RCM meets LFM: initial results of one-way coupling

Details RCM meets LFM: initial results of one-way coupling RCM meets LFM: initial results of one-way coupling

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004jastp..66.1361t&link_type=abstract

Journal of Atmospheric and Solar-Terrestrial Physics, Volume 66, Issue 15-16, p. 1361-1370.

Physics

19

Scientific paper

While single fluid magnetohydrodynamics (MHD) is generally held to be the simplest complete first-order representation of the large-scale structure and dynamics of Earth's magnetosphere and its interaction with the solar wind, it fails to provide an adequate representation of conditions in the inner magnetosphere where energy-dependent gradient and curvature drifts become important. As part of the space environment modeling activities of the Center for Integrated Space Weather Modeling (CISM), we are working to integrate the computational machinery of the inner-magnetosphere Rice Convection Model (RCM) in the Lyon-Fedder-Mobarry (LFM) global MHD model of the magnetosphere. We describe our approach to coupling these two computational units and report on our initial application of the coupled code, a test of one-way coupling using LFM-computed magnetic and electric fields, ionospheric conductance, and plasma distribution to drive the RCM. We examine the inner magnetosphere effects of this coupling, including the formation of both the ring current and the region-2 field-aligned current system. We compare the resulting inner magnetosphere plasma distribution with LFM results obtained without RCM coupling.

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