Talk detail

Participant	Nunez, Jonatan
Institution	Institut fuer Aerodynamik und Gasdynamik, Universitaet Stuttgart - Pfaffenwaldring 21 - Stuttgart - Baden-Wuerttemberg - Germany

Session	SF4	Accepted		Order	Time
Talk	Oral abstract	Title	Relativistic MHD Jets Simulations with Discontinuous Galerkin Methods
Co-authors
Abstract	In this work we present a new numerical code for solving the relativistic magnetohydrodynamics (SRMHD) equations. Our code is based on a very efficient implementation of the Discontinuous Galerkin Spectral Element Method, which allows us to achieve high orders of accuracy. The calculation of the fluxes at the intercell points is carried out by solving the Riemann problem with a variety of Riemann solvers. Regarding the time discretization, we employ the explicit low storage fourth order Runge-Kutta methods. The divergence free character of the magnetic field is numerically preserved by making use of the Generalized Lagrange Multiplier hyperbolic transport correction. We check our code by solving several standard test problems for the SRMHD equations in 1D, 2D and 3D, including the typical 1D Riemann problems, the relativistic version of the compressible Orszag-Tang vortex, and the magnetic blast problem. Of special interest are the astrophysical applications. We perform several 3D simulations of the propagation relativistic magnetized jets for different initial configurations, and additionally we simulate the Kelvin-Helmholtz instability induced turbulence.