A 5D gyrokinetic full-f global semi-lagrangian code for flux-driven ion turbulence simulations

Abstract : This paper addresses non-linear gyrokinetic simulations of ion temperature gradient (ITG) turbulence in tokamak plasmas. The electrostatic Gysela code is one of the few international 5D gyrokinetic codes able to perform global, full-f and flux-driven simulations. Its has also the numerical originality of being based on a semi-Lagrangian (SL) method. This reference paper for the Gysela code presents a complete description of its multi-ion species version including: (i) numerical scheme, (ii) high level of parallelism up to 500k cores and (iii) conservation law properties.
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Virginie Grandgirard, Jérémie Abiteboul, Julien Bigot, Thomas Cartier-Michaud, Nicolas Crouseilles, et al.. A 5D gyrokinetic full-f global semi-lagrangian code for flux-driven ion turbulence simulations. Computer Physics Communications, Elsevier, 2016, 207, pp.35-68. ⟨10.1016/j.cpc.2016.05.007⟩. ⟨cea-01153011v3⟩

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