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The Fluid-Kinetic Particle-in-Cell method for plasma simulations

Abstract : A method that solves concurrently the multi-fluid and Maxwell's equations has been developed for plasma simulations. By calculating the stress tensor in the multi-fluid momentum equation by means of computational particles moving in a self-consistent electromagnetic field, the kinetic effects are retained while solving the multi-fluid equations. The Maxwell's and multi-fluid equations are discretized implicitly in time enabling kinetic simulations over time scales typical of the fluid simulations. The Fluid-Kinetic Particle-in-Cell method has been implemented in a three-dimensional electromagnetic code, and tested against the two-stream instability, the Weibel instability, the ion cyclotron resonance and magnetic reconnection problems. The method is a promising approach for coupling fluid and kinetic methods in a unified framework.
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Contributor : Nathalie ROUCHON Connect in order to contact the contributor
Submitted on : Tuesday, March 1, 2016 - 11:13:15 AM
Last modification on : Friday, August 5, 2022 - 3:02:49 PM

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Stefano Markidis, Pierre Henri, Giovanni Lapenta, Kjell Rönnmark, Maria Hamrin, et al.. The Fluid-Kinetic Particle-in-Cell method for plasma simulations. Journal of Computational Physics, 2014, 271, pp.415-429. ⟨10.1016/⟩. ⟨insu-01280833⟩



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