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Journal Articles

Impact of Sources of Damping on the Fragility Estimates of Wind Turbine Towers

Shubham Baisthakur, Vikram Pakrashi, Subhamoy Bhattacharya, Breiffni Fitzgerald

Publisher: ASME

ASME J. Risk Uncertainty Part B. December 2024, 10(4): 041202.

Paper No: RISK-23-1048

https://doi.org/10.1115/1.4064766

Published Online: May 28, 2024

View Article titled, Impact of Sources of Damping on the Fragility Estimates of Wind Turbine Towers

Topics: Damping, Wind turbines, Displacement, Computer simulation

Journal Articles

Variability of Kinetic Response Estimates of Froude Scaled DeepCwind Semisubmersible Platforms Subjected to Wave Loading

Agro Wisudawan, Vesna Jaksic, Vikram Pakrashi, Jimmy Murphy

Publisher: ASME

J. Offshore Mech. Arct. Eng. April 2024, 146(2): 022002.

Paper No: OMAE-23-1013

https://doi.org/10.1115/1.4063180

Published Online: October 5, 2023

View Article titled, Variability of Kinetic Response Estimates of Froude Scaled DeepCwind Semisubmersible Platforms Subjected to Wave Loading

Topics: Mooring, Semi-submersible offshore structures, Tension, Waves, Modeling

Journal Articles

Special Section on Risk and Uncertainties in Offshore Wind and Wave Energy Systems

Vikram Pakrashi, Jimmy Murphy, Budhaditya Hazra

Publisher: ASME

ASME J. Risk Uncertainty Part B. December 2021, 7(4): 040301.

Paper No: RISK-21-1067

https://doi.org/10.1115/1.4052359

Published Online: September 24, 2021

View Article titled, Special Section on Risk and Uncertainties in Offshore Wind and Wave Energy Systems

Topics: Ocean engineering, Risk, Uncertainty, Wave energy, Wind

Journal Articles

Comparison of Response Amplitude Operator Curve Generation Methods for Scaled Floating Renewable Energy Platforms in Ocean Wave Basin

Deirdre O’Donnell, Jimmy Murphy, Vikram Pakrashi

Publisher: ASME

Letters Dyn. Sys. Control. April 2021, 1(2): 021012.

Paper No: ALDSC-20-1011

https://doi.org/10.1115/1.4049169

Published Online: December 16, 2020

View Article titled, Comparison of Response Amplitude Operator Curve Generation Methods for Scaled Floating Renewable Energy Platforms in Ocean Wave Basin

Topics: Ocean waves, Renewable energy, Semi-submersible offshore structures, Spar platforms, Spectra (Spectroscopy), Waves, Testing, Spectral energy distribution, Design

Journal Articles

Higher-Order Stabilized Perturbation for Recursive Eigen-Decomposition Estimation

Paul Mucchielli, Basuraj Bhowmik, Budhaditya Hazra, Vikram Pakrashi

Publisher: ASME

J. Vib. Acoust. December 2020, 142(6): 061010.

Paper No: VIB-19-1417

https://doi.org/10.1115/1.4047302

Published Online: June 11, 2020

View Article titled, Higher-Order Stabilized Perturbation for Recursive Eigen-Decomposition Estimation

Topics: Algorithms, Eigenvalues, Structural health monitoring, Perturbation theory, Degrees of freedom, Errors, Separation (Technology), Vibration, Simulation, Robustness

Journal Articles

First-Order Eigen-Perturbation Techniques for Real-Time Damage Detection of Vibrating Systems: Theory and Applications

Basuraj Bhowmik, Tapas Tripura, Budhaditya Hazra, Vikram Pakrashi

Publisher: ASME

Appl. Mech. Rev. November 2019, 71(6): 060801.

Paper No: AMR-18-1078

https://doi.org/10.1115/1.4044287

Published Online: September 19, 2019

View Article titled, First-Order Eigen-Perturbation Techniques for Real-Time Damage Detection of Vibrating Systems: Theory and Applications

Topics: Algorithms, Damage

Proceedings Papers

Employing Surface Roughness for Bridge-Vehicle Interaction Based Damage Detection

Vesna Jaksic, Vikram Pakrashi, Alan O’Connor

Proc. ASME. IMECE2011, Volume 9: Transportation Systems; Safety Engineering, Risk Analysis and Reliability Methods; Applied Stochastic Optimization, Uncertainty and Probability, 785-793, November 11–17, 2011

Publisher: American Society of Mechanical Engineers

Paper No: IMECE2011-64744

https://doi.org/10.1115/IMECE2011-64744

View Paper titled, Employing Surface Roughness for Bridge-Vehicle Interaction Based Damage Detection

Topics: Bridges (Structures), Damage, Surface roughness, Vehicles, Stress, Fracture (Materials), Calibration, Stiffness, Structural health monitoring, Nonlinear systems

Journal Articles

A Statistical Measure for Wavelet Based Singularity Detection

Vikram Pakrashi, Biswajit Basu, Alan O’ Connor

Publisher: ASME

J. Vib. Acoust. August 2009, 131(4): 041015.

https://doi.org/10.1115/1.3142880

Published Online: July 14, 2009

View Article titled, A Statistical Measure for Wavelet Based Singularity Detection

Topics: Calibration, Fracture (Materials), Wavelets, Damage, Noise (Sound)