%0 Conference Article %T Study of the physical mechanism of a solar flare using MHD modeling over an active region: the onset of an extended surface of magnetic lines passing through a chain of current density maxima %A Podgorny, A.I. %A Podgorny, I.. %K solar flare; current sheet; MHD simulation; active region %J Modern astronomy: from the Early Universe to exoplanets and black holes %D 2024 %P 5 %I Special Astrophysical Observatory of the Russian Academy of Sciences