Other
Scientific paper
Feb 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004mnras.348..192c&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 348, Issue 1, pp. 192-200.
Other
3
Hydrodynamics, Instabilities, Stars: Mass-Loss, Stars: Oscillations, Stars: Variables: Other
Scientific paper
The simulation of stellar instabilities requires a sufficient resolution of shocks, ionization zones and instability regions. Resolution problems in the latter may occur in simulations of the evolution of strange mode instabilities, if a Lagrangian description is used and the instability leads to a mass transfer in the stellar envelope, which is found for selected models of luminous blue variables. This necessitates a reconstruction of the Lagrangian grid. A grid reconstruction procedure suitable for the treatment of resolution problems occurring in simulations of stellar instabilities is presented and verified. This includes a systematic study of the influence of grid resolution and artificial viscosity on the result of numerical calculations.
Chernigovski S.
Glatzel Wolfgang
Grott Matthias
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