Abstract
A theoretical analysis for the free vibration of magneto-electro-elastic (MEE) laminated plates with generalized membrane-type interfacial imperfections is proposed. The wave motion characteristics, such as the dispersion curves and mode shapes, are investigated. The pseudo-Stroh formalism and the propagator matrix method are employed to derive the analytical solutions for an orthotropic and multilayered MEE plate with imperfect interfaces. The effect of generalized membrane-type interfacial imperfections on the dispersion curve, mode shape, and magnetoelectric coupling factor for piezoelectric BaTiO 3 and piezomagnetic CoFe 2O4 sandwich plates are studied in detail. Numerical calculations show that the membrane-type interfacial imperfection has a significant effect on the dispersion curve, mode shape, and magnetoelectric coupling factor in layered MEE composites. This exact solution provides important insight to assess the wave characteristics of the MEE laminated composites with membrane-type interfacial imperfections.
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