Convergence-property improvement of GMRES in shielding current analysis of cracked high-temperature superconducting film
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- Kamitani Atsushi
- Graduate School of Science and Engineering, Yamagata University
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- Takayama Teruou
- Graduate School of Science and Engineering, Yamagata University
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- Saitoh Ayumu
- Graduate School of Science and Engineering, Yamagata University
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- Ikuno Soichiro
- School of Computer Science, Tokyo University of Technology
説明
<p>A high-performance method is proposed for solving a linear system in the shielding current analysis of a cracked high-temperature superconducting film. After discretized with respect to time and space, the initial-boundary-value problem of the shielding current density reduces to a linear system at each iteration cycle of the Newton method. Although the linear system can be easily solved with GMRES, both crack length and the number of cracks affect convergence property significantly. In order to improve convergence property of GMRES, other variables than corrections of the current vector potential are all eliminated from the linear system. As a result, convergence property of GMRES is hardly influenced by either crack length or the number of cracks.</p>
収録刊行物
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- 日本シミュレーション学会英文誌
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日本シミュレーション学会英文誌 4 (1), 117-131, 2018
一般社団法人 日本シミュレーション学会
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詳細情報 詳細情報について
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- CRID
- 1390282680733958272
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- NII論文ID
- 130006594864
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- ISSN
- 21885303
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可
