[HTML][HTML] Coupled five-parameter dynamics of Mindlin and third-order shear deformable FG graphene-platelets reinforced viscoelastic plates with geometric and …

K Yee, MH Ghayesh, CT Ng - Engineering Structures, 2023 - Elsevier
The present work investigates the coupled five-parameter dynamics, in particular, the
coupled five-parameter structural resonance frequency, of functionally graded (FG) …

Assessment of damage in composites using static component generation of ultrasonic guided waves

C Jiang, C Zhang, W Li, M Deng… - Smart Materials and …, 2022 - iopscience.iop.org
Static component (SC) generation of guided waves (GWs), which combines the high
sensitivity of acoustic nonlinearity to micro-damage and low attenuative effect, has great …

Fatigue crack detection in edges of thin-walled structures with corners using the fundamental mode of edge waves

H Zhu, CT Ng, A Kotousov - Ultrasonics, 2023 - Elsevier
Non-destructive detection and evaluation of fatigue cracks is critical to maintain safety and
effective operation of high-value assets working under cyclic loading. However, this can be …

Numerical modeling with experimental verification investigating the effect of various nonlinearities on the sideband peak count-index technique

G Zhang, B Hu, H Alnuaimi, U Amjad, T Kundu - Ultrasonics, 2024 - Elsevier
A newly developed nonlinear ultrasonic (NLU) technique called sideband band peak count-
index (or SPC-I) measures the degree of nonlinearity in materials by counting the sideband …

Study on propagation mechanism and attenuation law of acoustic emission waves for damage of prestressed steel strands

J Hou, C Wang, S Li, N Jiang, B Xu, G Wu - Measurement, 2023 - Elsevier
The study of acoustic emission waves propagation mechanism and attenuation laws for
damage of prestressed steel strands is the theoretical basis for acoustic emission health …

[HTML][HTML] Numerical and experimental investigations on quasistatic pulse generation of ultrasonic guided waves in fiber reinforced composite pipes

C Jiang, W Li, CT Ng, M Deng - Journal of Sound and Vibration, 2024 - Elsevier
The quasistatic pulse (QSP) generation of ultrasonic guided waves in composite pipes can
exhibit many features that are useful for early-stage material characterization and structural …

Quasistatic component generation of group velocity mismatched guided waves in tubular structures for microdamage localization

C Jiang, W Li, CT Ng, M Deng - Applied Acoustics, 2024 - Elsevier
Quasistatic component (QSC) of guided wave (GW) has relatively low attenuation due to low
frequency and high sensitivity to microdamage. The group velocity matching between …

Defects evaluation near edges of structural elements using the fundamental mode of edge waves

H Zhu, A Kotousov, CT Ng - Journal of Sound and Vibration, 2023 - Elsevier
Structural elements with edges are widely used across many industries and applications;
examples include tapered flange beams and the footing of rail tracks. The distant defect …

[HTML][HTML] Numerical and experimental investigations on quasi-static component generation of longitudinal wave propagation in isotropic pipes

M Gao, X Hu, CT Ng, A Kotousov, J Lin - Ultrasonics, 2024 - Elsevier
In this paper, the quasi-static component (QSC) generation of longitudinal waves
propagating in an isotropic pipe is investigated numerically and experimentally. The three …

Structural novelty detection with Laplace asymptotic expansion of the Bhattacharyya distance of transmissibility and Bayesian resampling scheme

LF Mei, WJ Yan, KV Yuen, M Beer - Journal of Sound and Vibration, 2022 - Elsevier
As an output-to-output dynamical representation of engineering structures, the
transmissibility function (TF) has been widely reported to be a damage-sensitive but …