Novel approach-based sparsity for damage localization in functionally graded material

E Ghandourah, K Bendine, S Khatir, B Benaissa… - Buildings, 2023 - mdpi.com
Model-based approaches have been widely employed in damage detection and localization
studies. However, alternative techniques, such as built-in online detection methods, hold …

A comprehensive study on guided wave dispersion in complex structures

M Aslam, J Park, J Lee - International Journal of Mechanical Sciences, 2024 - Elsevier
Guided waves play a crucial role in non-destructive testing, offering a reliable and efficient
means for inspecting structures and materials. In this paper, we present the implementation …

Enhancing structural integrity of refractories during manufacturing through integration of UPV and acoustic nonlinearity measurements

M Aslam, Y Choi, J Lee - Nondestructive Testing and Evaluation, 2024 - Taylor & Francis
This paper addresses the critical need for robust quality assurance in commercial
refractories, emphasizing the role of Ultrasonic Pulse Velocity (UPV) testing in assessing …

A multitask SHM algorithm to identify damage with random severity and location in IPE beams using EMI technique

M Zamanian, N Sepehry, SM Zahrai - Structures, 2024 - Elsevier
Existing electromechanical impedance (EMI) damage identification algorithms often face
challenges in terms of generalizability. This paper presents a robust algorithm that can …

Study of circumferential SH-wave interaction with a piezoelectric cylinder having pre-stressed viscoelastic imperfect coating

M Arif, P Alam - Mechanics Research Communications, 2024 - Elsevier
In this study, the circumferential interaction behaviour of the SH-wave with a piezoelectric
cylinder coated with a viscoelastic material is investigated. The coating interface is imperfect …

Nonlinear guided wave mixing in weld joints for detection of material nonlinearity

M Aslam, J Lee - Thin-Walled Structures, 2024 - Elsevier
The remarkable sensitivity of ultrasonic waves to detect the early stages of material
degradation stems from their inherent nonlinear nature. However, distinguishing the …

[HTML][HTML] Enhanced fatigue crack detection in complex structure with large cutout using nonlinear Lamb wave

S Zhang, Y Liu, S Yuan - Sensors, 2024 - mdpi.com
The large cutout structure is a key component in the bottom skin of an airplane wing, and is
susceptible to develo** fatigue cracks under service loads. Early fatigue crack detection is …

[HTML][HTML] Numerical investigation of bandgap characteristics in integrated metallic metafilters for nonlinear guided wave applications

M Aslam, J Lee - APL Materials, 2024 - pubs.aip.org
Guided waves propagating in nonlinear media, featuring second harmonic generation,
represent a promising avenue for early-stage damage detection due to their high sensitivity …

Dynamic response of multi-layered functionally graded lining under plane SH-, P-and SV-waves

N Zhang, X Li, Y Zhang, Y Zhang, H Lu, D Dai - Soil Dynamics and …, 2025 - Elsevier
A general analytical solution for dynamic response of a multi-layered functionally graded
lining (FGL) in a full space subjected to plane SH-, P-and SV-waves is presented using the …

Detection and evaluation of thermal aging damage in 316H stainless steel using frequency mixing nonlinear ultrasonic method

L Luo, J Ma, Y Wang, H Yu, X Chen, W Ye… - Engineering Failure …, 2025 - Elsevier
The 316H stainless steel is a suitable material to manufacture high temperature components
in fourth-generation nuclear reactors, due to its outstanding corrosion and oxidation …