Abstract
This paper presents an investigation on the nonlinear dynamic response of piezoelectric cylindrical shells reinforced with boron nitride nanotubes (BNNTs) under a combined axisymmetric electro-thermo-mechanical loading. By employing the classical Donnell shell theory, the von Kármán-Donnell kinematic relationship, and a piezo-elastic constitutive law including thermal effects, the nonlinear governing equations of motion of the shell are derived through the Reissner variational principle. The finite difference method and a time-integration scheme are used to obtain the nonlinear dynamic response of the BNNT-reinforced piezoelectric shell. A parametric study is conducted, showing the effects of geometrically nonlinear deformation, applied voltage, temperature change, mechanical load, BNNT volume fraction and boundary conditions on the nonlinear dynamic response. © 2012 IOP Publishing Ltd.
| Original language | English |
|---|---|
| Article number | 125005 |
| Journal | Smart Materials and Structures |
| Volume | 21 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - Dec 2012 |
| Externally published | Yes |
Bibliographical note
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