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Global Magnetospheric Time Evolution via MHD.

Brian Curtis George Mason University 11-28-2007. Global Magnetospheric Time Evolution via MHD. Community Coordinated Modeling Center (CCMC) ‏.

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Global Magnetospheric Time Evolution via MHD.

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  1. Brian Curtis George Mason University 11-28-2007 Global Magnetospheric Time Evolution via MHD.

  2. 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

  3. OpenGGCM • Open Geospace General Circulation Model http://openggcm.sr.unh.edu/wiki/index.php/Grids

  4. BATSRUS • Block Adaptive-Tree Solar-wind Roe-type Upwind Scheme

  5. Cartoon representation of the magnetosphere

  6. Outline • Plasma Flows • Convection • Currents • Ring Current • Cross Tail Current • Magnetopause current • 3 Model Run Movies • Features

  7. Plasma Flows magnetopause • Flow towards sun on the inside. • flows around ionosphere • Flow away from sun • Magnetopause flow Axford and Hines model of convection

  8. Bow Shock Magnetopause Flow towards and aroundearth

  9. Currents • Cross Tail • Magnetopause • Ring

  10. Cross Tail and Magnetopause Currents MagnetopauseCurrent

  11. Ring Current

  12. Magnetotail cross-section

  13. Model Run 1 • ESS261_CCMC_072407_1 (BATSRUS RCM)‏

  14. Model Run 2 • hien_vo_111407_1 (OpenGGCM)‏

  15. Model Run 3 • Natasha_Buzulukova_082907_1 (BATSRUS)‏

  16. 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).

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