Physics – Plasma Physics
Scientific paper
Apr 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pcnf.rept...79w&link_type=abstract
In its Proceedings of the Second International Toki Conference on Plasma Physics and Controlled Nuclear Fusion. Nonlinear Phenom
Physics
Plasma Physics
Computerized Simulation, Magnetic Fields, Magnetohydrodynamics, Plasma Layers, Solar Wind, Bow Waves, Deformation, Finite Difference Theory, Geomagnetism, Magnetopause, Runge-Kutta Method, Shock Waves
Scientific paper
A 3-D high accuracy magnetohydrodynamic (MHD) simulation code was developed, in which the 4th order Runge-Kutta-Gill method and the direct finite difference method were adopted. A global 3-D MHD simulation of the magnetosphere involving the distant tail (to 100 RE) was performed using the new simulation code. Initially, the geomagnetic field is given as the superposition of a dipole field placed at the center of the earth and its mirror image dipole outside the solar boundary. As the solar wind flows from the solar boundary into the simulation box, the initial dipole field is deformed to the magnetosphere configuration, forming the bow shock, magnetopause, polar cusp, plasma sheet, etc. within 1.5 hours. The features of the formed magnetosphere is shown, where the magnetic field lines and solar wind streamlines are drawn for the meridian cross section.
Kageyama Akira
Sato Tetsuya
Usadi Adam
Watanabe Katsuhiro
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