Finite element analysis; high-temperature superconductors; homogenization techniques; magnetic shielding; Axial field; Finite element analyse; Finite element modelling (FEM); High-temperature superconducting tapes; High-temperature superconductor; Homogenization techniques; Layered geometry; Magnetic noise; Transverse field; Electronic, Optical and Magnetic Materials; Condensed Matter Physics; Electrical and Electronic Engineering; Physics - Accelerator Physics
Abstract :
[en] Stacks of high-temperature superconducting tape annuli can be used as magnetic shields operating efficiently for both axial and transverse fields. However, due to their layered geometry and hybrid electrical and magnetic properties, implementing models of such structures is not straightforward. In this work, we propose two different modelling approaches with the finite element method: layered and homogenized. We compare their accuracy and numerical efficiency for three different formulations (h-φ, h-φ-b, and a-j), in both axial (2D-axisymmetric) and transverse (3D) configurations. We show that both approaches lead to comparable performance in the axial case, but that the homogenized model is considerably harder to use in the transverse case.
Disciplines :
Electrical & electronics engineering Energy Materials science & engineering
Author, co-author :
Dular, Julien ; Université de Liège - ULiège > Montefiore Institute of Electrical Engineering and Computer Science ; TE-MPE-PE, CERN, Geneva, Switzerland
Brialmont, Sébastien ; Université de Liège - ULiège > Montefiore Institute of Electrical Engineering and Computer Science
Vanderbemden, Philippe ; Université de Liège - ULiège > Département d'électricité, électronique et informatique (Institut Montefiore) > Capteurs et systèmes de mesures électriques
Geuzaine, Christophe ; Université de Liège - ULiège > Département d'électricité, électronique et informatique (Institut Montefiore) > Applied and Computational Electromagnetics (ACE)
Vanderheyden, Benoît ; Université de Liège - ULiège > Département d'électricité, électronique et informatique (Institut Montefiore) > Electronique et microsystèmes
Language :
English
Title :
Finite Element Models for Magnetic Shields Made of Stacked Superconducting Tape Annuli
Publication date :
May 2024
Journal title :
IEEE Transactions on Applied Superconductivity
ISSN :
1051-8223
Publisher :
Institute of Electrical and Electronics Engineers Inc.
Volume :
34
Issue :
3
Pages :
1 - 7
Peer reviewed :
Peer Reviewed verified by ORBi
Tags :
CÉCI : Consortium des Équipements de Calcul Intensif
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