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Communication Dans Un Congrès Année : 2012

Energy stability analysis for a hybrid fluid-kinetic plasma model

Philip Morrison
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Cesare Tronci

Résumé

In plasma physics, a hybrid fluid-kinetic model is composed of a magnetohydrodynamics (MHD) part that describes a bulk fluid component and a Vlasov kinetic theory part that describes an energetic plasma component. While most hybrid models in the plasma literature are non-Hamiltonian, this paper investigates a recent Hamiltonian variant in its two-dimensional configuration. The corresponding Hamiltonian structure is described along with its Casimir invariants. Then, the energy-Casimir method is used to derive explicit sufficient stability conditions, which imply a stable spectrum and suggest nonlinear stability.
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Dates et versions

hal-01053857 , version 1 (02-08-2014)

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  • HAL Id : hal-01053857 , version 1

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Philip Morrison, Emanuele Tassi, Cesare Tronci. Energy stability analysis for a hybrid fluid-kinetic plasma model. Nonlinear Physical Systems: Spectral Analysis, Stability and Bifurcations, Nov 2012, Banff, Canada. ⟨hal-01053857⟩
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