Explanipedia

Quantifying tropical-cyclone-generated waves in extreme-value-derived design for offshore wind Open

Sarah McElman, Amrit Shankar Verma, Andrew J. Goupee · 2025

Wave extreme values, such as significant wave height, peak period, and crest height, are central to design and operation practices for offshore wind structures. However, the most suitable methods for deriving these extremes, both statistic…

Quantifying Tropical Cyclone-Generated Waves in Extreme-Value-Derived Design for Offshore Wind Open

Sarah McElman, Amrit Shankar Verma, Andrew J. Goupee · 2024

Wave extreme values, such as significant wave height, peak period, and crest height, are central to design and operation practices for offshore wind structures. However, the most suitable methods for deriving these extremes, both statistic…

Optimized Floating Offshore Wind Turbine Substructure Design Trends for 10–30 MW Turbines in Low-, Medium-, and High-Severity Wave Environments Open

Joseph Habib Dagher, Andrew J. Goupee, Anthony Viselli · 2024

Floating offshore wind is a promising renewable energy source, as 60% of the wind resources globally are found at depths requiring floating technologies, it minimizes construction at sea, and provides opportunities for industrialization gi…

Teaching models for Senior Design courses. a Case Study Open

Wilhelm A. Friess, Justin Lapp, Andrew J. Goupee · 2024

Over the past five years, a number of teaching configurations have been used at the University of Maine Mechanical Engineering Senior capstone two-course sequence in response to faculty turnover and a 40% growth in student numbers. The pro…

Experimental investigation of advanced turbine control strategies and load-mitigation measures with a model-scale floating offshore wind turbine system Open

Lu Wang, Roger Bergua, Amy Robertson, Alan Wright, Daniel Zalkind , et al. · 2023

A Case Study on the Administrative Impacts of Different Engineering Capstone Teaching Modalities Open

Justin Lapp, Andrew J. Goupee, Wilhelm A. Friess · 2023

The capstone experience in engineering curriculums is a critical component focused on the unification of several years of student learning, but its unique nature can present challenges to engineering departments in faculty assignment and e…

Comparison of Extreme Wind and Waves Using Different Statistical Methods in 40 Offshore Wind Energy Lease Areas Worldwide Open

Saravanan Bhaskaran, Amrit Shankar Verma, Andrew J. Goupee, Subhamoy Bhattacharya, Amir R. Nejad , et al. · 2023

With the ongoing global drive towards renewable energy, several potential offshore wind energy lease areas worldwide have come into focus. This study aims to estimate the extreme wind and wave conditions across several newly designated off…

Wind/Wave Testing of a 1:70-Scale Performance-Matched Model of the IEA Wind 15 MW Reference Wind Turbine with Real-Time ROSCO Control and Floating Feedback Open

Matthew Fowler, Eben Lenfest, Anthony Viselli, Andrew J. Goupee, Richard Kimball , et al. · 2023

Experimental results from the Floating Offshore-wind and Controls Advanced Laboratory (FOCAL) experimental program, which tested a performance-matched model of the IEA Wind 15 MW Reference Turbine on a 1:70 scale floating semisubmersible p…

1:70-Scale Model Testing of the Reference OpenSource Controller (ROSCO) on the IEA-Wind 15MW Reference Wind Turbine Including Floating Feedback: Preprint Open

Matthew L. Fowler, Eben Lenfest, Anthony Viselli, Andrew J. Goupee, Richard Kimball , et al. · 2023

This paper presents results from the Floating Offshore-wind Controls Advanced Laboratory (FOCAL) Experimental campaign performed at the University of Maine's (UMaine's) Harold Alfond Wind/Wave Ocean Engineering Laboratory (W2). The project…

Verification and Validation of Model-Scale Turbine Performance and Control Strategies for the IEA Wind 15 MW Reference Wind Turbine Open

Nicole Mendoza, Amy Robertson, Alan Wright, Jason Jonkman, Lu Wang , et al. · 2022

To enable the fast growth of the floating offshore wind industry, simulation models must be validated with experimental data. Floating wind model-scale experiments in wind–wave facilities have been performed over the last two decades with …

Optimization of a Lightweight Floating Offshore Wind Turbine with Water Ballast Motion Mitigation Technology Open

William Ramsay, Andrew J. Goupee, Christopher Allen, Anthony Viselli, Richard Kimball · 2022

Floating offshore wind turbines are a promising technology for addressing energy needs by utilizing wind resources offshore. The current state of the art is based on heavy, expensive platforms to survive the ocean environment. Typical desi…

Results from the FOCAL experiment campaign 1: turbine control co-design Open

Richard Kimball, Amy Robertson, Matthew Fowler, Nicole Mendoza, Alan Wright , et al. · 2022

This paper summarizes the scaling approach and results from the first experimental campaign of the Floating Offshore-wind and Controls Advanced Laboratory (FOCAL) Experimental Program, which is focused on developing public data sets to sup…

Development of a Multi-Objective Optimization Tool for Screening Designs of Taut Synthetic Mooring Systems to Minimize Mooring Component Cost and Footprint Open

William West, Andrew J. Goupee, Spencer T. Hallowell, Anthony Viselli · 2021

As the offshore wind industry develops, more lease sites in the intermediate water depth (50–85 m) are being released to developers. In these water depths floating wind turbines with chain catenary systems and fixed-bottom turbines with ja…

Design, Construction and Evaluation of an Oscillating Vane Gust Generator for Atmospheric Flow Simulation Open

Aaron R French, Wilhelm A. Friess, Andrew J. Goupee, Keith A. Berube · 2021

The study of unsteady aerodynamic phenomena in wind tunnels is supported by gust-generating devices capable of generating adjustable magnitude and periodicity velocity fluctuations in a flowfield. Gusts are typically generated actively by …

Tuning of Nacelle Feedback Gains for Floating Wind Turbine Controllers Using a Two-DOF Model Open

Eben Lenfest, Andrew J. Goupee, Alan Wright, Nikhar Abbas · 2020

Designing a collective blade pitch controller for floating offshore wind turbines (FOWTs) poses unique challenges due to the interaction of the controller with the dynamics of the platform. The controller must also handle the competing obj…

Definition of the UMaine VolturnUS-S Reference Platform Developed for the IEA Wind 15-Megawatt Offshore Reference Wind Turbine Open

Christopher Allen, Anthony Viscelli, Habib J. Dagher, Andrew J. Goupee, Evan Gaertner , et al. · 2020

The following report defines the UMaine VolturnUS-S reference floating offshore wind turbine (FOWT) semi-submersible designed to support the IEA-15-240-RWT 15-megawatt (MW) reference turbine. The semi-submersible is a generic steel version…

The Influence of Synthetic Mooring Line Stiffness Model Type on Global Floating Offshore Wind Turbine Performance Open

William West, Andrew J. Goupee, Anthony Viselli, Habib J. Dagher · 2020

Floating offshore wind turbines (FOWTs) over the past decade have been targeted as a solution to reducing dependence on fossil fuel. At this point the hulls of FOWTs have been a huge point of emphasis for the research community. FOWT moori…

Influence of the Mass and Line Stiffiness on the Dynamic Line Tension of a Floating Offshore Wind Turbine Stabilized by a Suspended Counterweight Open

Jacob C. Ward, Andrew J. Goupee, Anthony Viselli, Habib J. Dagher · 2020

As the offshore wind industry moves towards deeper waters, developers are adapting classical floating platform designs to optimize performance and cost. One such concept is a multi-body system consisting of a counterweight suspended from a…

Design Studies for Deep-Water Floating Offshore Vertical Axis Wind Turbines Open

D. Todd Griffith, Matthew Barone, Joshua Paquette, Brian Owens, Diana Bull , et al. · 2018

Deep-water offshore sites are an untapped opportunity to bring large-scale offshore wind energy to coastal population centers. The primary challenge has been the projected high costs for floating offshore wind systems. This work presents a…

Development of performance specifications for hybrid modeling of floating wind turbines in wave basin tests Open

Matthew Hall, Andrew J. Goupee, Jason Jonkman · 2017

1:50 Scale Testing of Three Floating Wind Turbines at MARIN and Numerical Model Validation Against Test Data Open

Habib J. Dagher, Anthony Viselli, Andrew J. Goupee, Christopher Allen · 2017

The primary goal of the basin model test program discussed herein is to properly scale and accurately capture physical data of the rigid body motions, accelerations and loads for different floating wind turbine platform technologies. The i…

The VolturnUS 1:8 Floating Wind Turbine: Design, Construction, Deployment, Testing, Retrieval, and Inspection of the First Grid-Connected Offshore Wind Turbine in US Open

Habib J. Dagher, Anthony Viselli, Andrew J. Goupee, Richard Kimball, Christopher Allen · 2017

Volume II of the Final Report for the DeepCwind Consortium National Research Program funded by US Department of Energy Award Number: DE-EE0003278.001 summarizes the design, construction, deployment, testing, numerical model validation, ret…

1:52 Scale Testing of the First US Commercial Scale Floating Wind Turbine, VolturnUS: Testing Overview and the Evolution of Scale Model Testing Methods Open

Matthew Fowler, Andrew J. Goupee, Christopher Allen, Anthony Viselli, Habib J. Dagher · 2017

Over the past 6 years, the University of Maine (UMaine) has been an active contributor in research and scale-model testing of floating offshore wind turbines (FOWTs). This paper serves to share the evolution of UMaine’s scale-model testing…

Experimental Verification of ABS Concrete Design Methodology Applied to the Design of the First Commercial Scale Floating Offshore Wind Turbine in the United States Open

Mark G. Dwyer, Anthony Viselli, Habib J. Dagher, Andrew J. Goupee · 2017

The abundance of consistent high strength winds off the world’s coastlines and the close proximity to dense population centers has led to development of innovative marine structures to support wind turbines to capture this energy resource.…

Experimental Validation of a Spectral-Based Structural Analysis Model Implemented in the Design of the VolturnUS 6MW Floating Offshore Wind Turbine Open

Christopher Allen, Andrew J. Goupee, Anthony Viselli, Habib J. Dagher · 2017

Methodology for optimizing composite towers for use on floating wind turbines Open

Andrew C. Young, Andrew J. Goupee, Habib J. Dagher, Anthony Viselli · 2017

A methodology for the design and optimization of a composite wind turbine tower for use on a floating offshore platform is presented. A composite turbine tower on a floating offshore platform not only has the potential to reduce maintenanc…

Experimental observations of active blade pitch and generator control influence on floating wind turbine response Open

Andrew J. Goupee, Richard Kimball, Habib J. Dagher · 2016

Hydrodynamic Module Coupling in the Offshore Wind Energy Simulation (OWENS) Toolkit. Open

Diana Bull, Brian Owens, Daniel A. Griffith, Matthew Fowler, Andrew J. Goupee , et al. · 2016

A study of rotor and platform design trade-offs for large-scale floating vertical axis wind turbines Open

D. Todd Griffith, Joshua Paquette, Matthew Barone, Andrew J. Goupee, Matthew Fowler , et al. · 2016

Vertical axis wind turbines are receiving significant attention for offshore siting. In general, offshore wind offers proximity to large populations centers, a vast & more consistent wind resource, and a scale-up opportunity, to name a few…

Validation of a lumped-mass mooring line model with DeepCwind semisubmersible model test data Open

Matthew Hall, Andrew J. Goupee · 2015

Andrew J. Goupee YOU? Author Swipe