论文信息 - Gyrokinetic turbulence simulations with kinetic electrons

Gyrokinetic turbulence simulations with kinetic electrons

Gyrokinetic turbulence simulations are presented with full drift-kinetic electron dynamics including both trapped and passing particle effects. This is made possible by using a generalization of the split-weight scheme [I. Manuilskiy and W. W. Lee, Phys. Plasmas 7, 1381 (2000)] that allows for a variable adiabatic part, as well as use of the parallel canonical momentum formulation. Linear simulations in shearless slab geometry and nonlinear simulations using representative tokamak parameters demonstrate the applicability of this generalized split-weight scheme to the turbulence transport problem in the low β regime [β(mi/me)⩽1]. The issues relating to difficulties at higher β, and initial three-dimensional toroidal simulations results will be discussed.

Scott E. Parker | Yang Chen | S. Parker | Yang Chen

[1] W. W. Lee,et al. The split-weight particle simulation scheme for plasmas , 1999 .

[2] C. Birdsall,et al. Plasma Physics via Computer Simulation , 2018 .

[3] W. W. Lee,et al. Gyrokinetic approach in particle simulation , 1981 .

[4] W. Lee,et al. Gyrokinetic Particle Simulation Model , 1987 .

[5] Gregory W. Hammett,et al. Field‐aligned coordinates for nonlinear simulations of tokamak turbulence , 1995 .

[6] Lao,et al. Enhanced confinement and stability in DIII-D discharges with reversed magnetic shear. , 1995, Physical review letters.

[7] Bruce I. Cohen,et al. Implicit, partially linearized, electromagnetic particle simulation of plasma drift-wave turbulence , 1997 .

[8] C. Nielson,et al. Particle-code models in the nonradiative limit , 1976 .

[9] K. Tsuda,et al. Gyrokinetic simulation of internal kink modes , 1995 .

[10] Alain J. Brizard,et al. Nonlinear gyrokinetic theory for finite‐beta plasmas , 1988 .

[11] Frank Jenko,et al. Massively parallel Vlasov simulation of electromagnetic drift-wave turbulence , 2000 .