Lamb wave-based SHM technology for damage detection and localization in plate-like
structures has typically relied on post-processing of ultrasonic guided waves. Traditionally …

In this paper, convolutional neural network (CNN) is employed for crack damage detection in
thin aluminum plates. Identifying a successful damage feature is a critical step in …

The development of multidisciplinary integrated Structural Health Management (SHM) tools
will enable accurate detection, and prognosis of damaged aircraft under normal and …

The significance of evaluating bolt tightness in engineering structures, preferably in a
continuous manner, cannot be overemphasized. With hybrid use of high-order harmonics …

This paper presents a new crack size quantification method based on in-situ Lamb wave
testing and Bayesian method. The proposed method uses coupon test to develop a baseline …

A damage localization method based on the time reversal focusing of the mode-converted
scattered Lamb wave is proposed for plate structures with a non-symmetric defect in the …

Fatigue crack growth in plate structures is monitored with ultrasonic guided waves
generated from piezoelectric transducers. Cracks initiate in the vicinity of fastener holes due …

To characterize fatigue cracks, in the undersized stage in particular, preferably in a
quantitative and precise manner, a two-dimensional (2D) analytical model is developed for …

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

A wave energy dissipation (WED)-based linear acoustic approach and a vibro-acoustic
modulation (VM)-based nonlinear method were developed comparatively, for detecting bolt …