Space charge and potential distribution around a spacecraft in an isotropic plasma

Details Space charge and potential distribution around a spacecraft in an isotropic plasma Space charge and potential distribution around a spacecraft in an isotropic plasma

Apr 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jgra..11104211c&link_type=abstract

Journal of Geophysical Research, Volume 111, Issue A4, CiteID A04211

Physics

Plasma Physics

Space Plasma Physics: Spacecraft Sheaths, Wakes, Charging, Space Plasma Physics: Mathematical And Numerical Techniques (0500, 3200), Mathematical Geophysics: Numerical Approximations And Analysis (4260), Space Plasma Physics: Charged Particle Motion And Acceleration, Space Plasma Physics: Electrostatic Structures

Scientific paper

The stationary Vlasov-Poisson system modeling the interactions between plasma and a satellite in a three-dimensional framework without reemission is studied. The case of a sphere and a general object shape in a Maxwellian plasma are considered. An analytical expression of the space charge is available in the first case under an approximation. The asymptotic behavior of the space charge and the electrostatic potential are studied. On the basis of this analysis, an optimal relaxation iterative algorithm is built for the solution of the Vlasov-Poisson model. In the second case the space charge in the whole space is computed using a stationary algorithm based on a Lagrangian method.

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