Physics – Space Physics
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ysc..conf...73d&link_type=abstract
Advances in Astronomy and Space Physics, Proceedings of the 17th Young Scientists' Conference on Astronomy and Space Physics, he
Physics
Space Physics
Scientific paper
We present a new model of the magnetospheric magnetic field. Using the finite element method, Chapman-Ferraro problem is solved numerically in the considered approach. The whole magnetic field is a sum of: the dipole field, the field, produced by the internal current systems (cross-tail, Birkeland, ring currents) and the field induced by the magnetopause currents. In contrast to similar earlier models, the internal magnetospheric magnetic fields are taken from Tsyganenko data-based model. The magnetosphere boundary could be arbitrary (generally non-axisymmetric). Input model parameters are the solar wind parameters, the Dst index and the dipole tilt angle. We discuss some results, obtained in three dimensional solution of the Neumann-Dirichlet problem corresponding to a closed magnetosphere.
Dobreva P. S.
Kartalev M. D.
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