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Finite element modeling of mechanical behaviors of piezoelectric nanoplates with flexoelectric effects

Thai, L.M. and Luat, D.T. and Phung, V.B. and Minh, P.V. and Thom, D.V. (2021) Finite element modeling of mechanical behaviors of piezoelectric nanoplates with flexoelectric effects. Archive of Applied Mechanics. ISSN 9391533 (In Press)

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Abstract

This paper uses the finite element method to simulate the mechanical, electric, and polarization behaviors of piezoelectric nanoplates resting on elastic foundations subjected to static loads, in which the flexoelectric effect is taken into consideration. The finite element formulations are established by employing a new type of shear deformation theory, which does not need any shear correction factors, but still accurately describes the stress field of the plate. The numerical results show clearly that the flexoelectric effect has a strong influence on the mechanical responses of the nanoplates. In particular, the normal stress distribution in the thickness direction is no longer linear when the flexoelectric coefficient is large enough, and this phenomenon differs completely from that of conventional plates. In addition, the distribution of the electric field and the polarization also depend on boundary conditions, which were not investigated in the published works. © 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

Item Type: Article
Divisions: Faculties > Faculty of Aerospace Engineering
Faculties > Faculty of Mechanical Engineering
Faculties > Faculty of Special Equipments
Identification Number: 10.1007/s00419-021-02048-3
Uncontrolled Keywords: Finite element method; Piezoelectricity; Plates (structural components); Polarization; Shear deformation; Bending; Elastic foundation; Electric behavior; Flexoelectric; Flexoelectric effects; Mechanical behavior; Nanoplates; Piezoelectric nanoplate; Polarization behavior; Static loads; Nanostructures
Additional Information: Language of original document: English.
URI: http://eprints.lqdtu.edu.vn/id/eprint/10221

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