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A new general relativistic magnetohydrodynamics code for dynamical spacetimes
Pablo Cerdá-Durán, José A. Font, Luis Antón +1
We present a new numerical code which solves the general relativistic magneto-hydrodynamics (GRMHD) equations coupled to the Einstein equations for the evolution of a dynamical spa…
AMR simulations of the low T/|W| bar-mode instability of neutron stars
Pablo Cerdá-Durán, Vicent Quilis, José A. Font
It has been recently argued through numerical work that rotating stars with a high degree of differential rotation are dynamically unstable against bar-mode deformation, even for v…
Dynamics of magnetized relativistic tori oscillating around black holes
Pedro J. Montero, Olindo Zanotti, Jose A. Font +1
We present a numerical study of the dynamics of magnetized, relativistic, non-self-gravitating, axisymmetric tori orbiting in the background spacetimes of Schwarzschild and Kerr bl…
Non-linear axisymmetric pulsations of rotating relativistic stars in the conformal flatness approximation
Harald Dimmelmeier, Nikolaos Stergioulas, Jose A. Font
We study non-linear axisymmetric pulsations of rotating relativistic stars using a general relativistic hydrodynamics code under the assumption of a conformal flatness. We compare…
Numerical 3+1 general relativistic magnetohydrodynamics: a local characteristic approach
L. Anton, O. Zanotti, J. A. Miralles +4
We present a general procedure to solve numerically the general relativistic magnetohydrodynamics (GRMHD) equations within the framework of the 3+1 formalism. The work reported her…
Assessment of a high-resolution central scheme for the solution of the relativistic hydrodynamics equations
Arturo Lucas-Serrano, Jose A. Font, Jose M. Ibanez +1
We assess the suitability of a recent high-resolution central scheme developed by Kurganov & Tadmor (2000) for the solution of the relativistic hydrodynamics equations. The novelty…