Shear lag solution for structurally attached active sensors

Giola Santoni-Bottai; Victor Giurgiutiu

doi:10.1117/12.847676

31 March 2010 Shear lag solution for structurally attached active sensors

Proceedings Volume 7647, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010; 76472Q (2010) https://doi.org/10.1117/12.847676
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2010, San Diego, California, United States

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.

Citation Download Citation

Giola Santoni-Bottai and Victor Giurgiutiu "Shear lag solution for structurally attached active sensors", Proc. SPIE 7647, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010, 76472Q (31 March 2010); https://doi.org/10.1117/12.847676

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