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Pré-Publication, Document De Travail Année : 2015

Quasi-neutrality equation in a polar mesh

Résumé

In this work, we are concerned with the numerical resolution of the quasi-neutrality equation arising in plasma physics. A classic method is based on a Padé approximation. Two other methods are proposed in this paper: a Padé approximation of higher order and a direct method in the space configuration which consists in integrating on the gyrocircles using interpolation operator. Numerical comparisons are performed with analytical solutions and considering the 4D drift-kinetic model with one Larmor radius. This is a preliminary study; further study in GYSELA is envisioned.
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Dates et versions

hal-01248179 , version 1 (24-12-2015)

Identifiants

  • HAL Id : hal-01248179 , version 1

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Christophe Steiner, Michel Mehrenberger, Nicolas Crouseilles, Philippe Helluy. Quasi-neutrality equation in a polar mesh. 2015. ⟨hal-01248179⟩
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