Summary
We present the preliminary results of a time-dependent simulation, with the Smoothed-Particle Hydrodynamics tecnique, of the accretion of gas onto Schwartzschild black holes. The flow should exibit a stable shock for the parameters chosen. In the case of 1D axisymmetric simulations, we find that the predicted inner shock position is unstable. For 2D axisymmetric simulations, in the light of the first runs, we argue that in this case shocks may be a more common result.
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Molteni, D., Chakrabarti, S. Shocks in accretion flows with SPH. Il Nuovo Cimento C 16, 685–689 (1993). https://doi.org/10.1007/BF02512052
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DOI: https://doi.org/10.1007/BF02512052