Analysis of strain induced in piezoelectric actuated beams

P. Seshu; Ganapathy Naganathan

doi:10.1117/12.240840

31 May 1996 Analysis of strain induced in piezoelectric actuated beams

P. Seshu, Ganapathy Naganathan

Proceedings Volume 2715, Smart Structures and Materials 1996: Mathematics and Control in Smart Structures; (1996) https://doi.org/10.1117/12.240840
Event: 1996 Symposium on Smart Structures and Materials, 1996, San Diego, CA, United States

Abstract

Piezoelectric actuated smart systems are becoming increasingly popular. The proper selection and application of the adhesive bonds between the piezoceramic and the substrate play an important role in maximizing the strain transfer from the piezoceramic to the substrate. Detailed finite element models are developed in this study to model the strain transfer from the piezo actuator to the substrate through a finite thickness adhesive layer. A 2D nine model Lagrangian finite element has been used for this purpose. The finite element results are compared with the existing 1D analytical models and the limitations of the analytical models are brought out. A comprehensive set of results for various values of the shear lag parameter are presented for both extension and bending type actuation.

Citation Download Citation

P. Seshu and Ganapathy Naganathan "Analysis of strain induced in piezoelectric actuated beams", Proc. SPIE 2715, Smart Structures and Materials 1996: Mathematics and Control in Smart Structures, (31 May 1996); https://doi.org/10.1117/12.240840

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