G. Kolappan Geetha,S Sumith, P Angadi, and D. Roy Mahapatra,2023, “Measurementsand estimation of frequency-dependent multi-scale viscoelastic damping properties of materials”,Measurement, 217, Pg. 1-20, ISSN No: 0263-2241 (IF: 5.131). [Link]
G. Kolappan Geetha,Hyunjung Yang, and Sung-Han Sim,2023, “Fast detection of missing thin propagating cracks during deep learning-based concrete crack/non-crack classification”, Sensors, 23(3), Pg. 1-22, ISSN No: 1424-8220 (IF: 3.576). [Link]
G. Kolappan Geetha, Sung-Han Sim, “Fast identification of concrete cracks using 1D deep learning and explainable artificial intelligence-based analysis”, 2022, Automation in Construction, 143(104572). [Link]
G.Kolappan Geetha, Rajendra KumarMunian, D.Roy Mahapatra, Chi-Won In, D A Raulerson, 2022, “Ultrasonic horn contact-induced transient anharmonic resonance effect on vibro-thermography”, Journal of Sound and Vibration, 525, 116786. [Link]
G. Kolappan Geetha, D. Roy Mahapatra, 2020, “Transient Vibro-thermography and non-linear resonant modes”, ASME journal of Vibration and Acoustics, 142(6). [Link]
G. Kolappan Geetha, D. Roy Mahapatra, 2019, “Modeling and simulation of Vibro-thermography including nonlinear contact”, Ultrasonics, 93, 81-92. [Link]
G. Kolappan Geetha, D. Roy Mahapatra, S. Gopalakrishnan, S. Hanagud, 2016, “Laser Doppler imaging of delamination in a composite T-joint with remotely located ultrasonic actuators”, Composite Structures, 147, 197-210. [Link]
Conference Proceedings
G. Kolappan Geetha, and Sung-Han Sim, 08-11 September 2021, “Fast classification of concrete crack and non-crack using computationally efficient 2D images to 1D DFT-CNN”, Asia Pacific Conference of the Prognosis and Health Management Society (PHMAP) , Jeju, South Korea.
A.K. Dube, G. Kolappan Geetha, NB ravi, D Roy Mahapatra, “Laser Doppler ultrasonic inspection technology for coated component: surface preparation strategies”, ADMAT, 2019.
G. Kolappan Geetha, R. K. Munian, AK Singh, D Roy Mahapatra, “Modeling and simulation of vibro-thermography with contact disband”, ADMAT, 2019.
R. K. Munian, G. Kolappan Geetha, D. Roy Mahapatra, S. Gopalakrishnan, “Wave scattering analysis in a delaminated cross-ply laminate due to incident S0 wave”, NDT in Aerospace, 2016.
G. Kolappan Geetha, D. Roy Mahapatra, “Ultrasonic Guided Wave Based Damage Detection Using Low-dimensional Data from Laser Doppler Scan”, IWSHM 2015, 2647-2654.
G. Kolappan Geetha, N.B. Ravi, N. Chakraborty, K.C. Ukirde, G.S. Kamalakar, D. Roy Mahapatra, “Damage Detection Sensitivity, Specificity and Classification Data Analysis for SHM Systems Design, Verification and Validation”, IWSHM 2015, 2295-2301.
G. Kolappan Geetha, D. Roy Mahapatra, S. Gopalakrishnan, “Guided Ultrasonic Wave Propagation through Inaccessible Damage in a Folded Plate using Sensor-Actuator Network”, SPIE 2013, 86951J.
S. Hanagud, R. Zaharieva, G. Kolappan Geetha, D. Roy Mahapatra S. Gopalakrishnan, “Use of a 3D-Laser Doppler Velocimetry and SHM of Delamination in T-Beams”, ISSS 2012.
G. Kolappan Geetha, D. Roy Mahapatra, S. Gopalakrishnan, “Guided Wave based Damage Detection in a Composite T-joint using 3D Scanning Laser Doppler Vibrometer”, SPIE 2012, 83481Q.
G. Kolappan Geetha, D. Roy Mahapatra, S. Gopalakrishnan, “An Investigation on the Guided Wave Energy Modes: Third-Order Plate Theory and 3D Elasticity Approach”, ANCRiSST 2012.
G. Kolappan Geetha, S.R. Hiremath, A. Sinha, J. Nagabhushanam, D. Roy Mahapatra, S. Gopalakrishnan, “Guided Wave Based Damage Diagnostics of Aircraft Engine Blades”, ICCMS 2012.
V. T. Rathod, N. Chakraborty, G. Kolappan Geetha, D. Roy Mahapatra, S. Gopalakrishnan, “Estimation of Elastoplastic Damage Parameters Using Guided Wave Scattering Coeffcient Measurement”, SMiRT 2011, # 747.
G. Kolappan Geetha, V.T. Rathod, N. Chakraborthy, D. Roy Mahapatra, S. Gopalakrishnan, “Rapid Localization and Ultrasonic Imaging of Multiple damages in Structural Panel with Piezoelectric Sensor-actuator Network”, IWSHM 2011, 249-256.
G. Kolappan Geetha, V.T. Rathod, N. Chakraborty, M. Fritzsche, D. Roy Mahapatra, S. Hanagud S. Gopalakrishnan, “3D Laser Doppler Imaging of Lamb Wave Scattering due to Damage in a Flat Plate: An Investigation on the Guided Energy Modes”, SMART 2011.
G. Kolappan Geetha, V.T. Rathod, D. Roy Mahapatra, S. Gopalakrishnan, “Lamb wave based detection of damage in a stiffener bonded to a plate”, SPIE 2011, Vol. 7984.
Dissertation
G. Kolappan Geetha, "Structural health monitoring with laser Doppler imaging of ultrasonic guided waves", 2019, Indian Institute of Science, Bangalore (Doctoral dissertation) .