A NUMERICAL STUDY OF THE ALFVEN CONTINUUM DAMPING OF TOROIDAL AFVEN EIGENMODES

被引:14
作者
CHU, MS
GREENE, JM
LING, W
TURNBULL, AD
BERK, HL
ROSENBLUTH, MN
机构
[1] General Atomics, San Diego
[2] University of Chicago, Chicago
[3] IFS, University of Texas at Austin, Austin
[4] University of California at San Diego, San Diego
关键词
D O I
10.1063/1.870718
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
The Alfven continuum damping of the toroidal Alfven eigenmodes is explicitly formulated for a large aspect ratio force-free tokamak using analytic continuation. A set of jump conditions across the Alfven singularities are derived which have to be satisfied by the mode amplitudes. The method is then applied to a simple model equilibrium. The characteristics of the modes and their damping are investigated. The method is expected to be generalizable to models with more complete plasma dynamics.
引用
收藏
页码:1214 / 1225
页数:12
相关论文
共 24 条
[21]   GLOBAL ALFVEN MODES - THEORY AND EXPERIMENT [J].
TURNBULL, AD ;
STRAIT, EJ ;
HEIDBRINK, WW ;
CHU, MS ;
DUONG, HH ;
GREENE, JM ;
LAO, LL ;
TAYLOR, TS ;
THOMPSON, SJ .
PHYSICS OF FLUIDS B-PLASMA PHYSICS, 1993, 5 (07) :2546-2553
[22]   GLOBAL WAVES IN COLD-PLASMAS [J].
VILLARD, L ;
APPERT, K ;
GRUBER, R ;
VACLAVIK, J .
COMPUTER PHYSICS REPORTS, 1986, 4 (3-4) :95-135
[23]   EXCITATION OF TOROIDAL ALFVEN EIGENMODES IN TFTR [J].
WONG, KL ;
FONCK, RJ ;
PAUL, SF ;
ROBERTS, DR ;
FREDRICKSON, ED ;
NAZIKIAN, R ;
PARK, HK ;
BELL, M ;
BRETZ, NL ;
BUDNY, R ;
COHEN, S ;
HAMMETT, GW ;
JOBES, FC ;
MEADE, DM ;
MEDLEY, SS ;
MUELLER, D ;
NAGAYAMA, Y ;
OWENS, DK ;
SYNAKOWSKI, EJ .
PHYSICAL REVIEW LETTERS, 1991, 66 (14) :1874-1877
[24]   RESONANT DAMPING OF TOROIDICITY-INDUCED SHEAR-ALFVEN EIGENMODES IN TOKAMAKS [J].
ZONCA, F ;
CHEN, L .
PHYSICAL REVIEW LETTERS, 1992, 68 (05) :592-595