Computation of Magnetic Forces Using Degenerated Air-Gap Element

Sabin Sathyan, Anouar Belahcen, Juhani Kataja, François Henrotte, Abdelkader Benabou, Yvonnick Le Menach

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)


This paper presents an efficient method to calculate the magnetic forces on bodies in contact. The forces are computed through the local application of the virtual work principle on degenerated air-gap elements. The results from this method are compared with those from other software and validated with measurements on a permanent magnet setup. Not only is this technique very accurate, but it also reduces the computational burden related to the problematic meshing of thin layers. The implementation of this method in an open source finite element software having facilities for higher order elements and parallel computation unlocks a cost effective and effectual platform for an electromechanical computation of electromechanical devices and magnetic materials.
Original languageEnglish
Article number7828131
Number of pages4
JournalIEEE Transactions on Magnetics
Issue number6
Publication statusPublished - 2017
MoE publication typeA1 Journal article-refereed


  • finite element analaysis
  • force
  • magnetic forces
  • magnetic flux
  • force measurement
  • magnetic cores
  • permanent magnents


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    Belahcen, A. & Sathyan, S.


    Project: Business Finland: Other research funding

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