Physics
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsm21a0765t&link_type=abstract
American Geophysical Union, Fall Meeting 2001, abstract #SM21A-0765
Physics
7827 Kinetic And Mhd Theory, 7843 Numerical Simulation Studies, 7859 Transport Processes, 7867 Wave/Particle Interactions, 7868 Wave/Wave Interactions
Scientific paper
An algorithm for cross-scale plasma simulation is proposed in this study. Governing equations for cross-scale plasma simulations are derived analytically and self-consistently in three time scales: the electron time scale, the ion time scale, and the macro time scale, which ranges from quasi-MHD time scale to MHD time scale. Coupling effects between different time scales are included in each set of governing equations. In our model, large-scale low-frequency simulations will provide initial and boundary conditions for small-scale high-frequency simulations. Whereas, anomalous dissipations due to wave-wave and wave-particle interactions can be obtained from small-scale high-frequency simulations at a few sampled points and will be feedback into large-scale low-frequency simulation. Preliminary numerical simulation results obtained based on this algorithm will be presented.
Chen Michelle
Lyu L.
Tsai Tun Tao
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