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Title

A semi-Lagrangian code for nonlinear global simulations of electrostatic drift-kinetic ITG modes

Authors
Grandgirard, V.
Sauter, O.
Vaclavik, J.
Villard, L.
Published in Computer Physics Communications. 2004, vol. 163, no. 1, p. 1-21
Abstract A semi-Lagrangian code for the solution of the electrostatic drift-kinetic equations in straight cylinder configuration is presented. The code, CYGNE, is part of a project with the long term aim of studying microturbulence in fusion devices. The code has been constructed in such a way as to preserve a good control of the constants of motion, possessed by the drift-kinetic equations, until the nonlinear saturation of the ion-temperature-gradient modes occurs. Studies of convergence with phase space resolution and time-step are presented and discussed. The code is benchmarked against electrostatic Particle-in-Cell codes.
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BRUNETTI, Maura et al. A semi-Lagrangian code for nonlinear global simulations of electrostatic drift-kinetic ITG modes. In: Computer Physics Communications, 2004, vol. 163, n° 1, p. 1-21. https://archive-ouverte.unige.ch/unige:86583

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Deposited on : 2016-09-05

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