3-D MHD simulations of CMEs by coupled coronal and heliospheric models

Details 3-D MHD simulations of CMEs by coupled coronal and heliospheric models 3-D MHD simulations of CMEs by coupled coronal and heliospheric models

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.506...95o&link_type=abstract

In: Solar variability: from core to outer frontiers. The 10th European Solar Physics Meeting, 9 - 14 September 2002, Prague, Cze

Physics

Coronal Mass Ejection, Magnetic Flux Rope, Solar Wind, Interplanetary Shock, Magnetohydrodynamic Model, Numerical Simulation

Scientific paper

Merging of coronal and heliospheric magnetohydrodynamic (MHD) models is demonstrated for a 3-D idealized case involving a magnetic flux rope, shock, streamer belt, and current sheet. The disruption of a sheared helmet streamer launches a coronal mass ejection (CME, simulated by the coronal model), which evolves during its propagation through interplanetary space (simulated by the heliospheric model). These models employ different physical approximations and numerical grids to simulate physical phenomena over their respective spatial and temporal domains. The coupled simulations enables self-consistent tracking of transient disturbances from their origin in the solar atmosphere to their geoeffective consequences at the Earth.

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