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Article Dans Une Revue International Journal of Mechanical Sciences Année : 2014

Theoretical study of SH-wave propagation in periodically-layered piezomagnetic structure

Lei Liu
Jinfeng Zhao
Yongdong Pan
  • Fonction : Auteur
Bernard Bonello
  • Fonction : Auteur
  • PersonId : 885480
  • IdRef : 164197982
Zheng Zhong
  • Fonction : Auteur

Résumé

In this paper, the propagation of SH (shear horizontal) wave in the periodically-layered piezomagnetic structure is studied theoretically. Both the dispersion equation and transmission coefficients are derived to reveal the wave behavior when the piezomagnetism is ignored or the magnetic circuit is closed and open. The zero-order mode of the piezomagnetism-ignored single layer is not dispersive and every higher order mode is dispersive with a cut-off frequency. Same features are found for the closed and open cases, except that the zero-order mode of the latter case is dispersive. The pass bands of the piezomagnetism-ignored periodically-layered structure appear when the normalized frequency is an even integer under the normal incidence, and new stop bands will appear from the pass bands when the incident angle increases. Same features are observed for the band gaps of the magnetically closed and open cases, except that the zero-order mode of the latter case is dispersive.
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hal-01233803 , version 1 (30-04-2020)

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Lei Liu, Jinfeng Zhao, Yongdong Pan, Bernard Bonello, Zheng Zhong. Theoretical study of SH-wave propagation in periodically-layered piezomagnetic structure. International Journal of Mechanical Sciences, 2014, 85, pp.45-54. ⟨10.1016/j.ijmecsci.2014.04.028⟩. ⟨hal-01233803⟩
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