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Strong coupling magneto mechanical methods applied to model heavy magnetostrictive actuators

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4 Author(s)
L. Gros ; Lab. d'Electrotech. de Grenoble, CNRS, St. Martin d'Heres, France ; G. Reyne ; C. Body ; G. Meunier

Finite element methods are used to model the magneto-mechanical characteristics of a magnetostrictive rod. Optimisation of the shapes and dimensions of the heavy magnetostrictive actuator is carried out. As magnetostrictive material characteristics are nonlinear, the modelling methods use an iterative process. A new modelling method has been developed so as to use the available experimental characteristic of a magnetostrictive rod:λ(H)

Published in:

IEEE Transactions on Magnetics  (Volume:34 ,  Issue: 5 )