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Validation of the ICRF antenna coupling code RAPLICASOL against TOPICA and experiments

W. Tierens, D. Milanesio, G. Urbanczyk, W. Helou, V. Bobkov, J.-M. Noterdaeme, L. Colas, R. Maggiora, The ASDEX Upgrade Team, The EUROfusion MST1 Team2019年被引用 32Nuclear FusionIF 3出版社

In this paper we validate the finite element code RAPLICASOL, which models radiofrequency wave propagation in edge plasmas near ICRF antennas, against calculations with the TOPICA code. We compare the output of both codes for the ASDEX Upgrade 2-strap antenna, and for a 4-strap WEST-like antenna. Although RAPLICASOL requires considerably fewer computational resources than TOPICA, we find that the predicted quantities of experimental interest (including reflection coefficients, coupling resistances, - and -matrix entries, optimal matching settings, and even radiofrequency electric fields) are in good agreement provided we are careful to use the same geometry in both codes.

日本語訳

本論文では、ICRFアンテナ近傍のエッジプラズマにおける高周波波動伝播をモデル化する有限要素コードRAPLICASOLを、TOPICAコードによる計算と比較して検証する。ASDEX Upgradeの2ストラップアンテナと、WEST型の4ストラップアンテナについて、両コードの出力を比較する。RAPLICASOLはTOPICAよりも計算資源を大幅に必要としないが、両コードで同じ形状を用いるよう注意すれば、実験に関連する予測量(反射係数、結合抵抗、行列要素、最適整合設定、さらには高周波電界に至るまで)は良好に一致することがわかる。

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