Journal
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
Volume 66, Issue -, Pages 93-106Publisher
ELSEVIER
DOI: 10.1016/j.physe.2014.10.002
Keywords
Piezoelectric materials; Nanoplates; Size effect; Thermo-electro-mechanical vibration; Nonlocal theory
Funding
- National Natural Science Foundation of China [11322218]
- Program for New Century Excellent Talents in University [NCET-13-0656]
- Beijing Higher Education Young Elite Teacher Project [YETP0562]
- Fundamental Research Funds for the Central Universities [2014YJS089]
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This paper investigates the thermo-electro-mechanical vibration of the rectangular piezoelectric nanoplate under various boundary conditions based on the nonlocal theory and the Mindlin plate theory. It is assumed that the piezoelectric nanoplate is subjected to a biaxial force, an external electric voltage and a uniform temperature rise. The Hamilton's principle is employed to derive the governing equations and boundary conditions, which are then discretized by using the differential quadrature (DQ) method to determine the natural frequencies and mode shapes. The detailed parametric study is conducted to examine the effect of the nonlocal parameter, thermo-electro-mechanical loadings, boundary conditions, aspect ratio and side-to-thickness ratio on the vibration behaviors. (C) 2014 Elsevier B.V. All rights reserved.
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