Finite Element Analysis of the Magneto-mechanical Coupling Due to Punching Process in Electrical Steel Sheet

N. M'zali, T. Henneron, A. Benabou, F. Martin, A. Belahcen

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Abstract

In this paper, a finite element (FE) modeling of the punching effect on the magnetic properties of electrical steel sheet is carried out. For that, the modified anhysteretic Sablik model is applied together with the plastic strain distribution obtained from a punching process simulation performed using the software ABAQUS. First, a synchronous electrical machine is simulated including the effect of the punching process, it shows the degradation of the magnetic flux density at the lamination edges and an increase of the iron losses. Then, results obtained from the magneto-mechanical simulation are investigated in terms of the method used to implement the plastic strain distribution in the FE computation. Two examples have been investigated: a square steel sheet and a tooth of an electrical machine.

Original languageEnglish
Number of pages4
JournalIEEE Transactions on Magnetics
DOIs
Publication statusE-pub ahead of print - 2021
MoE publication typeA1 Journal article-refereed

Keywords

  • Degradation
  • Finite element method
  • Magneto-mechanical modeling
  • Magnetomechanical effects
  • Plastic strain distribution
  • Plastics
  • Punching
  • Punching effect
  • Saturation magnetization
  • Steel
  • Strain

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