Geodesic
Modelling and simulating a multispecies plasma
Mehdi Badsi1 ; Maxime Herda2
1 Laboratoire Jaques Louis-Lions (LJLL), Universit Pierre et Marie Curie (Paris-VI), 4 place Jussieu, 75252 Paris Cedex 05, France.
2 Institut Camille Jordan (ICJ), Universit Claude Bernard Lyon 1, 43 boulevard du 11 novembre 1918, 69622 Villeurbanne Cedex, France.
ESAIM. Proceedings, Tome 53 (2016), pp. 22-37.

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This paper is devoted to the modelling and numerical simulations of collisionless multispecies plasmas. In the framework of tokamak applications, we detail the dimensional analysis of the coupled kinetic system in order to extract the important parameters of the model. From there, we focus on two asymptotics. We first investigate the implementation of a solver adapted the quasineutral limit in order to deal with large scale simulations. In a second time, we study the massless electron approximation through numerical experiments and question the validity of the usual Maxwell-Boltzmann density approximation.
DOI : 10.1051/proc/201653002

Mehdi Badsi 1 ; Maxime Herda 2

1 Laboratoire Jaques Louis-Lions (LJLL), Universit Pierre et Marie Curie (Paris-VI), 4 place Jussieu, 75252 Paris Cedex 05, France.
2 Institut Camille Jordan (ICJ), Universit Claude Bernard Lyon 1, 43 boulevard du 11 novembre 1918, 69622 Villeurbanne Cedex, France. 
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     title = {Modelling and simulating a multispecies plasma},
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Mehdi Badsi; Maxime Herda. Modelling and simulating a multispecies plasma. ESAIM. Proceedings, Tome 53 (2016), pp. 22-37. doi : 10.1051/proc/201653002. http://geodesic.mathdoc.fr/articles/10.1051/proc/201653002/

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