A Solar Flare Model in between Mhd and Cellular Automaton
نویسندگان
چکیده
The last decade several cellular automata (CA) models have been developed in order to explain the solar flare statistics derived from observations. These models simulate the storage/release process using simple evolution rules, neglecting the details of the processes. The main advantage of this approach is the treatment of a large number of elementary energy release events (avalanches) and the reproduction of the observed solar flare statistics. On the other hand the energy release process has been modeled for years using MHD numerical simulations. In the MHD approach the magnetic reconnection (the energy release process) is simulated in detail, but it fails to treat a large number of reconnection events, which leads to poor statistics for comparison to solar flares. We present here preliminary results of a new type of CA model for solar flares, based on the insights accumulated in MHD simulations and the analysis of the so-far existing CA models. Our goal is to connect the two seemingly totally different, complementary approaches (CA and MHD) for the solar flare problem. * In The Proceedings of 4 Astronomical Conference of HEL.A.S. (Ed. J. Seimenis), pp.213-218, 2001.
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