Real-time implementation of the high-fidelity NBI code RABBIT into the discharge control system of ASDEX Upgrade

被引:4
|
作者
Weiland, M. [1 ]
Bilato, R. [1 ]
Sieglin, B. [1 ]
Felici, F. [2 ,3 ]
Giannone, L. [1 ]
Kudlacek, O. [1 ]
Rampp, M. [4 ]
Scheffer, M. [2 ]
Treutterer, W. [1 ]
Zehetbauer, T. [1 ]
机构
[1] Max Planck Inst Plasma Phys, Garching, Germany
[2] Tech Univ Eindhoven, Eindhoven, Netherlands
[3] Ecole Polytech Fed Lausanne, Lausanne, Switzerland
[4] Max Planck Comp & Data Facil MPCDF, Garching, Germany
关键词
tokamak; plasma control; Fokker-Planck; numerical noise; non-constant time-steps; fast ions; energetic particles; MAGNETIC EQUILIBRIUM RECONSTRUCTION;
D O I
10.1088/1741-4326/acc31c
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
For the first time, a real-time capable NBI code, which has a comparable fidelity to the much more computationally expensive Monte Carlo codes such as NUBEAM, has been coupled to the discharge control system of a tokamak. This implementation has been done at ASDEX Upgrade and is presented in this paper. Modifications to the numerical scheme of RABBIT for the time-dependent solution of the Fokker-Planck equation have been carried out to make it compatible with the non-equidistant time-steps, as they occur in real-time simulations. We demonstrate that this allows RABBIT to run in real-time both in a steady-state and time-dependent fashion and show and discuss an actual real-time simulation. Its accuracy is identified by comparing to offline RABBIT and TRANSP-NUBEAM runs (where more diagnostics are available for preciser inputs).
引用
收藏
页数:15
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