Generalized dispersive mode decomposition: Algorithm and applications

S Chen, K Wang, Z Peng, C Chang, W Zhai - Journal of Sound and …, 2021 - Elsevier
Dispersive signals known for frequency-dependent characteristics have been frequently
encountered in various fields like nondestructive testing, underwater acoustics, etc. Such …

[HTML][HTML] Evaluation of disbonds in adhesively bonded multilayer plates through local wavenumber estimation

J Spytek, L Ambrozinski, L Pieczonka - Journal of Sound and Vibration, 2022 - Elsevier
Multilayer plates are widely used as structural components, especially in high-tech
industries. However, compared to much simpler homogeneous plates, they pose unique …

Damage features for structural health monitoring based on ultrasonic Lamb waves: Evaluation criteria, survey of recent work and outlook

H Lu, B Chandran, W Wu, J Ninic, K Gryllias… - Measurement, 2024 - Elsevier
Guided Lamb waves are highly valued in structural health monitoring for identifying critical
damage. The essence of Lamb wave-based damage detection is finding and processing …

Preload monitoring of bolted L-shaped lap joints using virtual time reversal method

F Du, C Xu, G Wu, J Zhang - Sensors, 2018 - mdpi.com
L-shaped bolt lap joints are commonly used in aerospace and civil structures. However, bolt
joints are frequently subjected to loosening, and this has a significant effect on the safety …

A reconstruction-based mode separation method of Lamb wave for damage detection in plate structures

K Zhou, Y Zheng, J Zhang, X Xu, S Ma… - Smart Materials and …, 2019 - iopscience.iop.org
This paper presents a new method to separate multi-mode signal of Lamb wave through
reconstruction of pure mode basis signals calculated based on phase and group velocity …

Three-stage Lamb-wave-based damage localization algorithm in plate-like structures for structural health monitoring applications

MM Bahador, A Zaimbashi, R Rahgozar - Signal Processing, 2020 - Elsevier
In this paper, a new two-dimensional localization algorithm based on the combination of
detection theory and array processing frameworks is presented. Our proposed method is …

Fatigue life prediction of GFRP laminates using averaged Bayesian predictive distribution and Lamb wave velocity

T Chongcong, Z Chao, J Hongli, Q Jinhao - Composites Science and …, 2020 - Elsevier
This paper presents a fatigue life prediction approach for GFRP laminates using laser
ultrasonic technique for data acquisition and a hierarchical Bayesian model for damage …

The methodology for the reliability evaluation of the signal processing methods used for the dispersion estimation of Lamb waves

L Draudvilienė, A Meškuotienė - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The applications of ultrasonic Lamb waves are becoming more and more frequent and
diverse in industrial fields. These waves are used in non-destructive testing (NDT), structural …

A modified virtual time reversal method for enhancing monitoring sensitivity of bolt preloads based on ultrasonic guided waves

F Du, Z Tian, Y Nan, X Zhang, C Xu, S Wang… - Journal of Sound and …, 2024 - Elsevier
Bolted joints are prone to loosening due to inaccurate initial preloads and time-varying
service conditions. Real-time monitoring of bolt preloads is therefore an important means to …

Metrological performance of hybrid measurement technique applied for the Lamb waves phase velocity dispersion evaluation

L Draudviliene, A Meskuotiene, O Tumšys… - IEEE …, 2020 - ieeexplore.ieee.org
The work presents the metrological evaluation of the modified hybrid spectrum
decomposition and zero-crossing technique. The presented technique enables to …