What Formulation Should One Choose for Modeling a 3D HTS Magnet Motor Pole with a Ferromagnetic Materials? - Groupe de Recherche en Energie Electrique de Nancy Accéder directement au contenu
Article Dans Une Revue IEEE Transactions on Magnetics Année : 2022

What Formulation Should One Choose for Modeling a 3D HTS Magnet Motor Pole with a Ferromagnetic Materials?

Résumé

We discuss the relevance of several finite-element formulations for nonlinear systems containing high-temperature superconductors (HTS) and ferromagnetic materials (FM), in the context of a 3D motor pole model. The formulations are evaluated in terms of their numerical robustness and efficiency. We propose a coupled h-ø-a-formulation as an optimal choice, modeling the problem with an a-formulation in the FM and an h-ø-formulation in the remaining domains. While maintaining a low number of degrees of freedom, the h-ø-a-formulation guarantees a robust resolution and strongly reduces the number of iterations required for handling the nonlinearities of HTS and FM compared to standard formulations.
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hal-03641136 , version 1 (14-04-2022)

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Julien Dular, Kévin Berger, Christophe Geuzaine, Benoit Vanderheyden. What Formulation Should One Choose for Modeling a 3D HTS Magnet Motor Pole with a Ferromagnetic Materials?. IEEE Transactions on Magnetics, 2022, ⟨10.1109/TMAG.2022.3167839⟩. ⟨hal-03641136⟩
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