Deterioration mechanisms and advanced inspection technologies of aluminum windows
Aluminum windows are crucial components of building envelopes since they connect the
indoor space to the external environment. Various external causes degrade or harm the …
indoor space to the external environment. Various external causes degrade or harm the …
New entropy-based vibro-acoustic modulation method for metal fatigue crack detection: An exploratory study
Metal fatigue is a typical industrial failure, and investigations on monitoring of fatigue cracks
are required. Therefore, in this study, we developed an exploratory study by proposing a …
are required. Therefore, in this study, we developed an exploratory study by proposing a …
Full life-cycle monitoring and earlier warning for bolt joint loosening using modified vibro-acoustic modulation
Structural health monitoring (SHM) has played a crucial role in continuously assuring
adequate integrity across equipment, especially early loosening estimation of bolt joints …
adequate integrity across equipment, especially early loosening estimation of bolt joints …
Locating delaminations in laminated composite beams using nonlinear guided waves
R Soleimanpour, CT Ng - Engineering Structures, 2017 - Elsevier
This paper proposes a new method for detecting and locating delaminations in laminated
composite beams using nonlinear guided wave. It is shown that when incident wave …
composite beams using nonlinear guided wave. It is shown that when incident wave …
Model-driven fatigue crack characterization and growth prediction: A two-step, 3-D fatigue damage modeling framework for structural health monitoring
Prevailing fatigue damage evaluation approaches that make use of the acoustic nonlinearity
of guided ultrasonic waves (GUWs) are sustained by simplified models, most of which depict …
of guided ultrasonic waves (GUWs) are sustained by simplified models, most of which depict …
Damage detection in composite panels based on mode-converted Lamb waves sensed using 3D laser scanning vibrometer
Ł Pieczonka, Ł Ambroziński, WJ Staszewski… - Optics and lasers in …, 2017 - Elsevier
This paper introduces damage identification approach based on guided ultrasonic waves
and 3D laser Doppler vibrometry. The method is based on the fact that the symmetric and …
and 3D laser Doppler vibrometry. The method is based on the fact that the symmetric and …
An elastodynamic reciprocity theorem-based closed-form solution to second harmonic generation of lamb waves by a fatigue crack: theory & experimental validation
Abstract Characterization of small-scale damage (with dimensions smaller than 1/10 of the
probing wavelength) using nonlinear guided ultrasonic waves (GUWs) has been practiced …
probing wavelength) using nonlinear guided ultrasonic waves (GUWs) has been practiced …
Detecting damage size and shape in a plate structure using PZT transducer array
An algorithm to detect damage size and shape using a lead zirconate titanate (PZT)
transducer array for a plate structure is developed in this paper. During the process of …
transducer array for a plate structure is developed in this paper. During the process of …
Scattering analysis of nonlinear Lamb waves at delaminations in composite laminates
R Soleimanpour, CT Ng - Journal of Vibration and Control, 2022 - journals.sagepub.com
This study investigates the higher harmonic generation of the Lamb wave at a delamination
due to contact acoustic nonlinearity, which is a clapping phenomenon between sublaminate …
due to contact acoustic nonlinearity, which is a clapping phenomenon between sublaminate …
Modelling and analysis of nonlinear guided waves interaction at a breathing crack using time-domain spectral finite element method
S He, CT Ng - Smart Materials and Structures, 2017 - iopscience.iop.org
This study proposes a time-domain spectral finite element (SFE) model and investigates
nonlinear guided wave interaction at a breathing crack. An extended time-domain SFE …
nonlinear guided wave interaction at a breathing crack. An extended time-domain SFE …