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Dive into the dynamic evolution of Earth's magnetosphere using advanced MHD models. Explore plasma flows, currents, and magnetopause dynamics through model runs and simulations. Discover new insights into space weather phenomena.
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Brian Curtis George Mason University 11-28-2007 Global Magnetospheric Time Evolution via MHD.
Community Coordinated Modeling Center (CCMC) • Mission: The CCMC is a multi-agency partnership to enable, support and perform the research and development for next-generation space science and space weather models. • http://ccmc.gsfc.nasa.gov
OpenGGCM • Open Geospace General Circulation Model http://openggcm.sr.unh.edu/wiki/index.php/Grids
BATSRUS • Block Adaptive-Tree Solar-wind Roe-type Upwind Scheme
Outline • Plasma Flows • Convection • Currents • Ring Current • Cross Tail Current • Magnetopause current • 3 Model Run Movies • Features
Plasma Flows magnetopause • Flow towards sun on the inside. • flows around ionosphere • Flow away from sun • Magnetopause flow Axford and Hines model of convection
Bow Shock Magnetopause Flow towards and aroundearth
Currents • Cross Tail • Magnetopause • Ring
Cross Tail and Magnetopause Currents MagnetopauseCurrent
Model Run 1 • ESS261_CCMC_072407_1 (BATSRUS RCM)
Model Run 2 • hien_vo_111407_1 (OpenGGCM)
Model Run 3 • Natasha_Buzulukova_082907_1 (BATSRUS)
References • http://www.cs.berkeley.edu/~rajeshn/TA/cs267.sp06/hw0/results/benmar/ • http://openggcm.sr.unh.edu/wiki/index.php/Grids • http://ccmc.gsfc.nasa.gov/requests/grid_UCLA-GGCM.php • http://ccmc.gsfc.nasa.gov • Dr. Weigel (took some lecture pictures).