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

来源：

NUCLEAR FUSION | 2023年 / 63卷 / 06期

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

页数：15

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