Modal analysis of stepped piezoelectric beams

Maurizio Porfiri; Corrado Maurini; Joël Pouget

doi:10.1117/12.715200

27 April 2007 Modal analysis of stepped piezoelectric beams

Maurizio Porfiri, Corrado Maurini, Joël Pouget

Proceedings Volume 6525, Active and Passive Smart Structures and Integrated Systems 2007; 65251J (2007) https://doi.org/10.1117/12.715200
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2007, San Diego, California, United States

Abstract

In this paper, we examine and compare four different techniques for modal analysis of stepped piezoelectric beams. The first technique is based on the solution of the exact transcendental eigenvalue problem, formulated in terms of the dynamic stiffness matrix. The other three techniques are based on the Galerkin method for obtaining a finite-dimensional version of the system. Besides the classical assumed modes method and finite-element method, we propose a novel enhanced version of the assumed modes method, which introduces special jump functions to enrich the standard basis functions.

Citation Download Citation

Maurizio Porfiri, Corrado Maurini, and Joël Pouget "Modal analysis of stepped piezoelectric beams", Proc. SPIE 6525, Active and Passive Smart Structures and Integrated Systems 2007, 65251J (27 April 2007); https://doi.org/10.1117/12.715200

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