A Boundary Element Model for Structural Health Monitoring Based on the S0 Lamb Wave Mode
The aim of this paper was to carry out numerical simulations of structural health monitoring applications for plate structures using the boundary element method (BEM). The fundamental symmetric Lamb mode (S0) is chosen for the SHM applications. The propagation, reflection and diffraction of the S0 mode Lamb wave are modelled using a boundary element formulation based on the plane stress theory. Piezoelectric (PZT) actuators are mounted on plate surfaces to excite the S0 mode wave. A semi-analytical method is adopted to couple the PZT actuators and the host plate. Numerical results show that BEM is a very efficient simulation method for the structural health monitoring of plates.
Luis Rodríguez-Tembleque, Jaime Domínguez and Ferri M.H. Aliabadi
J. Li et al., "A Boundary Element Model for Structural Health Monitoring Based on the S0 Lamb Wave Mode", Key Engineering Materials, Vol. 774, pp. 625-631, 2018