Solution of 3D magnetization problems for superconducting film stacks

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Abstract

A stack of coated conductors is a perspective configuration for various applications of high temperature superconductors. We present an efficient fast Fourier transform-based numerical method for magnetization problems for a stack of flat films of the same (arbitrary) shape and compare it with the recently proposed finite element methods. For stacks containing a large number of densely packed films an accurate solution can be obtained as a properly rescaled solution for a stack of only several films. For an infinite stack the problem simplifies and becomes similar to that for a single film.

Original languageEnglish
Article number125001
JournalSuperconductor Science and Technology
Volume31
Issue number12
DOIs
StatePublished - 18 Oct 2018

Keywords

  • fast Fourier transform
  • magnetization
  • numerical modeling
  • superconducting film stacks

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