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Ioannis A. Kougioumtzoglou
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Journal Articles

On the Efficacy of Sparse Representation Approaches for Determining Nonlinear Structural System Equations of Motion

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George D. Pasparakis, Vasileios C. Fragkoulis, Ioannis A. Kougioumtzoglou
Journal: ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg
Publisher: ASME
Article Type: Research-Article
ASME J. Risk Uncertainty Part B. September 2025, 11(3): 031207.
Paper No: RISK-24-1086
https://doi.org/10.1115/1.4067356
Published Online: January 23, 2025
View Articletitled, On the Efficacy of Sparse Representation Approaches for Determining Nonlinear Structural System Equations of Motion
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Topics: Equations of motion, Optimization, Energy harvesting, Uncertainty, Dynamics (Mechanics)
Journal Articles

Filter Approximations for Random Vibroacoustics of Rigid Porous Media

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Abhilash Sreekumar, Ioannis A. Kougioumtzoglou, Savvas P. Triantafyllou
Journal: ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg
Publisher: ASME
Article Type: Research-Article
ASME J. Risk Uncertainty Part B. September 2024, 10(3): 031201.
Paper No: RISK-23-1086
https://doi.org/10.1115/1.4064286
Published Online: January 24, 2024
View Articletitled, Filter Approximations for Random Vibroacoustics of Rigid Porous Media
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Topics: Approximation, Excitation, Filters, Frequency response, Porous materials, Statistics, Structural acoustics, Transients (Dynamics), Dynamics (Mechanics), Wave propagation
Journal Articles

A Reduced-Order Wiener Path Integral Formalism for Determining the Stochastic Response of Nonlinear Systems With Fractional Derivative Elements

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Ilias G. Mavromatis, Ioannis A. Kougioumtzoglou
Journal: ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg
Publisher: ASME
Article Type: Research-Article
ASME J. Risk Uncertainty Part B. September 2023, 9(3): 031201.
Paper No: RISK-23-1001
https://doi.org/10.1115/1.4056902
Published Online: March 2, 2023
View Articletitled, A Reduced-Order Wiener Path Integral Formalism for Determining the Stochastic Response of Nonlinear Systems With Fractional Derivative Elements
Open the PDF for A Reduced-Order Wiener Path Integral Formalism for Determining the Stochastic Response of Nonlinear Systems With Fractional Derivative Elements in another window
Topics: Approximation, Boundary-value problems, Nonlinear systems, Path integrals, Dimensions, Optimization, Dampers, Probability
Proceedings Papers

Stochastic Response Determination of U-Oscillating Water Columns in Severe Seas by a Statistical Linearization Scheme

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Andrea Scialò, Giovanni Malara, Ioannis A. Kougioumtzoglou, Felice Arena
Proc. ASME. OMAE2022, Volume 8: Ocean Renewable Energy, V008T09A080, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-81138
https://doi.org/10.1115/OMAE2022-81138
View Paper titled, Stochastic Response Determination of U-Oscillating Water Columns in Severe Seas by a Statistical Linearization Scheme
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Topics: Oscillations, Seas, Water, Excitation, Waves, Statistics, Breakwaters, Construction, Damping, Dynamics (Mechanics)
Journal Articles

Special Section on Response Analysis and Optimization of Dynamic Energy Harvesting Systems in Presence of Uncertainties

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Agathoklis Giaralis, Ioannis A. Kougioumtzoglou, Pol D. Spanos
Journal: ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg
Publisher: ASME
Article Type: Guest Editorial
ASME J. Risk Uncertainty Part B. March 2021, 7(1): 010301.
Paper No: RISK-20-1116
https://doi.org/10.1115/1.4049201
Published Online: January 21, 2021
View Articletitled, Special Section on Response Analysis and Optimization of Dynamic Energy Harvesting Systems in Presence of Uncertainties
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Topics: Energy harvesting, Optimization, Uncertainty
Journal Articles

Stochastic Response Analysis and Reliability-Based Design Optimization of Nonlinear Electromechanical Energy Harvesters With Fractional Derivative Elements

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Ioannis Petromichelakis, Apostolos F. Psaros, Ioannis A. Kougioumtzoglou
Journal: ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg
Publisher: ASME
Article Type: Research-Article
ASME J. Risk Uncertainty Part B. March 2021, 7(1): 010901.
Paper No: RISK-19-1091
https://doi.org/10.1115/1.4049232
Published Online: January 21, 2021
View Articletitled, Stochastic Response Analysis and Reliability-Based Design Optimization of Nonlinear Electromechanical Energy Harvesters With Fractional Derivative Elements
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Topics: Design, Energy harvesting, Failure, Optimization, Probability, Modeling, Path integrals, Reliability-based optimization
Proceedings Papers

Nonlinear Wave Crest Distribution on a Vertical Breakwater

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Valentina Laface, Giovanni Malara, Felice Arena, Ioannis A. Kougioumtzoglou, Alessandra Romolo
Proc. ASME. OMAE2018, Volume 3: Structures, Safety, and Reliability, V003T02A032a, June 17–22, 2018
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2018-77124
https://doi.org/10.1115/OMAE2018-77124
View Paper titled, Nonlinear Wave Crest Distribution on a Vertical Breakwater
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Topics: Algorithms, Breakwaters, Nonlinear waves, Pressure, Pressure transducers, Statistical distributions, Water, Waves
Proceedings Papers

Joint Time-Frequency Analysis of Small Scale Ocean Storms via the Harmonic Wavelet Transform

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Valentina Laface, Felice Arena, Ioannis A. Kougioumtzoglou, Ketson Roberto Maximiano dos Santos
Proc. ASME. OMAE2017, Volume 3A: Structures, Safety and Reliability, V03AT02A046, June 25–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2017-61761
https://doi.org/10.1115/OMAE2017-61761
View Paper titled, Joint Time-Frequency Analysis of Small Scale Ocean Storms via the Harmonic Wavelet Transform
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Topics: Oceans, Storms, Time-frequency analysis, Wavelet transforms, Seas, Buoys, Fast Fourier transforms, Ocean engineering, Significant wave heights, Stochastic processes
Journal Articles

Ice Gouge Depth Determination Via an Efficient Stochastic Dynamics Technique

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Nikolaos Gazis, Ioannis A. Kougioumtzoglou, Edoardo Patelli
Journal: Journal of Offshore Mechanics and Arctic Engineering
Publisher: ASME
Article Type: Research-Article
J. Offshore Mech. Arct. Eng. February 2017, 139(1): 011501.
Paper No: OMAE-15-1102
https://doi.org/10.1115/1.4034372
Published Online: September 20, 2016
View Articletitled, Ice Gouge Depth Determination Via an Efficient Stochastic Dynamics Technique
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Topics: Chisels, Ice, Soil, Path integrals, Uncertainty
Journal Articles

An Efficient Wiener Path Integral Technique Formulation for Stochastic Response Determination of Nonlinear MDOF Systems

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Ioannis A. Kougioumtzoglou, Alberto Di Matteo, Pol D. Spanos, Antonina Pirrotta, Mario Di Paola
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. October 2015, 82(10): 101005.
Paper No: JAM-15-1281
https://doi.org/10.1115/1.4030890
Published Online: July 10, 2015
View Articletitled, An Efficient Wiener Path Integral Technique Formulation for Stochastic Response Determination of Nonlinear MDOF Systems
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Topics: Displacement, Nonlinear systems, Path integrals, Reliability, Polynomials, Boundary-value problems, Dynamics (Mechanics), Probability, Simulation
Journal Articles

Special Issue on Decision Making Under Risk and Uncertainty Using Systems and Control Theory Approach

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Athanasios A. Pantelous, Ioannis A. Kougioumtzoglou
Journal: ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg
Publisher: ASME
Article Type: Editorial
ASME J. Risk Uncertainty Part B. June 2015, 1(2): 020201.
Paper No: RISK-15-1013
https://doi.org/10.1115/1.4029772
Published Online: April 20, 2015
View Articletitled, Special Issue on Decision Making Under Risk and Uncertainty Using Systems and Control Theory Approach
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Topics: Control theory, Decision making, Risk, Uncertainty
Journal Articles

Nonlinear Oscillator Stochastic Response and Survival Probability Determination via the Wiener Path Integral

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Yuanjin Zhang, Ioannis A. Kougioumtzoglou
Journal: ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg
Publisher: ASME
Article Type: Research Papers
ASME J. Risk Uncertainty Part B. June 2015, 1(2): 021005.
Paper No: RISK-14-1047
https://doi.org/10.1115/1.4029754
Published Online: April 20, 2015
View Articletitled, Nonlinear Oscillator Stochastic Response and Survival Probability Determination via the Wiener Path Integral
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Topics: Excitation, Path integrals, Probability, Simulation, White noise, Reliability, Damping, Hardening, Displacement, Stiffness
Journal Articles

Survival Probability Determination of Nonlinear Oscillators Subject to Evolutionary Stochastic Excitation

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Pol D. Spanos, Ioannis A. Kougioumtzoglou
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. May 2014, 81(5): 051016.
Paper No: JAM-13-1477
https://doi.org/10.1115/1.4026182
Published Online: January 15, 2014
View Articletitled, Survival Probability Determination of Nonlinear Oscillators Subject to Evolutionary Stochastic Excitation
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Topics: Excitation, Probability, Reliability, Density