Gyrokinetic simulations of turbulent transport

X Garbet, Y Idomura, L Villard, TH Watanabe - Nuclear Fusion, 2010 - iopscience.iop.org
This overview is an assessment of the gyrokinetic framework and simulations to compute
turbulent transport in fusion plasmas. It covers an introduction to the gyrokinetic theory, the …

Fundamental statistical descriptions of plasma turbulence in magnetic fields

JA Krommes - Physics Reports, 2002 - Elsevier
A pedagogical review of the historical development and current status (as of early 2000) of
systematic statistical theories of plasma turbulence is undertaken. Emphasis is on …

ORB5: a global electromagnetic gyrokinetic code using the PIC approach in toroidal geometry

E Lanti, N Ohana, N Tronko… - Computer Physics …, 2020 - Elsevier
This paper presents the current state of the global gyrokinetic code Orb 5 as an update of the
previous reference (Jolliet et al., 2007). The Orb 5 code solves the electromagnetic Vlasov …

The isotropic diffusion source approximation for supernova neutrino transport

M Liebendörfer, SC Whitehouse… - The Astrophysical …, 2009 - iopscience.iop.org
Astrophysical observations originate from matter that interacts with radiation or transported
particles. We develop a pragmatic approximation in order to enable multidimensional …

Conservative global gyrokinetic toroidal full-f five-dimensional Vlasov simulation

Y Idomura, M Ida, T Kano, N Aiba, S Tokuda - Computer Physics …, 2008 - Elsevier
A new conservative global gyrokinetic toroidal full-f five-dimensional Vlasov simulation
(GT5D) is developed using a novel non-dissipative conservative finite difference scheme …

Turbulence spreading and transport scaling in global gyrokinetic particle simulations

Z Lin, TS Hahm - Physics of Plasmas, 2004 - pubs.aip.org
An intriguing observation in magnetically confined plasma experiments and in global
gyrokinetic particle simulations of toroidal ion temperature gradient turbulence is that the …

Fokker–Planck–DSMC algorithm for simulations of rarefied gas flows

MH Gorji, P Jenny - Journal of Computational Physics, 2015 - Elsevier
A Fokker–Planck based particle Monte Carlo algorithm was devised recently for simulations
of rarefied gas flows by the authors [1],[2],[3]. The main motivation behind the Fokker–Planck …

Long global gyrokinetic simulations: Source terms and particle noise control

BF McMillan, S Jolliet, TM Tran, L Villard, A Bottino… - Physics of …, 2008 - pubs.aip.org
Long simulations are needed to reach a quasiequilibrium state in global gyrokinetic models
of ion temperature gradient ITG turbulence, even when global profiles of flow and …

An efficient particle Fokker–Planck algorithm for rarefied gas flows

MH Gorji, P Jenny - Journal of Computational Physics, 2014 - Elsevier
This paper is devoted to the algorithmic improvement and careful analysis of the Fokker–
Planck kinetic model derived by Jenny et al.[1] and Gorji et al.[2]. The motivation behind the …

Energy conservation in a nonlinear gyrokinetic particle-in-cell code for ion-temperature-gradient-driven modes in θ-pinch geometry

R Hatzky, TM Tran, A Könies, R Kleiber… - Physics of Plasmas, 2002 - pubs.aip.org
A global nonlinear simulation code for the time evolution of ion-temperature-gradient-driven
modes in θ-pinch geometry as a first approximation to the stellarator Wendelstein 7-X (W7 …