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Proceedings Papers

Performance Modeling of a Variable-Geometry Oscillating Surge Wave Energy Converter on a Raised Foundation

Cole Burge, Nathan Tom, Krish Thiagarajan, Jacob Davis, Nhu Nguyen

Proc. ASME. OMAE2021, Volume 9: Ocean Renewable Energy, V009T09A010, June 21–30, 2021

Paper No: OMAE2021-62423

DOI: https://doi.org/10.1115/OMAE2021-62423

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Topics: Geometry, Modeling, Oscillations, Surges, Wave energy converters, Pressure, Steel, Wave energy, Additive manufacturing, Concretes

Proceedings Papers

Investigating the Impact of Power-Take-Off System Parameters and Control Law on a Rotational Wave Energy Converter’s Peak-to-Average Power Ratio Reduction

H. Bora Karayaka, Yi-Hsiang Yu, Nathan Tom, Eduard Muljadi

Proc. ASME. OMAE2020, Volume 9: Ocean Renewable Energy, V009T09A029, August 3–7, 2020

Paper No: OMAE2020-18961

DOI: https://doi.org/10.1115/OMAE2020-18961

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Topics: Control algorithms, Engines, Gears, Generators, Geometry, Hardware, Inertia (Mechanics), Mechanical drives, Motors, Resonance

Proceedings Papers

Development and Validation of Passive Yaw in the Open-Source WEC-Sim Code

Dominic D. Forbush, Kelley Ruehl, David Ogden, Jennifer van Rij, Yi-Hsiang Yu, Nathan Tom

Proc. ASME. OMAE2020, Volume 9: Ocean Renewable Energy, V009T09A038, August 3–7, 2020

Paper No: OMAE2020-19255

DOI: https://doi.org/10.1115/OMAE2020-19255

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Topics: Yaw, Excitation, Waves, Computation, Boundary element methods, Displacement, Interpolation, Algorithms, Matlab, Modeling

Proceedings Papers

Numerical Model Development of a Variable-Geometry Attenuator Wave Energy Converter

Davy Pardonner, Nathan Tom, Yi Guo

Proc. ASME. OMAE2020, Volume 9: Ocean Renewable Energy, V009T09A031, August 3–7, 2020

Paper No: OMAE2020-19054

DOI: https://doi.org/10.1115/OMAE2020-19054

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Topics: Computer simulation, Geometry, Wave energy converters, Seas, Cylinders, Design, Energy generation, Steel, Wave energy, Buoyancy

Proceedings Papers

Bichromatic Wave Selection for Validation of the Difference-Frequency Transfer Function for the OC6 Validation Campaign

Nathan Tom, Amy Robertson, Jason Jonkman, Fabian Wendt, Manuela Böhm

Proc. ASME. IOWTC2019, ASME 2019 2nd International Offshore Wind Technical Conference, V001T01A022, November 3–6, 2019

Paper No: IOWTC2019-7572

DOI: https://doi.org/10.1115/IOWTC2019-7572

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Topics: Ocean engineering, Transfer functions, Waves, Wind

Proceedings Papers

The Wave Energy Converter Control Competition: Overview

John Ringwood, Francesco Ferri, Nathan Tom, Kelley Ruehl, Nicols Faedo, Giorgio Bacelli, Yi-Hsiang Yu, Ryan G. Coe

Proc. ASME. OMAE2019, Volume 10: Ocean Renewable Energy, V010T09A035, June 9–14, 2019

Paper No: OMAE2019-95216

DOI: https://doi.org/10.1115/OMAE2019-95216

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Topics: Control systems, Wave energy converters

Proceedings Papers

Numerical Model Development and Validation for the WECCCOMP Control Competition

Nathan Tom, Kelley Ruehl, Francesco Ferri

Proc. ASME. OMAE2018, Volume 10: Ocean Renewable Energy, V010T09A042, June 17–22, 2018

Paper No: OMAE2018-78094

DOI: https://doi.org/10.1115/OMAE2018-78094

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Topics: Computer simulation, Control algorithms, Wave energy converters

Proceedings Papers

Numerical Analysis on Hydraulic Power Take-Off for Wave Energy Converter and Power Smoothing Methods

Yi-Hsiang Yu, Nathan Tom, Dale Jenne

Proc. ASME. OMAE2018, Volume 10: Ocean Renewable Energy, V010T09A043, June 17–22, 2018

Paper No: OMAE2018-78176

DOI: https://doi.org/10.1115/OMAE2018-78176

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Topics: Numerical analysis, Smoothing methods, Wave energy converters, Stress, Batteries, Design, Energy storage, Hydrodynamics, Power grids, Pressure

Proceedings Papers

Modeling of a Permanent Magnet Linear Generator for Wave-Energy Conversion

Nathan Tom, Daewoong Son, Valentin Belissen, Ronald W. Yeung

Proc. ASME. OMAE2015, Volume 9: Ocean Renewable Energy, V009T09A024, May 31–June 5, 2015

Paper No: OMAE2015-42370

DOI: https://doi.org/10.1115/OMAE2015-42370

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Topics: Generators, Modeling, Permanent magnets, Wave energy, Damping, Circuits, Construction, Electromotive force, Energy conversion, Equations of motion

Proceedings Papers

Demonstration of the Recent Additions in Modeling Capabilities for the WEC-Sim Wave Energy Converter Design Tool

Nathan Tom, Michael Lawson, Yi-Hsiang Yu

Proc. ASME. OMAE2015, Volume 9: Ocean Renewable Energy, V009T09A035, May 31–June 5, 2015

Paper No: OMAE2015-42265

DOI: https://doi.org/10.1115/OMAE2015-42265

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Topics: Design, Modeling, Wave energy converters, Approximation, Boundary element methods, Damping, Floating bodies, Fluids, Inertia (Mechanics), Matlab

Proceedings Papers

A Comparison of Time Domain Methods for Asymmetric Roll Predictions

Robert Seah, Fabien Bigot, Nathan Tom, Dominique Roddier

Proc. ASME. OMAE2014, Volume 7: Ocean Space Utilization; Professor Emeritus J. Randolph Paulling Honoring Symposium on Ocean Technology, V007T12A009, June 8–13, 2014

Paper No: OMAE2014-23563

DOI: https://doi.org/10.1115/OMAE2014-23563

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Topics: Calibration, Damping, Design, Drag (Fluid dynamics), Dynamics (Mechanics), Engineering simulation, Hull, Hydrodynamics, Keel, Mooring

Proceedings Papers

Confirmation of a Nonlinear Model Predictive Control Strategy Applied to a Permanent Magnet Linear Generator for Wave-Energy Conversion

Nathan Tom

Proc. ASME. OMAE2014, Volume 9B: Ocean Renewable Energy, V09BT09A057, June 8–13, 2014

Paper No: OMAE2014-24711

DOI: https://doi.org/10.1115/OMAE2014-24711

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Topics: Generators, Permanent magnets, Predictive control, Wave energy, Waves, Damping, Electricity (Physics), Engineering simulation, Equations of motion, Floating bodies

Journal Articles

Nonlinear Model Predictive Control Applied to a Generic Ocean-Wave Energy Extractor

Nathan Tom, Ronald W. Yeung

J. Offshore Mech. Arct. Eng. November 2014, 136(4): 041901.

Paper No: OMAE-13-1027

DOI: https://doi.org/10.1115/1.4027651

Published Online: July 31, 2014

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Topics: Damping, Waves, Control equipment, Generators, Predictive control

Proceedings Papers

Estimation of Onsite Wave Parameters From the WindFloat Platform

Antoine Peiffer, Nathan Tom, Christian Cermelli, Dominique Roddier

Proc. ASME. OMAE2013, Volume 1: Offshore Technology, V001T01A001, June 9–14, 2013

Paper No: OMAE2013-10002

DOI: https://doi.org/10.1115/OMAE2013-10002

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Topics: Instrumentation, Waves

Proceedings Papers

Non-Linear Model Predictive Control Applied to a Generic Ocean-Wave Energy Extractor

Nathan Tom, Ronald W. Yeung

Proc. ASME. OMAE2013, Volume 8: Ocean Renewable Energy, V008T09A078, June 9–14, 2013

Paper No: OMAE2013-11247

DOI: https://doi.org/10.1115/OMAE2013-11247

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Topics: Ocean waves, Predictive control, Waves, Generators, Absorption, Control equipment, Damping, Optimization, Resonance, Wave energy

Proceedings Papers

VIM Testing of a Paired Column Semi Submersible

Jun Zou, Philip Poll, Dominique Roddier, Nathan Tom, Antoine Peiffer

Proc. ASME. OMAE2013, Volume 7: CFD and VIV, V007T08A001, June 9–14, 2013

Paper No: OMAE2013-10001

DOI: https://doi.org/10.1115/OMAE2013-10001

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Topics: Semi-submersible offshore structures, Testing

Journal Articles

Performance Enhancements and Validations of a Generic Ocean-Wave Energy Extractor

Nathan Tom, Ronald W. Yeung

J. Offshore Mech. Arct. Eng. November 2013, 135(4): 041101.

Paper No: OMAE-12-1040

DOI: https://doi.org/10.1115/1.4024150

Published Online: September 4, 2013

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Topics: Cylinders, Damping, Design, Generators, Magnets, Rotors, Shapes, Stators, Steel, Waves

Proceedings Papers

Analysis of Roll Motion due to Asymmetric Bilge Keels

Nathan Tom, Robert Seah, Dominique Roddier

Proc. ASME. OMAE2012, Volume 4: Offshore Geotechnics; Ronald W. Yeung Honoring Symposium on Offshore and Ship Hydrodynamics, 657-668, July 1–6, 2012

Paper No: OMAE2012-83650

DOI: https://doi.org/10.1115/OMAE2012-83650

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Topics: Keel

Proceedings Papers

Performance Enhancements and Validations of the UC-Berkeley Ocean-Wave Energy Extractor

Nathan Tom, Ronald W. Yeung

Proc. ASME. OMAE2012, Volume 4: Offshore Geotechnics; Ronald W. Yeung Honoring Symposium on Offshore and Ship Hydrodynamics, 691-702, July 1–6, 2012

Paper No: OMAE2012-83736

DOI: https://doi.org/10.1115/OMAE2012-83736

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Topics: Ocean waves, Generators, Damping, Design, Magnets, Manufacturing, Permanent magnets, Rotors, Stators, Testing

Journal Articles

Design, Analysis, and Evaluation of the UC-Berkeley Wave-Energy Extractor

Ronald W. Yeung, Antoine Peiffer, Nathan Tom, Tomasz Matlak

J. Offshore Mech. Arct. Eng. May 2012, 134(2): 021902.

DOI: https://doi.org/10.1115/1.4004518

Published Online: December 6, 2011

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Topics: Design, Generators, Waves, Wave energy, Rotors, Hydrodynamics, Stators, Ocean waves

Journal citation

NARROW

Performance Modeling of a Variable-Geometry Oscillating Surge Wave Energy Converter on a Raised Foundation

Investigating the Impact of Power-Take-Off System Parameters and Control Law on a Rotational Wave Energy Converter’s Peak-to-Average Power Ratio Reduction

Development and Validation of Passive Yaw in the Open-Source WEC-Sim Code

Numerical Model Development of a Variable-Geometry Attenuator Wave Energy Converter

Bichromatic Wave Selection for Validation of the Difference-Frequency Transfer Function for the OC6 Validation Campaign

The Wave Energy Converter Control Competition: Overview

Numerical Model Development and Validation for the WECCCOMP Control Competition

Numerical Analysis on Hydraulic Power Take-Off for Wave Energy Converter and Power Smoothing Methods

Modeling of a Permanent Magnet Linear Generator for Wave-Energy Conversion

Demonstration of the Recent Additions in Modeling Capabilities for the WEC-Sim Wave Energy Converter Design Tool

A Comparison of Time Domain Methods for Asymmetric Roll Predictions

Confirmation of a Nonlinear Model Predictive Control Strategy Applied to a Permanent Magnet Linear Generator for Wave-Energy Conversion

Nonlinear Model Predictive Control Applied to a Generic Ocean-Wave Energy Extractor

Estimation of Onsite Wave Parameters From the WindFloat Platform

Non-Linear Model Predictive Control Applied to a Generic Ocean-Wave Energy Extractor

VIM Testing of a Paired Column Semi Submersible

Performance Enhancements and Validations of a Generic Ocean-Wave Energy Extractor

Analysis of Roll Motion due to Asymmetric Bilge Keels

Performance Enhancements and Validations of the UC-Berkeley Ocean-Wave Energy Extractor

Design, Analysis, and Evaluation of the UC-Berkeley Wave-Energy Extractor

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