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Local magnetostriction forces for finite element analysis

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4 Author(s)
Delaere, K. ; ESAT, Katholieke Univ., Leuven, Heverlee, Belgium ; Heylen, W. ; Hameyer, K. ; Belmans, R.

The magnetic material's deformation caused by magnetostriction is represented by an equivalent set of mechanical forces, giving the same deformation to the material as magnetostriction does. This is done in a way similar to how thermal stresses are usually incorporated. The resulting magnetostriction force distribution is summed to other force distributions (external mechanical forces, magnetic forces) before starting the mechanical deformation or vibration analysis. This procedure is incorporated into a weakly coupled cascade solving of the magnetomechanical problem

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Magnetics, IEEE Transactions on  (Volume:36 ,  Issue: 5 )