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Title: A novel formulation with Coulomb gauge for 3-D magnetostatic problems using edge elements
Authors: Zhao, Y
Fu, WN
Keywords: Coulomb gauge
Edge element
Issue Date: 2016
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: IEEE CEFC 2016 - 17th Biennial Conference on Electromagnetic Field Computation, 2016, 7815898 How to cite?
Abstract: The use of Coulomb gauged formulation together with nodal elements, which imposes both tangential and normal continuity, may produce large errors at material interfaces or reentrant corners of problem domains. While traditional Coulomb gauged formulation is not valid for edge elements since the divergence of the edge element basis is zero within each element. In this paper, a novel formulation with Coulomb Gauge for magnetostatic problems using edge element is proposed. For the proposed method, the resultant linear system is symmetric and well-conditioned, which can be solved by direct solvers or iterative solvers efficiently. A numerical example is presented to showcase the accuracy and usefulness of the proposed method for practical engineering computation.
Description: 17th Biennial IEEE Conference on Electromagnetic Field Computation, IEEE CEFC 2016, Miami, US, 13-16 November 2016
ISBN: 9781509010325
DOI: 10.1109/CEFC.2016.7815898
Appears in Collections:Conference Paper

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