Using particle simulations for parameter tuning of dynamical models of the magnetotail

Details Using particle simulations for parameter tuning of dynamical models of the magnetotail Using particle simulations for parameter tuning of dynamical models of the magnetotail

Mar 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002jastp..64..633d&link_type=abstract

Journal of Atmospheric and Solar-Terrestrial Physics, Volume 64, Issue 5-6, p. 633-638.

Physics

2

Scientific paper

WINDMI is a family of dynamical models of the magnetotail that use different closure schemes to derive truncated descriptions of the collisionless microscopic energy transfer processes occurring in the quasineutral layer. The six-dimensional systems are both Kirchhoffian and Hamiltonian in structure, ensuring that the power input from the solar wind is divided into physically realizable energy sub-components. Model parameters are defined analytically as volume integrals of physically identifiable quantities. Particle simulations are used to calculate the parameters for the various models, giving a direct comparison of the relative advantages of different closure schemes. A collisionless kinetic closure scheme that includes the heat flux gives better agreement with observations by allowing for a rapid non-adiabatic cooling of the central plasma sheet (CPS).

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