Hydrodynamic modeling of accretion onto stellar magnetospheres

Details Hydrodynamic modeling of accretion onto stellar magnetospheres Hydrodynamic modeling of accretion onto stellar magnetospheres

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26a...364..901k&link_type=abstract

Astronomy and Astrophysics, v.364, p.901-910 (2000)

Astronomy and Astrophysics

Astrophysics

8

Accretion, Accretion Disks, Hydrodynamics

Scientific paper

A numerical investigation is performed of the accretion of slowly rotating matter onto a stellar magnetosphere. The shape of the magnetosphere is represented by an impermeable, contracted dipole magnetic field surface with polar holes. Depending on the governing parameters, both steady-state solutions with a system of discontinuities and unsteady flows with expanding shock waves can be obtained. Certain solutions exhibit extended outflow regions. The simulation is performed using a high-resolution finite volume numerical scheme and structured irregular grids adapted to the shape of the accreting body.

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