Computer Science – Numerical Analysis
Scientific paper
Nov 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983nascp.2280.667s&link_type=abstract
In JPL Solar Wind Five p 667-673 (SEE N84-13067 03-92)
Computer Science
Numerical Analysis
Coronal Loops, Energy Transfer, Hydrodynamics, Magnetohydrodynamics, Solar Corona, Solar Flares, Surges, Equations Of Motion, Leading Edges, Mathematical Models, Numerical Analysis
Scientific paper
Numerical simulations of the formation and propagation of mass ejection, loop transients in coronal streamers are discussed. The simulations are accomplished with numerical solutions of the single fluid, ideal MHD equations of motion in the meridional plane. The streamer is produced by simulating the relaxation of an initially radial hydrodynamic flow coupled with a dipole magnetic field. The simulated transient then results from an energy release at the base of the streamer. The legs of the loop transient produced remain essentially stationary while the loop expands mainly in the radial direction with velocities of 400 to 750 km s-1. Once the leading edge of the transient has passed out of the lower corona, the initial streamer configuration is restored after 15 to 24 hours. A second energy release 2 hours later than, and with an energy release identical to, the first does not produce a significant coronal disturbance.
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