Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsh13b1541o&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #SH13B-1541
Physics
2101 Coronal Mass Ejections (7513), 2102 Corotating Streams, 2111 Ejecta, Driver Gases, And Magnetic Clouds, 2139 Interplanetary Shocks, 2164 Solar Wind Plasma
Scientific paper
Modeling the origin of coronal mass ejections (CMEs) is still in the research phase and it is not expected that real events can be routinely simulated in near future. Therefore, we have developed an intermediate modeling system which uses fitted coronagraph observations and launches 3D ejecta into background solar wind. This modeling system is fast and robust, and it enables simulation of virtually any observed heliospheric event. Multi-point in-situ and remote observations are crucial to estimating accuracy of numerical simulations. We present 3D numerical magnetohydrodynamic simulations of selected heliospheric events observed by ACE, STEREO, MESSENGER, and SMEI spacecraft. We assumed different initial spherical or flux-rope geometric CME-like structures, simulated their interactions with the structured background solar wind, and present comparison with resent observations.
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