Love 波在电磁弹性多层结构中的频散特性

Love wave propagation in magneto-electro-elastic multilayered structures

  • 摘要: 在电磁弹性多层结构模型的基础上, 通过本构方程和场方程推导出Love 波在电磁弹性介质中的波动方程。利用传递矩阵方法, 给出了一定边界条件下Love 波在该结构中的频散方程。通过对算例进行分析, 得出了Love 波在电磁弹性多层结构中传播的一些特性。

     

    Abstract: The Love wave behavior in magneto-elect ro-elastic multilayered st ructures was investigated. Firstly , thegeneral mechanical displacement , elect ric potential and magnetic potential were found by solving the coupled magneto-elect ro-elastic field equations. The dispersion equation of the Love wave was then derived by the propagationmat rix method , combined with the continuity condition across the interface of the layers. Numerical result s forsandwich composites made of Ba TiO3 and Co Fe2O4 were presented and discussed , including dispersion curves fordifferent stacking sequences and for different thicknesses of the middle layer.

     

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