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Article
Publication date: 1 December 1998

Antonio Massarini and Ugo Reggiani

A sufficient condition for the existence of a node (i.e. an X‐point) in lines of a quasi‐static magnetic induction field is proved. The theoretical approach is developed for…

150

Abstract

A sufficient condition for the existence of a node (i.e. an X‐point) in lines of a quasi‐static magnetic induction field is proved. The theoretical approach is developed for two‐dimensional fields. The problem of obtaining an X‐point in a magnetic induction field is encountered in toroidal devices (tokamaks) for controlled thermonuclear fusion experiments. The proposed method is capable of identifying possible X‐point locations through the knowledge of field variables which are easy to calculate and/or measure.

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COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, vol. 17 no. 6
Type: Research Article
ISSN: 0332-1649

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Article
Publication date: 1 June 2000

A. Savini

Gives introductory remarks about chapter 1 of this group of 31 papers, from ISEF 1999 Proceedings, in the methodologies for field analysis, in the electromagnetic community…

1158

Abstract

Gives introductory remarks about chapter 1 of this group of 31 papers, from ISEF 1999 Proceedings, in the methodologies for field analysis, in the electromagnetic community. Observes that computer package implementation theory contributes to clarification. Discusses the areas covered by some of the papers ‐ such as artificial intelligence using fuzzy logic. Includes applications such as permanent magnets and looks at eddy current problems. States the finite element method is currently the most popular method used for field computation. Closes by pointing out the amalgam of topics.

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COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, vol. 19 no. 2
Type: Research Article
ISSN: 0332-1649

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