What Formulation Should One Choose for Modeling a 3-D HTS Motor Pole With Ferromagnetic Materials? Article Swipe
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Gene
Julien Dular
,
Kévin Berger
,
Christophe Geuzaine
,
Benoît Vanderheyden
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1109/tmag.2022.3167839
· OA: W4223919022
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1109/tmag.2022.3167839
· OA: W4223919022
We discuss the relevance of several finite-element formulations for nonlinear\nsystems containing high-temperature superconductors (HTS) and ferromagnetic\nmaterials (FM), in the context of a 3D motor pole model. The formulations are\nevaluated in terms of their numerical robustness and efficiency. We propose a\ncoupled h-phi-a-formulation as an optimal choice, modeling the problem with an\na-formulation in the FM and an h-phi-formulation in the remaining domains.\nWhile maintaining a low number of degrees of freedom, the h-phi-a-formulation\nguarantees a robust resolution and strongly reduces the number of iterations\nrequired for handling the nonlinearities of HTS and FM compared to standard\nformulations.\n
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