Equilibrium of isolated magnetostatic flux structure
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Two-dimensional magnetostatic models of flux structure confined in stratified atmosphere are discussed in the present paper. The magnetic field in the flux structure is assumed to be force-free at the first step. Numerical solutions for this nonlinear free boundary problem are obtained by finite element method. Results show clearly the relation between the inside fields and outside pressure, especially the influence of atmospheric pressure distribution on the flux structure.
KeywordsAtmosphere Magnetic Field Finite Element Method Atmospheric Pressure Distribution Free Boundary
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