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Numerical simulations of stellar winds

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Abstract

We discuss steady-state transonic outflows obtained by direct numerical solution of the hydrodynamic and magnetohydrodynamic equations. We make use of the Versatile Advection Code, a software package for solving systems of (hyperbolic) partial differential equations. We model thermally and magneto-centrifugally driven stellar outflows as generalizations of the well-known Parker and Weber-Davis wind solutions. To obtain steady-state solutions efficiently, we exploit fully implicit time stepping. Wind solutions containing both a 'wind' and a 'dead' zone are presented. We emphasize the boundary conditions imposed at the stellar surface. For axisymmetric wind solutions, we use the knowledge of the flux functions to verify the numerical solutions.

Year of Publication
1999
Journal
Space Science Reviews
Volume
87
Number
1-2
Number of Pages
223-226
Date Published
1999
ISBN Number
0038-6308
DOI
PId
1f28f8ebd36eafdb0b2bd6283f302d8f
Journal Article
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