Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsa51a1530r&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #SA51A-1530
Physics
2721 Field-Aligned Currents And Current Systems (2409), 2736 Magnetosphere/Ionosphere Interactions (2431), 2740 Magnetospheric Configuration And Dynamics, 2753 Numerical Modeling
Scientific paper
The magnetosphere within the Space Weather Modeling Framework (SWMF) has been represented by a global magnetosphere model (BATSRUS), an inner magnetosphere model (the Rice Convection Model) and a model of the ionospheric electrodynamics. We present significant improvements in the SWMF: (1) We have implemented a spherical grid within BATSRUS and have utilized this for modeling the magnetosphere; (2) We have significantly improved the physics of the auroral oval within the ionospheric electrodynamics code, modeling a self-consistent diffuse and discrete auroral oval; (3) We utilize the multifluid MHD code within BATSRUS to allow for more accurate specification and differentiation of the density within the magnetosphere; and (4) we have incorporated the Hot Electron and Ion Drift Integrator (HEIDI) ring current code within the SWMF. We will present these improvements and show the quantitative differences within the model results when comparing to a suite of measurements for a number of different intervals.
Dezeeuw Darren
Ilie Raluca
Liemohn Michael
Ridley Aaron J.
Sokolov Iu. I.
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