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A global plasma turbulence simulation code, ORB5, is presented. It solves the gyrokinetic electrostatic equations including zonal flows in axisymmetric magnetic geometry. The present version of the code assumes a Boltzmann electron response on magnetic surfaces. It uses a Particle-In-Cell (PIC), δf scheme, 3D cubic B-splines finite elements for the field… (More)

- S. Jolliet, B. F. McMillan, Laurent Villard, T. Vernay, P. Angelino, Trach-Minh Tran +3 others
- J. Comput. Physics
- 2012

In this work, a Fourier solver [McMillan et. in order to reduce the memory of the matrix associated with the field equation. This scheme is verified with linear and nonlinear simulations of turbulence. It is demonstrated that the straight-field-line angle is the coordinate that optimizes the Fourier solver, that both linear and nonlinear turbulent states… (More)

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