Fast identification of concrete cracks using 1D deep learning and explainable artificial intelligence-based analysis

GK Geetha, SH Sim - Automation in Construction, 2022 - Elsevier
The present paper discusses a computationally efficient Deep Learning (DL) model for real-
time classification of concrete crack/non-crack and investigates the 'black-box'nature of the …

In situ damage classification for composite laminates using Gaussian discriminant analysis

C Larrosa, K Lonkar, FK Chang - Structural health …, 2014 - journals.sagepub.com
An investigation was performed to develop a damage classification method to characterize
sensor data from built-in piezoelectric actuators on laminated composites in terms of matrix …

Monitoring fatigue-induced transverse matrix cracks in laminated composites using built-in acousto-ultrasonic techniques

CL Wilson, FK Chang - Structural Health Monitoring, 2016 - journals.sagepub.com
This work investigated the use of ultrasonic wave propagation in a composite laminate to
monitor transverse matrix cracking. It was found that the change in the signal's power …

Laser Doppler imaging of delamination in a composite T-joint with remotely located ultrasonic actuators

GK Geetha, DR Mahapatra, S Gopalakrishnan… - Composite …, 2016 - Elsevier
This paper presents an experimental study on the interaction of ultrasonic guided waves
with delamination in the web–flange interface of a co-cured, co-bonded composite T-joint. A …

Diagnosis and prognosis of fatigue damage in adhesively bonded joints using ultrasound non-destructive evaluation

RP Palanisamy, P Banerjee… - Journal of …, 2022 - asmedigitalcollection.asme.org
Increased effort for lightweighting of automotive structures results in the replacement of
traditional metals with composites. Adhesive bonding is the best joining solution for …

Evaluation of matrix cracking in composite laminates based on anomaly indices

X Liu, B Wang, F Ai, D Wei, L Bo - International Journal of Fatigue, 2020 - Elsevier
The paper aims to develop a Lamb waves-based automated method dealing with early
detection and accurate evaluation of matrix cracking in composite laminates. An anomaly …

Generating Reduced-Order Image Data and Detecting Defect Map on Structural Components Using Ultrasonic Guided Wave Scan

GK Geetha, NB Ravi, DR Mahapatra - 2024 - sae.org
The paper presents a theoretical framework for the detection and first-level preliminary
identification of potential defects on aero-structure components by employing ultrasonic …

Guided-wave-based damage detection in a composite T-joint using 3D scanning laser Doppler vibrometer

GK Geetha, DR Mahapatra… - Health Monitoring of …, 2012 - spiedigitallibrary.org
Composite T-joints are commonly used in modern composite airframe, pressure vessels and
piping structures, mainly to increase the bending strength of the joint and prevents buckling …

[PDF][PDF] Diagnosis and Prognosis of Fatigue Damage in Adhesively Bonded Joints using Ultrasound NDE

RP Palanisamy, P Banerjee, M Haq, Y Deng - researchgate.net
Increased effort for light-weighting of automotive structures results in replacement of
traditional metals to composites. Adhesive bonding is the best joining solution for composite …

Guided ultrasonic wave propagation through inaccessible damage in a folded plate using sensor-actuator network

GK Geetha, DR Mahapatra… - Health Monitoring of …, 2013 - spiedigitallibrary.org
Rapid diagnostics and virtual imaging of damages in complex structures like folded plate
can help reduce the inspection time for guided wave based NDE and integrated SHM …