Adaptive dispersion compensation for guided wave imaging

2012 ◽  
Author(s):  
James S. Hall ◽  
Jennifer E. Michaels
Keyword(s):  
Dispersion Compensation ◽  
Guided Wave ◽  
Wave Imaging

scholarly journals Synthetic aperture guided wave imaging using a mobile sensor platform

2012 ◽  
Author(s):  
Gordon Dobie ◽  
Walter Galbraith ◽  
Charles MacLeod ◽  
Rahul Summan ◽  
Gareth Pierce
Keyword(s):  
Guided Wave ◽  
Synthetic Aperture ◽  
Mobile Sensor ◽  
Sensor Platform ◽  
Wave Imaging

Early Fatigue Damage Evaluation of Nonlinear Guided Wave Imaging in Hyperelastic Materials

2021 ◽  
Author(s):  
Chengwei Zhao ◽  
Sunia Tanweer ◽  
Jian Li ◽  
Min Lin ◽  
Xiang Zhang ◽  
...  
Keyword(s):  
Fatigue Damage ◽  
Guided Waves ◽  
Lamb Waves ◽  
Tone Burst ◽  
Guided Wave ◽  
Third Order ◽  
Hyperelastic Materials ◽  
Third Order Elastic Constants ◽  
Wave Imaging ◽  
Processing Platform

Abstract Nonlinear ultrasonic guided waves have superior sensitivity of the early fatigue damage. This paper investigates the analysis of the second harmonics of Lamb waves in a free boundary aluminum plate, and the internal resonance conditions between the Lamb wave primary modes and the second harmonics. The Murnaghan’s model is implemented in a finite element (FE) analysis to describe the hyperelastic constitutive relation for nonlinear acoustic modeling. The second harmonics of s0 mode are actuated by a 60kHz Hanning-windowed tone burst. A guided wave signal processing platform is developed for tomographic imaging. The different stages of fatigue are reflected by the changes of third-order elastic constants (TOECs) in Murnaghan’s model. The reconstructed damage locations match well with the actual ones cross different degrees and depths of fatigue.

Ultrasonic guided wave imaging with deep learning: Applications in corrosion mapping

2022 ◽  
Vol 169 ◽  
pp. 108761
Author(s):  
Xiaocen Wang ◽  
Min Lin ◽  
Jian Li ◽  
Junkai Tong ◽  
Xinjing Huang ◽  
...  
Keyword(s):  
Deep Learning ◽  
Guided Wave ◽  
Ultrasonic Guided Wave ◽  
Wave Imaging

Theory and Methodology of Electromagnetic Ultrasonic Guided Wave Imaging

2020 ◽  
Author(s):  
Songling Huang ◽  
Yu Zhang ◽  
Zheng Wei ◽  
Shen Wang ◽  
Hongyu Sun
Keyword(s):  
Guided Wave ◽  
Ultrasonic Guided Wave ◽  
Wave Imaging

The feasibility of synthetic aperture guided wave imaging to a mobile sensor platform

2013 ◽  
Vol 58 ◽  
pp. 10-17 ◽  
Author(s):  
Gordon Dobie ◽  
S. Gareth Pierce ◽  
Gordon Hayward
Keyword(s):  
Guided Wave ◽  
Synthetic Aperture ◽  
Mobile Sensor ◽  
Sensor Platform ◽  
Wave Imaging

Multi-Helical Path Exploitation in Sparsity-Based Guided-Wave Imaging of Defects in Pipes

2018 ◽  
Vol 37 (2) ◽  
Author(s):  
A. Golato ◽  
F. Ahmad ◽  
S. Santhanam ◽  
M. G. Amin
Keyword(s):  
Guided Wave ◽  
Wave Imaging
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