Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsm51a1317h&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SM51A-1317
Physics
[2721] Magnetospheric Physics / Field-Aligned Currents And Current Systems, [2753] Magnetospheric Physics / Numerical Modeling, [2778] Magnetospheric Physics / Ring Current
Scientific paper
We will report on recent progress in merging the OpenGGCM global MHD magnetosphere model with the Rice Convection Model (RCM) by presenting results of some initial runs of the two-way coupled code. In these runs, the OpenGGCM-computed ionospheric potential, magnetic field and plasma parameters were used as inputs to the RCM. In return the RCM passes pressure and density information back to the OpenGGCM. We will compare two-way coupled model results with the stand-alone OpenGGCM to show the effects of the RCM feedback on pressure, density and the magnetic field. The two-way coupled code produces a ring current with more realistic pressure and density distribution. We also explore new approaches for calculating field-aligned currents, using both a direct integration method and a modified version of the Vasyliunas equation that includes the effects of inertial currents. Inner-magnetospheric effects of these currents will be explored.
Hu Beilai
Larson David J.
Raeder Joachim
Toffoletto Frank
Vapirev A.
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