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Proceedings Paper

Degenerated shell finite element for smart structures
Author(s): Vijay Kumar Gupta; P. Seshu; K. Kurien Issac
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Paper Abstract

Piezoelectric materials are being explored for shape and vibration control. In this paper Finite Element formulation for analyzing general shell structures under the influence of piezoelectric actuators is presented. Reduced integration is carried out to overcome problem of shear locking, and integration is carried out numerically in all three directions to obtain accurate results. The FE formulation is compared with the current literature. Experiments are conducted on curved beams and experimental results are compared with the current Finite Element formulation. Non-linearity is observed at higher voltages. Typical FEA results on a doubly curved hemispherical shell are also presented.

Paper Details

Date Published: 14 October 2003
PDF: 8 pages
Proc. SPIE 5062, Smart Materials, Structures, and Systems, (14 October 2003); doi: 10.1117/12.514467
Show Author Affiliations
Vijay Kumar Gupta, Engineering College Kota (India)
P. Seshu, Indian Institute of Technology, Mumbai (India)
K. Kurien Issac, Indian Institute of Technology, Mumbai (India)

Published in SPIE Proceedings Vol. 5062:
Smart Materials, Structures, and Systems
S. Mohan; B. Dattaguru; S. Gopalakrishnan, Editor(s)

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