MAG -- two-dimensional resistive MHD code using an arbitrary moving coordinate system. The MAG code used for two-dimensional magnetohydrodynamics flow modelling is described. MAG algorithms are formulated for an arbitrary moving coordinate system. MAG can calculate flows with large deformations contained inside a region whose weakly deformed boundaries maintain the correct description of boundary conditions. Numerical experiments with two-dimensional MHD flows calculations show that the proposed numerical schemes are quite robust and accurate. Sample calculations illustrating the properties of the algorithms are presented.

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