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Full-discharge simulations of the TCV tokamak using the Fenix flight simulator

R Coosemans, E Fable, O Sauter, P David, F Felici, C Galperti, C Heiß, A Mele, A Merle, A Tenaglia2026年6月Plasma Physics and Controlled FusionIF 2.2出版社

The goal of this work is to develop a simulator for the TCV tokamak that self-consistently includes transport and equilibrium while taking the plant control systems into account. To achieve this, we adapted the Fenix flight simulator that was originally developed for ASDEX Upgrade for use on TCV. The MEQ-FGE free boundary equilibrium code that is widely used for TCV analysis as well as the TCV magnetic controller were coupled to this framework. In addition, a reduced transport model drawing inspiration from earlier RAPTOR modelling for TCV was implemented. Applying this simulator to discharges in the TCV database shows a good agreement of both kinetic and magnetic results with experimental measurements. In particular, it is illustrated how the shape controller is expected to stabilise discharges and it is found that details of the kinetic profiles can be important for the shape and the stability of the equilibrium. This work paves the way to using Fenix for discharge preparation and validation as well as controller development and validation for TCV.

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asdex-upgrade中精度(概要文一致)

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TCV

AIによる論文要約

Fenixフライトシミュレータを用いたTCVトカマク全放電シミュレーション
JA核融合プラズマの制御に興味がある研究者や大学院生。特にトカマクのシミュレーション手法や制御系設計に関心がある人に役立つ。#TCV #Fenix #tokamak #fusion #plasmacontrol
LLM向け: {"Title": "Full-discharge simulations of the TCV tokamak using the Fenix flight …

この研究の目的は、TCVトカマクのシミュレータを開発することです。このシミュレータは、プラズマの輸送と平衡を自己無撞着に計算し、プラズマ制御システムも考慮します。元々ASDEX Upgrade用に開発されたFenixフライトシミュレータをTCVに適応させ、平衡コードや磁気制御器と結合しました。さらに、簡略化された輸送モデルを実装しました。実際の放電データと比較したところ、運動学的および磁気的な結果が実験とよく一致しました。特に、形状制御器が放電を安定化する様子や、運動学的プロファイルが平衡形状や安定性に影響することが示されました。この研究により、FenixをTCVの放電準備や検証、制御器開発に活用できる道が開かれました。

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