9 papers
Characteristic numerical relativity applied to hydrodynamic studies of neutron stars
F. Siebel, J. A. Font, E. Mueller +1
We present tests and results of a new axisymmetric, fully general relativistic code capable of solving the coupled Einstein-matter system for a perfect fluid matter field. Our impl…
Nonlinear evolution of r-modes in rotating relativistic stars
Jose A. Font, Nikolaos Stergioulas
A numerical study of nonlinear r-modes in isentropic, rapidly rotating relativistic stars, via 3-D general-relativistic hydrodynamical evolutions, is presented. On dynamical timesc…
Analysis of relativistic hydrodynamics in conservation form
Philippos Papadopoulos, Jose A. Font
Formulations of Eulerian general relativistic ideal hydrodynamics in conservation form are analyzed in some detail, with particular emphasis to geometric source terms. Simple linea…
Riemann Solvers in General Relativistic Hydrodynamics
J. M. Ibanez, M. A. Aloy, J. A. Font +3
Our contribution concerns with the numerical solution of the 3D general relativistic hydrodynamical system of equations within the framework of the 3+1 formalism. We summarize the…
Numerical simulations of relativistic wind accretion on to black holes using Godunov-type methods
Jose A. Font, Jose M. Ibanez, Philippos Papadopoulos
We have studied numerically the so-called Bondi-Hoyle (wind) accretion on to a rotating (Kerr) black hole in general relativity. We have used the Kerr-Schild form of the Kerr metri…
Non-linear Evolution of Rotating Relativistic Stars
N. Stergioulas, J. A. Font, K. D. Kokkotas
We present first results of the non-linear evolution of rotating relativistic stars obtained with an axisymmetric relativistic hydrodynamics code in a fixed spacetime. As initial d…