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Multi-spot ignition in type Ia supernova models
F. K. Roepke, W. Hillebrandt, J. C. Niemeyer +1
We present a systematic survey of the capabilities of type Ia supernova explosion models starting from a number of flame seeds distributed around the center of the white dwarf star…
Thermonuclear supernova simulations with stochastic ignition
W. Schmidt, J. C. Niemeyer
We apply an ad hoc model for dynamical ignition in three-dimensional numerical simulations of thermonuclear supernovae assuming pure deflagrations. The model makes use of the stati…
Level set simulations of turbulent thermonuclear deflagration in degenerate carbon and oxygen
W. Schmidt, W. Hillebrandt, J. C. Niemeyer
We study the dynamics of thermonuclear flames propagating in fuel stirred by stochastic forcing. The fuel consists of carbon and oxygen in a state which is encountered in white dwa…
A Model for Multidimensional Delayed Detonations in SN Ia Explosions
I. Golombek, J. C. Niemeyer
We show that a flame tracking/capturing scheme originally developed for deflagration fronts can be used to model thermonuclear detonations in multidimensional explosion simulations…