Physics – Plasma Physics
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011jgra..11609230s&link_type=abstract
Journal of Geophysical Research, Volume 116, Issue A9, CiteID A09230
Physics
Plasma Physics
Magnetospheric Physics: Instruments And Techniques, Space Plasma Physics: Mathematical And Numerical Techniques (0500, 3200)
Scientific paper
A first attempt is made to reconstruct magnetic field and pressure distributions in steady, three-dimensional (3D), magnetohydrostatic structures, using field and plasma data taken by two proximate spacecraft as they traverse such structures in space. The reconstruction is based on integration of the four scalar magnetohydrostatic equations for the field components and the pressure in a narrow region surrounding the spacecraft paths. The equations have been adapted for use in such reconstruction and a numerical code based on them has been written. The code has been benchmarked by use of synthetic data taken at points along straight lines through an exact, spheromak-type, axially symmetric, solution of the equations. The results demonstrate that reasonably accurate reconstruction of time-independent, 3D magnetohydrostatic structures is in principle possible.
Hasegawa Hiroshi
Sonnerup Bengt U. Ö.
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