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Article Dans Une Revue Communications in Contemporary Mathematics Année : 2019

The finite Larmor radius regime : collisional setting and fluid models

Résumé

The subject matter of this paper concerns the derivation of fluid limits for gyro-kinetic models. The arguments apply for any collision kernel satisfying the usual conservations (mass, momentum, kinetic energy) and possessing a production entropy sign. We describe the set of equilibria in terms of several moments, we determine the average collision invariants, and we write the associated macro-scopic equations and the entropy inequality.
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Dates et versions

hal-01706310 , version 1 (11-02-2018)
hal-01706310 , version 2 (19-08-2019)

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Citer

Mihai Bostan, Aurélie Finot. The finite Larmor radius regime : collisional setting and fluid models. Communications in Contemporary Mathematics, In press, ⟨10.1142/S0219199719500470⟩. ⟨hal-01706310v2⟩
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