Plasma and Fusion Research
Online ISSN : 1880-6821
ISSN-L : 1880-6821
Regular Articles
Development of Linearized Collision Operator for Multiple Ion Species in Gyrokinetic Flux-Tube Simulations
Masanori NUNAMIMotoki NAKATATomo-Hiko WATANABEHideo SUGAMA
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2015 Volume 10 Pages 1403058

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Abstract

Linearized model collision operators for multiple ion species are implemented in a local flux-tube gyrokinetic code. The newly implemented collision operator satisfies the conservation properties of particles, momentum, and energy, as well as the adjointness relations for collisions between different particle species, which are numerically confirmed by the test simulations. The linear zonal flow response with finite collisionality, is also compared between the new collision operator and the simplified model collision operator.

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© 2015 by The Japan Society of Plasma Science and Nuclear Fusion Research
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