Statistics – Computation
Scientific paper
Jul 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jgr....93.7318g&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 93, July 1, 1988, p. 7318-7324.
Statistics
Computation
17
Magnetohydrodynamic Flow, Magnetoplasmadynamics, Stagnation Point, Viscous Flow, Computational Fluid Dynamics, Magnetic Fields, Magnetopause, Plasma Physics
Scientific paper
This paper analyzes the steady state situation in which two separate and counterstreaming plasmas (assumed to be incompressible) carrying antiparallel magnetic fields are separated by a resistive current layer. Exact solutions are presented, which describe the stagnation point flow pattern and magnetic field behavior which result. They incorporate the effects of viscosity, which makes it possible to model flows with vorticity. The uniform plasma flow which is obtained at large distances from the current layer makes it possible to specify finite values of the asymptotic magnetic field. The exact solutions complement those of a different type obtained by Sonnerup and Priest (1975), which assume potential flow, i.e., zero vorticity. The results obtained are discussed in relation to observational features at the earth's magnetopause.
Biernat Helfried K.
Gnavi Graciela
Gratton Fausto T.
Heyn Martin F.
Rijnbeek Richard Philip
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