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Proceedings Paper

Shear lag solution for structurally attached active sensors
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Paper Abstract

Piezoelectric wafer active sensors (PWAS) have been used as actuators in structural health monitoring system of beams, plates, and truss elements. This paper presents a shear lag solution for the transfer of stress and strain between a structurally attached piezoelectric wafer active sensor and the support structure. We will derive a shear lag solution not limited to the low frequency approximation, i.e., a generic solution. Both the low frequency approximation and the generic solution will be applied to the computation of PWAS-structure tuning curves.

Paper Details

Date Published: 31 March 2010
PDF: 10 pages
Proc. SPIE 7647, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010, 76472Q (31 March 2010); doi: 10.1117/12.847676
Show Author Affiliations
Giola Santoni-Bottai, Univ. of South Carolina (United States)
Victor Giurgiutiu, Univ. of South Carolina (United States)


Published in SPIE Proceedings Vol. 7647:
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010
Masayoshi Tomizuka, Editor(s)

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