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High-Speed Algorithm for Shielding Current Analysis in HTS Film with Cracks
http://hdl.handle.net/10655/00013375
http://hdl.handle.net/10655/000133751c3c9486-8633-4f65-a531-c24d7b53b782
名前 / ファイル | ライセンス | アクション |
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10538_PFR (4.2 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-07-13 | |||||
タイトル | ||||||
タイトル | High-Speed Algorithm for Shielding Current Analysis in HTS Film with Cracks | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | block LU decomposition | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | critical current density | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | high-temperature superconductor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | integrodifferential equation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | surface crack | |||||
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 |
KAMITANI, Atsushi
× KAMITANI, Atsushi× TAKAYAMA, Teruou× SAITOH, Ayumu× NAKAMURA, Hiroaki |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0002-4027-6576 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A fast and stable method is proposed for calculating the time-varying shielding current density in a high-temperature superconducting (HTS) film containing cracks. If an initial-boundary-value problem of the shielding current density is formulated by the T-method, integral forms of Faraday's law on crack surfaces are also imposed as boundary conditions. As a result of the spatial discretization of the initial-boundary-value problem, semi-explicit differential algebraic equations (DAEs) are obtained. Although the DAEs can be solved with standard ordinary-differential-equation (ODE) solvers, much CPU time is required for their numerical solution. In order to shorten the CPU time, the following high-speed algorithm is proposed: the block LU decomposition is incorporated into function evaluations in ODE solvers. A numerical code is developed on the basis of the proposed algorithm and detectability of cracks by the scanning permanent-magnet method is numerically investigated. The results of computations show that, when multiple cracks is contained in an HTS film, resolution of the scanning permanent-magnet method will be degraded remarkably. | |||||
書誌情報 |
Plasma and Fusion Research 巻 10, 号 Special Issue 2, p. 3405023, 発行日 2015-03-19 |
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書誌的事項 | ||||||
the 24th International Toki Conference on Expanding Horizons of Plasma and Fusion Science through Cross-Fertilization | ||||||
出版者 | ||||||
出版者 | The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1880-6821 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12346675 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1585/pfr.10.3405023 | |||||
権利 | ||||||
権利情報 | (c) 2015 The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1585/pfr.10.3405023 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
NAIS | ||||||
10538 |