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Perfectly matched anisotropic layer for the numerical analysis of unbounded eddy-current problems

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3 Author(s)
T. I. Kosmanis ; Dept. of Electr. & Comput. Eng., Thessaloniki Univ., Greece ; T. V. Yioultsis ; T. D. Tsiboukis

An extension of the perfectly matched layer (PML) technique in quasi-static fields is developed. The new low frequency PML is based on a fictitious medium with diagonal tensor anisotropy. On the basis of a theoretical investigation, the material properties of the anisotropic layer are specified, so that it will be reflectionless for an arbitrary eddy-current field that may exist in free space. Furthermore, the PML is designed in such a way that outgoing eddy-current fields are sufficiently absorbed. The effectiveness of the low-frequency PML is validated by the implementation of the finite-element solution of a simple two-dimensional eddy-current problem as well as a more complicated three-dimensional one

Published in:

IEEE Transactions on Magnetics  (Volume:35 ,  Issue: 6 )