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ATEQ: Adaptive toroidal equilibrium code
http://hdl.handle.net/10655/00013358
http://hdl.handle.net/10655/000133586ca90d1b-08ca-4e9f-8aa5-aa09e796883a
名前 / ファイル | ライセンス | アクション |
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13482_Phys.Plasmas (1.3 MB)
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VoR_Phys.Plasmas_29_072503 (2.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-09-14 | |||||
タイトル | ||||||
タイトル | ATEQ: Adaptive toroidal equilibrium code | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
ZHENG, Linjin
× ZHENG, Linjin× KOTSCHENREUTHER, M. T.× WAELBROECK, F. L.× TODO, Yasushi |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0001-5177-4602 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A radially adaptive numerical scheme is developed to solve the Grad–Shafranov equation for axisymmetric magnetohydrodynamic equilibrium. A decomposition with independent solutions is employed in the radial direction, and Fourier decomposition is used in the poloidal direction. The independent solutions are then obtained using an adaptive shooting scheme together with the multi-region matching technique in the radial direction. Accordingly, the adaptive toroidal equilibrium (ATEQ) code is constructed for axisymmetric equilibrium studies. The adaptive numerical scheme in the radial direction improves considerably the accuracy of the equilibrium solution. The decomposition with independent solutions effectively reduces the matrix size in solving the magnetohydrodynamic equilibrium problem. The reduction of the matrix size is about an order of magnitude as compared with the conventional radially grid-based numerical schemes. Also, in this ATEQ numerical scheme, no matter how accuracy in the radial direction is imposed, the size of matrices basically does not change. The small matrix size scheme gives ATEQ more flexibility to address the requirement of the number of Fourier components in the poloidal direction in tough equilibrium problems. These two unique features, the adaptive shooting and small matrix size, make ATEQ useful to improve tokamak equilibrium solutions. | |||||
書誌情報 |
Physics of Plasmas 巻 29, 号 7, p. 072503, 発行日 2022-07-06 |
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出版者 | ||||||
出版者 | American Institute of Physics | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1070664X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10987555 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/5.0091015 | |||||
権利 | ||||||
権利情報 | This article may be downloaded for personal use only. | |||||
権利 | ||||||
権利情報 | Any other use requires prior permission of the author and AIP Publishing. | |||||
権利 | ||||||
権利情報 | This article appeared in Physics of Plasmas 29, 072503 (2022) and may be found at https://doi.org/10.1063/5.0091015 . | |||||
権利 | ||||||
権利情報 | Copyright 2022 Author(s). | |||||
権利 | ||||||
権利情報 | This article is distributed under a Creative Commons Attribution (CC BY) License. | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/5.0091015 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
NAIS | ||||||
13482 |