Bending and Wave Propagation Analysis of Magneto-Electro-Elastic Functionally Graded Porous Microbeams

In this paper, a microstructure-dependent magneto-electro-elastic functionally graded porous (MEEFGP) beam model is proposed using variational approach. To account for the microstructure effect, extended modified couple stress theory incorporated in new model. addition, porosity variation of two-phase through thickness direction also considered. The developed verified terms its correctness with FEM Based on equations motion and boundary conditions derived by Hamilton’s principle, static bending wave propagation behaviors are analytically determined. results prove existence effect multi-field coupling effect. There significant differences between classical at microscale. Moreover, has an important influence mechanical properties predicted can provide theoretical basis design microscale acoustic devices micro-electro-mechanical systems.