The paper provides a state of the art review of guided wave based structural health
monitoring (SHM). First, the fundamental concepts of guided wave propagation and its …

This article presents a comprehensive review of the laser-based guided ultrasonic waves
propagation imaging (G-UPI) system and respective signal/data processing methods related …

In this paper, results of damage localization performed for four sensing network
configurations are compared. Process of damage localization is based on guided waves …

Recent quantum leap in far-field laser techniques has advanced noncontact implementation
of nondestructive ultrasonic imaging, in pursuit of enhanced accessibility, detectability and …

In this work a method is presented for detecting and locating stress corrosion cracking (SCC)
in stainless steel pipe samples. The method combines laser generation and either laser or …

Techniques based on laser generated Lamb waves (LGLW) and compact array can realize
far field, noncontact localization of defects in plate structures. Fully utilizing the information of …

This work presents a new omnidirectional electromagnetic acoustic transducer (EMAT)
employing a circumferential periodic permanent magnet array, which was proposed for …

In this research, to solve the problem of the ultrasonic guided wave inspection of a U-shaped
boom, an improved periodic permanent magnet electromagnetic acoustic transducer (PPM …

Joining of metal structures, or welding, plays a critical role in our modern world, where safety
critical welds of thin sheet metals are used in pipework, nuclear cannisters and aircraft …

According to the thermoelastic and heat conduction equations of laser ultrasonic, ultrasonic
propagation images are obtained by solving finite element solution equations. Based on …