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Proceedings Paper

Transient torsional responses of finite piezoelectric hollow cylinder
Author(s): H. M. Wang
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Paper Abstract

An exact elastodynamic solution is obtained for torsional vibration of a finite piezoelectric hollow cylinder subjected to dynamic shearing stress and time dependent electric potential at the internal surface. The cylinder is traction free at the two ends and is fixed at the external surface. The piezoelectric material belongs to 622 crystal class. In axial direction, the trigonometric series expansion technique is introduced to guarantee the solution satisfies the end conditions. Then the governing equations for new variables about the radial coordinate r and the time variable t are derived. By means of the normal mode expansion method, the solution for torsional vibration is finally obtained. Numerical investigations are presented and the dynamic behaviors of the finite piezoelectric hollow cylinder are analyzed.

Paper Details

Date Published: 20 October 2009
PDF: 8 pages
Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 749328 (20 October 2009); doi: 10.1117/12.843111
Show Author Affiliations
H. M. Wang, Zhejiang Univ. (China)

Published in SPIE Proceedings Vol. 7493:
Second International Conference on Smart Materials and Nanotechnology in Engineering
Jinsong Leng; Anand K. Asundi; Wolfgang Ecke, Editor(s)

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