Reflection and transmission of plane wave in multilayered nonlocal magneto-electro-elastic plates immersed in liquid

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• 作者：Jiangyi Chen^a ; Junhong Guo^b ; Ernian Pan^c ; ^{pan2@uakron.edu}
• 关键词：Nonlocal effect ; Reflection and transmission ; Wave propagation ; Multilayers ; Magneto-electro-elastic plate ; Stiffness matrix method
• 刊名：Composite Structures
• 出版年：2017
• 出版时间：15 February 2017
• 年：2017
• 卷：162
• 期：Complete
• 页码：401-410
• 全文大小：2687 K
• 卷排序：162

文摘

Taking the nonlocal effect into account, we investigate the reflection and transmission of the plane wave propagating in three-dimensional multilayered magneto-electro-elastic (MEE) plates which are immersed in liquid. Based on the basic equations with nonlocal effect, the first-order state-space system is established to describe the relations of magnitudes of the extended stress and displacement. The general solutions of the extended stress and displacement are expressed in terms of the eigenvalues and eigenvectors which are derived from the first-order state-space system. Then the stiffness matrix method is employed to find the relation between the displacement and traction on the upper and lower interfaces of the layer. After defining the mechanical, electric and magnetic boundary conditions, we derive the reflection and transmission coefficients of the plane wave propagating in the MEE plates by deriving the global stiffness matrix. Finally, numerical examples are provided to show the effect of the nonlocal parameter, stacking sequences, frequency and incident angle on the reflection and transmission coefficients.