Three-dimensional scaled boundary finite element method to simulate Lamb wave health monitoring of homogeneous structures: Experiment and modelling

•Efficient and accurate simulation of PZT-based Lamb wave health monitoring using three-dimensional SBFEM.•Utilizing SBFEM to model the electromechanical vibration of low-profile PZTs based on equivalent force concept.•Simple discretization of complex configurations by linking the SBFEM meshing module to standard finite element mesh generators.•Reduced computational cost for simulation of structural health monitoring techniques based on high-frequency transient wave motion.