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A semi-Lagrangian code for nonlinear global simulations of electrostatic drift-kinetic ITG modes by M. Brunetti; V. Grandgirard; O. Sauter; J. Vaclavik; L. Villard is a scholarly article available to read on EtoBox.

What is A semi-Lagrangian code for nonlinear global simulations of electrostatic drift-kinetic ITG modes about?

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.

Author

M. Brunetti; V. Grandgirard; O. Sauter; J. Vaclavik; L. Villard

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0010-4655)

Published

2004

Language

EN