Lamb wave is widely recognized as one of the most encouraging tools for structural health
monitoring (SHM) systems. In spite of many favourable characteristics of Lamb wave for …

As an innovative technology, the impedance-based technique has been extensively studied
for the structural health monitoring (SHM) of various civil structures. The technique's …

This study showcases the electromechanical impedance (EMI) technique for extracting and
promoting zero-group velocity (ZGV) and cutoff frequency resonances in a waveguide …

Concrete cracks are considered as an important indicator for potential damage and
durability and are generally monitored in structural maintenance. A typical repair method in …

Piezoelectric ultrasonic transducers (PUT) are applied in a wide range of fields such as non-
destructive evaluation (NDE), medical imaging and petroleum exploration, etc …

Modern lightweight woven fabric composite structures play an important role in industrial
field. The occurrence and accumulation of structure damages can threaten the integrity of in …

Guided waves are sensitive to variations in propagation environments. Many recent studies
have focused on the uniform thermal effect on Lamb waves. However, there is little research …

Damage detection of prestressed near-surface mounted (NSM) carbon fiber reinforced
polymer (CFRP) beams has attracted much attention over the last few decades due to the …

Optical fiber sensors have been utilized as an alternative to piezoelectric sensors in
ultrasonic nondestructive testing due to their advantages such as a light weight, small size …

Structural damage generally initiates in the form of structural cracks. Thus, developing
efficient crack detection techniques is of great importance for the structural health …