Abstract
The dynamic stability of a composite laminated cylindrical shell containing a throughout delamination along circumferential direction integrated with piezoelectric layers at both inner and outer surfaces is investigated in this article. The Heaviside step function is used to describe the displacement components in the regions with and without delamination. Based on the classical shell theory, linear piezoelastic constitutive relationship, and variational principle, the governing equations of motion are derived and then solved by employing Rayleigh-Ritz method and Bolotin method to obtain the principal unstable region. Numerical results are presented in both tabular and graphical forms to show the effects of the piezoelectric layer; the length, depth, and location of the delamination; and the static axial force on the resonance frequency and the principal unstable region of the delaminated piezoelectric laminated shell. © 2013 The Author(s).
| Original language | English |
|---|---|
| Pages (from-to) | 1770-1781 |
| Journal | Journal of Intelligent Material Systems and Structures |
| Volume | 24 |
| Issue number | 14 |
| DOIs | |
| Publication status | Published - Sept 2013 |
| Externally published | Yes |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].Funding
The authors are grateful for the financial support.
Research Keywords
- Bolotin method
- cylindrical shell
- delamination
- dynamic stability
- Piezoelectric
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