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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Modelling Propagating Bloch Waves in Magnetoelectroelastic Phononic Structures with Kagome Lattice Using the Improved Plane Wave Expansion

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Author(s):
Pedrosa de Miranda, Jr., Edson Jansen [1, 2] ; Rodrigues, Samuel Filgueiras [1] ; Aranas, Jr., Clodualdo [3] ; Cantanhede da Silva, Helio Vitor [4] ; Silva, Eden Santos [1] ; Reis, Gedeon Silva [1] ; Macedo Paiva, Antonio Ernandes [1] ; Campos Dos Santos, Jose Maria [4]
Total Authors: 8
Affiliation:
[1] IFMA PPGEM, Fed Inst Maranhao, Ave Getulio Vargas 4, BR-65030005 Sao Luis, Maranhao - Brazil
[2] IFMA EIB DE, Fed Inst Maranhao, Rua Afonso Pena 174, BR-65010030 Sao Luis, Maranhao - Brazil
[3] Univ New Brunswick, Dept Mech Engn, Fredericton, NB E3B 5A3 - Canada
[4] Univ Estadual Campinas, Fac Mech Engn, UNICAMP FEM DMC, Rua Mendeleyev 200, BR-13083860 Campinas - Brazil
Total Affiliations: 4
Document type: Journal article
Source: CRYSTALS; v. 10, n. 7 JUL 2020.
Web of Science Citations: 0
Abstract

We studied the dispersion diagram of a 2D magnetoelectroelastic phononic crystal (MPnC) with Kagome lattice. The MPnC is composed of BaTiO3-CoFe2O4 circular scatterers embedded in a polymeric matrix. The improved plane wave expansion (IPWE) approach was used to calculate the dispersion diagram (only propagating modes) of the MPnC considering the classical elasticity theory, solid with transverse isotropy and wave propagation in the xy plane. Complete Bragg-type forbidden bands were observed for XY and Z modes. The piezoelectric and the piezomagnetic effects significantly influenced the forbidden band widths and localizations. This investigation can be valuable for elastic wave manipulation using smart phononic crystals with piezoelectric and piezomagnetic effects. (AU)

FAPESP's process: 18/15894-0 - Periodic structure design and optimization for enhanced vibroacoustic performance: ENVIBRO
Grantee:Carlos de Marqui Junior
Support Opportunities: Research Projects - Thematic Grants