Computer Science – Numerical Analysis
Scientific paper
Apr 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995jgr...100.5657f&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 100, no. A4, p. 5657-5663
Computer Science
Numerical Analysis
8
Flux Transfer Events, Magnetic Field Reconnection, Magnetopause, Magnetosheath, Solar Wind, Vortices, Computerized Simulation, Magnetohydrodynamics, Numerical Analysis, Topology, Two Dimensional Models, Vortex Generators
Scientific paper
Vortex-induced magnetic reconnection (VIMR) and bursty single X line reconnection (BSXR) at the magnetopause are studied using two-dimensional MHD simulation. The VIMR and BSXR occur when the flow-aligned Alfven Mach number is greater or less, repectively, than a critical value which typically ranges from 0.3 to 0.6 for different anomalous resistance conditions. In the former case, the streamlines and magnetic field lines are in alignment and construct a concentric vortical pattern, whereas in the latter case, magnetic field lines do not form closed loops, and vortices occur around the X line. The topological structure of the asymptotic quasi-steady state of 2-D reconnection depends strongly upon the topological invariants such as the cross helicity. The different sites where VIMR and BSXR work at the magnetopause to form flux transfer events are discussed.
Fu S. Y.
Liu Zhen-Xing
Pu Zu Yin
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