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A five-wave HLL Riemann solver for relativistic MHD
A. Mignone, M. Ugliano, G. Bodo
We present a five-wave Riemann solver for the equations of ideal relativistic magnetohydrodynamics. Our solver can be regarded as a relativistic extension of the five-wave HLLD Rie…
Simulating radiative astrophysical flows with the PLUTO code: A non-equilibrium, multi-species cooling function
O. Tesileanu, A. Mignone, S. Massaglia
Time-dependent cooling processes are of paramount importance in the evolution of astrophysical gaseous nebulae and, in particular, when radiative shocks are present. The present wo…
Evolution of perturbed accelerating relativistic shock waves
G. Palma, A. Mignone, M. Vietri +1
We study the evolution of an accelerating hyperrelativistic shock under the presence of upstream inhomogeneities wrinkling the discontinuity surface. The investigation is conducted…
Formation of dynamical structures in relativistic jets: the FRI case
P. Rossi, A. Mignone, G. Bodo +2
Strong observational evidence indicates that all extragalactic jets associated with AGNs move at relativistic speed up to 100 pc - 1 kpc scales from the nucleus. At larger distance…
On the linear theory of Kelvin-Helmholtz instabilities of relativistic magnetohydrodynamic planar flows
Z. Osmanov, A. Mignone, S. Massaglia +2
We investigate the linear stability properties of the plane interface separating two relativistic magnetized flows in relative motion. The two flows are governed by the (special) r…
Two-component jet simulations: I. Topological stability of analytical MHD outflow solutions
T. Matsakos, K. Tsinganos, N. Vlahakis +3
Observations of collimated outflows in young stellar objects indicate that several features of the jets can be understood by adopting the picture of a two-component outflow, wherei…