Physical Society, Annual Meeting of the Four Corners Section of the APS, October 15-16, 2010, abstract #C7.002
Statistics
Computation
Scientific paper
Many astrophysical systems involve highly relativistic, magnetized flows in the backgrounds of strongly gravitating compact objects. We are interested in simulating such systems using the equations of general relativistic MHD. Because of the complexity of these systems a severe challenge in their modeling is handling the relativistic shocks that can develop. We describe and demonstrate results from our implementation of a fifth order Weighted Non-Oscillatory (WENO) model as a way to accurately evolve such shocks properly in these systems. In addition, we show that the use of the characteristics of the system can improve the treatment of the boundary conditions in the computational domain.
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