Neoclassical transport benchmark of global full-f gyrokinetic simulation in stellarator configurations

被引：17
|
作者：
Matsuoka, Seikichi [1 ]
Idomura, Yasuhiro [1 ]
Satake, Shinsuke [2 ,3 ]
机构：
[1] Japan Atom Energy Agcy, 178-4 Wakashiba, Kashiwa, Chiba 2770871, Japan
[2] Natl Inst Fus Sci, 322-6 Oroshi Cho, Toki, Gifu 5095292, Japan
[3] SOKENDAI Grad Univ Adv Studies, 322-6 Oroshi Cho, Toki, Gifu 5095292, Japan
来源：
PHYSICS OF PLASMAS | 2018年 / 25卷 / 02期
关键词：
Magnetohydrodynamics - Plasma devices - Electric fields;
D O I：
10.1063/1.5010071
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：
A global full-f gyrokinetic simulation code, GT5D, is extended to incorporate stellarator equilibria, provided by a widely used three-dimensional equilibrium code, VMEC [S.P. Hirshman and O. Betancourt, J. Comput. Phys. 96, 99 (1991)]. An interface code is newly developed, in which the so-called VMEC coordinates are transformed into the coordinates of GT5D. The following benchmark calculations in a typical LHD equilibrium are carried out for the numerical verification of GT5D in stellarator configurations. First, zonal flow damping tests are performed, and good agreement in the residual levels with an analytical theory is confirmed. Second, the neoclassical transport and the ambipolar radial electric field computed by a global delta f neoclassical transport code, FORTEC-3D [S. Satake et al., Plasma Fusion Res. 3, S1062 (2008)], are successfully reproduced. Published by AIP Publishing.
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页数：10
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