An Improved XFEM With Multiple High-Order Enrichment Functions and Low-Order Meshing Elements for Field Analysis of Electromagnetic Devices With Multiple Nearby Geometrical Interfaces

Duan, N; Xu, W; Wang, S; Zhu, J; Guo, Y

An Improved XFEM With Multiple High-Order Enrichment Functions and Low-Order Meshing Elements for Field Analysis of Electromagnetic Devices With Multiple Nearby Geometrical Interfaces

Duan, N Xu, W Wang, S Zhu, J Guo, Y

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Publisher:: IEEE
Publication Type:: Journal Article
Citation:: IEEE Transactions on Magnetics, 2015, 51 (3), pp. 1 - 4
Issue Date:: 2015-01

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Field	Value	Language
dc.contributor.author	Duan, N	en_US
dc.contributor.author	Xu, W	en_US
dc.contributor.author	Wang, S	en_US
dc.contributor.author	Zhu, J	en_US
dc.contributor.author	Guo, Y	en_US
dc.contributor.editor	Marechal, Y	en_US
dc.date.issued	2015-01	en_US
dc.identifier.citation	IEEE Transactions on Magnetics, 2015, 51 (3), pp. 1 - 4	en_US
dc.identifier.issn	1941-0069	en_US
dc.identifier.uri	http://hdl.handle.net/10453/33257
dc.description.abstract	This paper proposes an improved extended finite element method for modeling electromagnetic devices with multiple nearby geometrical interfaces. In regions near these interfaces, the magnetic vector potential approximation is enriched by incorporating multiple derivative discontinuous fields based on the partition of unity method such that the interfaces can be represented independent of the mesh. The support of a node or an element can be cut by several interfaces. This method results in the high accuracy in the approximation field and derivative field. Numerical examples applied to the iron core in 1-D eddy current field involving level set-based parts, error analysis, and electromagnetic field computations are provided to demonstrate the utility of the proposed approach.	en_US
dc.publisher	IEEE	en_US
dc.relation.ispartof	IEEE Transactions on Magnetics	en_US
dc.relation.isbasedon	10.1109/TMAG.2014.2358792	en_US
dc.rights	© 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.	en_US
dc.subject.classification	Applied Physics	en_US
dc.title	An Improved XFEM With Multiple High-Order Enrichment Functions and Low-Order Meshing Elements for Field Analysis of Electromagnetic Devices With Multiple Nearby Geometrical Interfaces	en_US
dc.type	Journal Article
utslib.citation.volume	3	en_US
utslib.citation.volume	51	en_US
dc.location.activity	Annecy, France
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Elec, Mech and Mechatronic Systems
utslib.copyright.status	open_access
pubs.consider-herdc	true	en_US
pubs.issue	3	en_US
pubs.publication-status	Published	en_US
pubs.volume	51	en_US

Abstract:

This paper proposes an improved extended finite element method for modeling electromagnetic devices with multiple nearby geometrical interfaces. In regions near these interfaces, the magnetic vector potential approximation is enriched by incorporating multiple derivative discontinuous fields based on the partition of unity method such that the interfaces can be represented independent of the mesh. The support of a node or an element can be cut by several interfaces. This method results in the high accuracy in the approximation field and derivative field. Numerical examples applied to the iron core in 1-D eddy current field involving level set-based parts, error analysis, and electromagnetic field computations are provided to demonstrate the utility of the proposed approach.

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http://hdl.handle.net/10453/33257