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Proceedings Paper

Fuzzy finite element analysis of smart structures
Author(s): Unyime O. Akpan; Tamunoiyala S. Koko; Irewole R. Orisamolu; B. Keith Gallant
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Paper Abstract

A fuzzy finite element based approach is developed for modelling smart structures with vague or imprecise uncertainties. Fuzzy sets are used to represent the uncertainties present in the piezoelectric, mechanical, thermal, and physical properties of the smart structure. In order to facilitate efficient computation, a sensitivity analysis procedure is used to streamline the number of input fuzzy variables, and the vertex fuzzy analysis technique is then used to compute the possibility distributions of the responses of the smart structural system. The methodology has been developed within the framework of the SMARTCOM computational tool for the design/analysis of smart composite structures. The methodology developed is found to be accurate and computationally efficient for solution of practical problems.

Paper Details

Date Published: 19 June 2000
PDF: 12 pages
Proc. SPIE 3984, Smart Structures and Materials 2000: Mathematics and Control in Smart Structures, (19 June 2000); doi: 10.1117/12.388792
Show Author Affiliations
Unyime O. Akpan, Martec Ltd. (Canada)
Tamunoiyala S. Koko, Martec Ltd. (Canada)
Irewole R. Orisamolu, United Technologies Research Ctr. (United States)
B. Keith Gallant, Martec Ltd. (Canada)


Published in SPIE Proceedings Vol. 3984:
Smart Structures and Materials 2000: Mathematics and Control in Smart Structures
Vasundara V. Varadan, Editor(s)

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