Journal Article

General relativistic numerical simulation of sub-Keplerian transonic accretion flows on to black holes: Schwarzschild space–time

Jinho Kim, Sudip K. Garain, Dinshaw S. Balsara and Sandip K. Chakrabarti

in Monthly Notices of the Royal Astronomical Society

Published on behalf of Royal Astronomical Society

Volume 472, issue 1, pages 542-549
ISSN: 0035-8711
Published online August 2017 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1093/mnras/stx1986
General relativistic numerical simulation of sub-Keplerian transonic accretion flows on to black holes: Schwarzschild space–time

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Abstract

We study time evolution of sub-Keplerian transonic accretion flows on to black holes using a general relativistic numerical simulation code. We perform simulations in Schwarzschild space–time. We first compare one-dimensional simulation results with theoretical results and validate the performance of our code. Next, we present results of axisymmetric, two-dimensional simulation of advective flows. We find that even in this case, for which no complete theoretical analysis is present in the literature, steady-state shock formation is possible.

Keywords: accretion, accretion discs; black hole physics; hydrodynamics; shock waves; methods: numerical

Journal Article.  5968 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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