MHD simulation of magnetic field configuration above the active region NOAA 10365 |
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Authors: | AI Podgorny IM Podgorny |
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Institution: | 1. Lebedev Physical Institute RAS, Leninsky Prospect, 53, 119991 Moscow, Russia;2. Institute for Astronomy RAS, Pyatnitskaya Str., 48, Moscow 119107, Russia |
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Abstract: | The current sheet (CS) creation before a flare in the vicinity of a singular line above the active region NOAA 10365 is shown in numerical experiments. Such a way the possibility of energy accumulation for a solar flare is demonstrated. These data and results of observation confirm the electrodynamical solar flare model that explains solar flares and CME appearance during CS disruption. The model explains also all phenomena observed in flares. For correct reproduction of the real boundary conditions the magnetic flux between spots should be taken into account. The full system of 3D MHD equations are solved using the PERESVET code. For setting the boundary conditions the method of photospheric magnetic maps is used. Such a method permits to take into account all evolution of photospherical magnetic field during several days before the flare. |
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Keywords: | Solar flare CME Current sheet Magnetic hydrodynamics |
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