Global, Three-Dimensional Hybrid Code Simulation of the Earth's Magnetosphere: Field and Particle

Details Global, Three-Dimensional Hybrid Code Simulation of the Earth's Magnetosphere: Field and Particle Global, Three-Dimensional Hybrid Code Simulation of the Earth's Magnetosphere: Field and Particle

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsm71a0568r&link_type=abstract

American Geophysical Union, Fall Meeting 2002, abstract #SM71A-0568

Physics

2740 Magnetospheric Configuration And Dynamics, 2784 Solar Wind/Magnetosphere Interactions, 7827 Kinetic And Mhd Theory, 7843 Numerical Simulation Studies

Scientific paper

This paper describes the development of three dimensional global scale hybrid code on a massively parallel computer to simulate the Earth's Magnetosphere. The code calculates the interaction of fully kinetic ions and a massless electron fluid with the magnetic fluid. The code uses generalized curvilinear coordinates. This makes it possible to achieve high spatial resolution in regions near the Earth, in the plasma sheet and near the magnetopause, while using a much lower density of grid points in the magnetotail lobes where the resolution is not needed. The code also includes a fluid ion component to approximate the cold ionospheric plasma that spatially overlaps with the discrete particle component. A unique feature of the code is the use of multiple, discontinuously connected coordinate patches to span the magnetosphere in a way that includes the ionospheric shell as a boundary surface. The present paper describes the particle pushing and field algorithms used in the code in this context. The code will be used to study substorm growth and expansive phases.

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