Computer Science – Numerical Analysis
Scientific paper
Apr 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...284..654e&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 284, no. 2, p. 654-662
Computer Science
Numerical Analysis
24
Collimation, Computerized Simulation, Hydrodynamics, Inertial Confinement Fusion, Plasma Jets, Relativistic Plasmas, Relativity, Lorentz Transformations, Numerical Analysis
Scientific paper
We present an explicit numerical method to handle problems in special relativistic hydrodynamics. This method is a special relativistic extension of a Roe solver method for nonrelativistic flow. The method is used to simulate the collimation of an initially spherical outflow by a thickened disk (i.e. collimation by inertial confinement). Previous nonrelativistic results indicated that this is a mechanism to form jets. Here we show that this mechanism can also generate relativistic jets The highest Lorentz factor achieved in thse simulations is 15. We discuss the differences between the relativistic and nonrelativistic flow.
Eulderink Frits
Mellema Garrelt
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