(Color online) An example of a nonuniform grid on a poloidal plane showing grid size in correlation with local ion gyro-radius.
(Color online) Ion gyro-orbit.
(Color online) Schematic diagram of double average process for calculating at the center position.
(Color online) Real frequency and growth rate of ITG instability versus poloidal wave number , compared with the original GTC calculation and FULL code.
(Color online) Steady-state heat flux profile and zonal flow profile of nonlinear ITG simulation with simple magnetic geometry, compared with the original GTC result.
(Color online) Temporal history of ion heat and energy flux of ITG turbulence with adiabatic electrons (from the simulation of the general geometry model).
(Color online) Simulation results of a nonlocal ITG instability using radially varying temperature and density, compared with the simulation neglecting the effects of radial shear of temperature and density: real frequency (upper-left) and growth rate (upper-right) vs ; contour plot of electric potential from simulation with nonuniform and (middle-left) and simulation without the effects of and shear (middle-right); ion temperature profile (lower-left), and corresponding gradient profile (lower-right) used in the simulations.
(Color online) Spatio-temporal evolution of flux surface averaged turbulence intensity (upper left), and three snapshots of contour plot of electric potential on a poloidal plane from a simulation of a shaped plasma with typical DIII-D parameters.
(Color online) Temporal evolution of turbulence intensity and zonal flow energy at (from the same simulation as Fig. 8).
(Color online) (a) Spatio-temporal evolution of turbulence intensity from a simulation with artificial zonal flows introduced in the ITG-stable regions and ; (b) temporal evolution of zonal flow energy and turbulence intensity at an ITG stable location ; temporal evolution of zonal flow energy and turbulence intensity at (c) (linearly unstable region); and (d) (linearly stable region) from the self-consistent simulation of Fig. 8.
(Color online) Temporal evolution of energy contained in artificial zonal flows and in driven turbulence at an ITG-stable location .
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