Parallel Performance of Multi-Slice Finite-Element Modeling of Skewed Electrical Machines

Janne Keränen, Pavel Ponomarev, Jenni Pippuri, Peter Raback, Mikko Lyly, Jan Westerlund

Research output: Contribution to journalArticleScientificpeer-review

19 Citations (Scopus)


The multi-slice method allows approximation of the 3-D phenomena without carrying out a full 3-D analysis, e.g., in skewed radial flux electrical machines. The idea is to divide a 3-D machine into several 2-D finite-element models along the axis, connected by electrical circuits. Here we show how the multi-slice method is perfect for parallel computation; the computation efficiency is close to that of 2-D models in modern parallel hardware. The results are shown to agree with 3-D computation and experimental results.
Original languageEnglish
Article number7817828
JournalIEEE Transactions on Magnetics
Issue number6
Publication statusPublished - 1 Jun 2017
MoE publication typeA1 Journal article-refereed


  • electrical machines
  • multi-slice method
  • parallel computing
  • skewed slots


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