Numerical Simulations of Neutron-Star Binaries in Circular Orbits

Details Numerical Simulations of Neutron-Star Binaries in Circular Orbits Numerical Simulations of Neutron-Star Binaries in Circular Orbits

Apr 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..apre12009m&link_type=abstract

American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As

Astronomy and Astrophysics

Astrophysics

Scientific paper

We report on the progress of numerical simulations of Neutron-Star binary systems in circular orbits generated with a fully relativistic hydrodynamical code developed by the collaboration UIUC-Bowdoin College. The initial data sets are conformally flat solutions to the Hamiltonian and momentum constraints obtained using the Wilson-Mathews scheme which correspond to corotating and irrotational binaries in circular orbits. These sets are evolved using the BSSN implementation of the field equations under a variety of gauge choices. The hydrodynamical variables are updated through a general relativistic variation of the Van Leer method. We present here the details of our code and some preliminary results.

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