Numerical studies of wind accretion using SPH. 1: 2D simulations

Details Numerical studies of wind accretion using SPH. 1: 2D simulations Numerical studies of wind accretion using SPH. 1: 2D simulations

Apr 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...284.1026b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 284, no. 3, p. 1026-1036

Computer Science

Numerical Analysis

12

Oscillations, Periodic Variations, Shock Fronts, Stability, Stellar Mass Accretion, Stellar Winds, Computerized Simulation, Gravitation, Hydrodynamic Equations, Lagrangian Function, Numerical Analysis, Two Dimensional Models

Scientific paper

Two-dimensional numerical simulations of accretion by a gravitating object from a homogeneous wind are performed using Smooth Particle Hydrodynamic (SPH). The effects of several parameters changes as well as the algorithm modifications are studied. The flow is in most cases weakly unstable with a very small, quasi-periodic oscillation of the shock cone. Comparison with previous works is also done.

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