PEEC Modeling of Planar Spiral Resonators

The partial element equivalent circuit (PEEC) method is applied to a frequency-sweep study for investigating the resonant modes of planar spiral resonators. A low-rank approximation algorithm, based on hierarchical matrices, is coupled to the method in order to reduce the computational effort due to...

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Veröffentlicht in:	IEEE transactions on magnetics 2020-01, Vol.56 (1), p.1-4
Hauptverfasser:	Voltolina, Dimitri, Torchio, Riccardo, Bettini, Paolo, Cavazzana, Roberto, Moresco, Maurizio
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Electric potential Equivalent circuits Generators Integral formulations low-rank approximations Magnetism partial element equivalent circuit (PEEC) radio frequency (RF) Resonant frequency Resonators scattering parameters Spirals Structural hierarchy Transmission line matrix methods
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Beschreibung
Zusammenfassung:	The partial element equivalent circuit (PEEC) method is applied to a frequency-sweep study for investigating the resonant modes of planar spiral resonators. A low-rank approximation algorithm, based on hierarchical matrices, is coupled to the method in order to reduce the computational effort due to the use of dense matrices. The partitioning of the matrices is carefully addressed in order to allow an efficient hierarchical off-diagonal low-rank structure of the system matrix.
ISSN:	0018-9464 1941-0069
DOI:	10.1109/TMAG.2019.2949481