Non-linear analysis of electrostrictive materials by the finite element method

Auteurs-es

  • Jean Claude Debus Inst. Sup. d'Electronique du Nord, Dept. Acoustique, 41 Bvd Vauban, 59046 Lille Cedex, France
  • Jocelyne Coutte Inst. Sup. d'Electronique du Nord, Dept. Acoustique, 41 Bvd Vauban, 59046 Lille Cedex, France
  • Bertrand Dubus Inst. Sup. d'Electronique du Nord, Dept. Acoustique, 41 Bvd Vauban, 59046 Lille Cedex, France

Mots-clés :

Actuators, Ceramic materials, Electrostriction, Finite element method, Lead compounds, Mathematical models, Transducers, Electrostrictive ceramics, Lead magnesium niobate

Résumé

Electromagnetic lead magnesium niobate ceramics (PMN) are promising materials for realizing actuators or high power transducers for macrosonics or underwater acoustics. The use of PMN as active material in actuators and transducers presents some difficulties which include: highly nonlinear properties; temperature and frequency dependence of dielectric permittivity; and the need for direct current bias field. To help in the design of PMN-based transducers, a numerical modeling capability and a FEM are needed.

Fichiers supplémentaires

Publié-e

2000-09-01

Comment citer

1.
Debus JC, Coutte J, Dubus B. Non-linear analysis of electrostrictive materials by the finite element method. Canadian Acoustics [Internet]. 1 sept. 2000 [cité 5 mai 2026];28(3):34-6. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1278

Numéro

Vol. 28 No. 3 (2000)

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

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