Dynamic analysis of a piezoelectric augmented beam system with adhesive bonding layer effects

Abstract

Embedded and surface bonded piezoelectric wafers have been widely used for control and monitoring purposes. Several nondestructive evaluation and structural health monitoring techniques, such as electromechanical impedance and wave propagation-based techniques, utilize piezoelectric wafers in either active or passive manner to interrogate the host structure. The basis of all these techniques is the energy transfer between the piezoelectric wafer and the host structure which takes place through an adhesive bonding layer. In this article, the high-frequency dynamic response of a coupled piezoelectric-beam system is modeled including the adhesive bonding layer in between. A new three-layer spectral element is developed for this purpose. The formulation of this new element takes into account axial and shear deformations, in addition to rotary inertia effects in all three layers. The capabilities of the proposed model are demonstrated through several numerical examples, where the effects of bonding layer geometric and material characteristics on dispersion relations and damage detection capabilities are discussed. The results highlight the importance of accounting for the adhesive bonding layer in piezoelectric-structure interaction models, especially when the high-frequency dynamic response is of interest.

An experimental and theoretical study of two-dimensional traveling waves in plates

“…The focus of this article is to investigate traveling waves at relatively low frequencies (up to 3000 Hz). At such frequencies the effects of the adhesive bonding layer between the plate and the piezo patches are negligible (Albakri and Tarazaga, 2016), and hence, those sections of the plate covered with piezo patches are considered as a composite structure. With this assumption, the classical lamination theory is adopted to obtain the equivalent material characteristics for these composite sections.…”

Active tuning of the vibration band gap characteristics of periodic laminated composite metamaterial beams

“…The vibration behaviors of the laminated composite structures induced by the disturbances can be regarded as the results of the elastic wave propagation in the laminated composite structures. The spectral element method (SEM) simultaneously has the advantages of wave propagation analysis and the finite element method (FEM), and it has been effectively employed to analyze the dynamic response and wave propagation characteristics of the composite beams bonded with the piezoelectric patches (Albakri and Tarazaga, 2017; Ge et al, 2014; Lee et al, 2013; Maloth et al, 2017; Song et al, 2015). Consequently, the elastic wave tuning approach can be employed to suppress the structural vibration, and one of the popular elastic wave tuning approaches is based on the frequency band-gap property of the periodic structures (Gao et al, 2013; Zhang et al, 2018).…”

Monitoring of a controlled space flexible multibody by means of embedded piezoelectric sensors and cameras synergy

“…Therefore, the endogenous and exogenous vibrations on the overall structure are simultaneously attenuated by the combined controller. The use of piezoelectric transducers has been also suggested for different goals; in fact, they can be embedded inside the composites or bonded onto the surface are a possible solution for online structural health monitoring and non-destructive evaluation, as suggested by Albakri and Tarazaga (2016), Park et al (2007), Tang et al (2011), and Yang et al (2008). Also in Shanker et al (2011), the PZT patches are used to determine the natural frequencies and the strain mode shapes of the structure as well as to acquire the electro-mechanical admittance signature to facilitate an improved damage assessment.…”