Global simulations of tokamak microturbulence: finite-β effects and collisions

被引：50

作者：

Bottino, A. ^{[1
]}

Vernay, T. ^{[2
]}

Scott, B. ^{[1
]}

Brunner, S. ^{[2
]}

Hatzky, R. ^{[1
]}

Jolliet, S. ^{[2
]}

McMillan, B. F. ^{[3
]}

Tran, T. M. ^{[2
]}

Villard, L. ^{[2
]}

机构：

[1] EURATOM, Max Planck Inst Plasmaphys, D-85748 Garching, Germany

[2] Ecole Polytech Fed Lausanne, Ctr Rech Phys Plasmas, Assoc Euratom Conf Suisse, CH-1015 Lausanne, Switzerland

[3] Univ Warwick, Ctr Fus Space & Astrophys, Dept Phys, Coventry CV4 7AL, W Midlands, England

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 2011年 / 53卷 / 12期

关键词：

GYROKINETIC PARTICLE SIMULATION; ELECTROMAGNETIC PERTURBATIONS; TRANSPORT; MICROINSTABILITIES; DISCHARGES; EQUATIONS; ELECTRONS; PLASMAS;

D O I：

10.1088/0741-3335/53/12/124027

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

In this paper, we present global nonlinear gyrokinetic simulations including finite beta(e) effects and collisions in tokamak geometry. Global electromagnetic simulations using conventional delta f particle in cell methods are very demanding, with respect to numerical resources, in order to correctly describe the evolution of the non-adiabatic part of the electron distribution function. This difficulty has been overcome using an appropriate adjustable control variate method in the conventional delta f scheme. Linearized inter-species and like-species collision operators have also been introduced in the model. The inclusion of the collisional dynamics makes it possible to carry out simulations of microturbulence starting from a global neoclassical equilibrium and to study the effect of collisions on the transport induced by electrostatic microinstabilities.

引用

页数：11

共 27 条

[1] A UNIFIED MONTE-CARLO INTERPRETATION OF PARTICLE SIMULATIONS AND APPLICATIONS TO NONNEUTRAL PLASMAS
AYDEMIR, AY
[J]. PHYSICS OF PLASMAS, 1994, 1 (04) : 822 - 831
[2] Nonlinear low noise particle-in-cell simulations of electron temperature gradient driven turbulence
Bottino, A.
Peeters, A. G.
Hatzky, R.
Jolliet, S.
McMillan, B. F.
Tran, T. M.
Villard, L.
[J]. PHYSICS OF PLASMAS, 2007, 14 (01)
[3] Linear stability analysis of microinstabilities in electron internal transport barrier non-inductive discharges
Bottino, A
Sauter, O
Camenen, Y
Fable, E
[J]. PLASMA PHYSICS AND CONTROLLED FUSION, 2006, 48 (02) : 215 - 233
[4] Simulations of global electrostatic microinstabilities in ASDEX Upgrade discharges
Bottino, A
Peeters, AG
Sauter, O
Vaclavik, J
Villard, L
[J]. PHYSICS OF PLASMAS, 2004, 11 (01) : 198 - 206
[5] Bottino A, 2005, THESIS ECOLE POLYTEC
[6] Global Nonlinear Electromagnetic Simulations of Tokamak Turbulence
Bottino, Alberto
Scott, Bruce
Brunner, Stephan
McMillan, Ben F.
Trach Minh Tran
Vernay, Thibaut
Villard, Laurent
Jolliet, Sebastien
Hatzky, Roman
Peeters, Arthur G.
[J]. IEEE TRANSACTIONS ON PLASMA SCIENCE, 2010, 38 (09) : 2129 - 2135
[7] NONLINEAR GYROKINETIC MAXWELL-VLASOV EQUATIONS USING MAGNETIC COORDINATES
BRIZARD, A
[J]. JOURNAL OF PLASMA PHYSICS, 1989, 41 : 541 - 559
[8] Collisional delta-f scheme with evolving background for transport time scale simulations
Brunner, S
Valeo, E
Krommes, JA
[J]. PHYSICS OF PLASMAS, 1999, 6 (12) : 4504 - 4521
[9] A δf particle method for gyrokinetic simulations with kinetic electrons and electromagnetic perturbations
Chen, Y
Parker, SE
[J]. JOURNAL OF COMPUTATIONAL PHYSICS, 2003, 189 (02) : 463 - 475
[10] Coarse-graining phase space in δf particle-in-cell simulations
Chen, Yang
Parker, Scott E.
[J]. PHYSICS OF PLASMAS, 2007, 14 (08)

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