Computer Science – Numerical Analysis
Scientific paper
Mar 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995jgr...100.3585s&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 100, no. A3, p. 3585-3600
Computer Science
Numerical Analysis
6
Cold Plasmas, Electrostatic Waves, Ion Beams, Magnetohydrodynamic Flow, Particle In Cell Technique, Plasmasphere, Stability, Numerical Analysis, Scattering Functions, Shock Waves, Temporal Distribution, Velocity Distribution
Scientific paper
Large-scale models of plasmaspheric refilling have revealed that during the early stage of the refilling counterstreaming ion beams are a common feature. However, the instability of such ion beams and its effect on refilling remain unexplored. In order to learn the basic effects of ion beam instabilities on refilling, we have performed numerical simulations of the refilling of an artificial magnetic flux tube. (The shape and size of the tube are assumed so that the essential features of the refilling problem are kept in the simulation and at the same time the small scale processes driven by the ion beams are sufficiently resolved.) We have also studied the effect of commonly found equatorially trapped warm and/or hot plasma on the filling of a flux tube with a cold plasma. Three types of simulation runs have been performed.
Leung Chi-Wai
Singh Nagendra
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