Wave Energy Converter Mooring System

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Coastal Engineering".

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 1219

Special Issue Editors

School of Ocean Engineering and Technology, Sun Yat-Sen University, Zhuhai 519000, China
Interests: fluid and structure interaction; mooring analysis; reliability engineering; offshore renewables; hydrodynamics; flow-induced vibration; health monitoring

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Guest Editor
Institute of Ocean Engineering and Technology, Ocean College, Zhejiang University, Zhoushan 316021, China
Interests: ocean renewable energy utilization; hydrodynamics, hydraulic transmission and automatic control; condition monitoring and fault diagnosis
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Guest Editor
School of Ocean Engineering and Technology, Sun Yat-Sen University, Zhuhai 519000, China
Interests: offshore renewable energy; hydrodynamics; computational fluid dynamics; mooring analysis; offshore platform

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Guest Editor
School of Ocean Engineering and Technology, Sun Yat-Sen University, Zhuhai 519000, China
Interests: renewable energy; machine learning; soil‒structure interaction; structure monitoring; structure dynamic

Special Issue Information

Dear Colleagues,

In the pursuit of meeting the world's energy demands, a multitude of research endeavors have been devoted to exploring floating wave energy converters. Ascertaining the optimal position of these floating devices is predominantly determined by the mooring system used. Given the diverse forms and natures of wave energy converters, their respective mooring systems must be designed to address specific requirements.

Designing an appropriate mooring system for wave energy converters is crucial in achieving optimal performance, stability, and reliability. This Special Issue underscores the following topics: nonlinear problems in wave energy mooring systems and the corresponding mathematical models; efficient arrangement of mooring lines to improve safety, save space, and reduce costs; designing mooring systems specifically for wave energy converters in shallow waters; development of novel mooring systems that cater to the unique requirements of varying wave energy converters; the coupling effect in mooring systems; health monitoring of mooring systems; reliability and risk associated with mooring systems; smart maintenance strategy of mooring systems; and other theoretical, experimental, or numerical research pertaining to mooring systems for wave energy converters.

Through these investigations, we aspire to further promote the development of efficient and reliable floating wave energy technologies.

Dr. Wenchi Ni
Dr. Dahai Zhang
Dr. Yong Ma
Dr. Liangbin Xu
Guest Editors

Manuscript Submission Information

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Keywords

  • single-point mooring
  • multi-point mooring
  • elastic mooring
  • shared mooring
  • coupling effect
  • health monitoring
  • mooring system optimization
  • hydrodynamic analysis
  • mathematical modeling
  • model experiment
  • numerical simulation

Published Papers (1 paper)

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Research

23 pages, 5182 KiB  
Article
Incorporating Mooring Dynamics into the Control Design of a Two-Body Wave Energy Converter
by Spencer Funk, Ali Shahbaz Haider, Kush Bubbar and Brad Buckham
J. Mar. Sci. Eng. 2023, 11(12), 2347; https://doi.org/10.3390/jmse11122347 - 12 Dec 2023
Viewed by 893
Abstract
Mooring systems are a critical component of all floating wave energy converter (WEC) systems, yet the impact of amooring system on the WEC dynamics is often neglected during the initial assessment of candidate designs. The purpose of this study was to investigate how [...] Read more.
Mooring systems are a critical component of all floating wave energy converter (WEC) systems, yet the impact of amooring system on the WEC dynamics is often neglected during the initial assessment of candidate designs. The purpose of this study was to investigate how the inclusion of mooring dynamics in the early stages of the WEC design process influences decisions regarding hydrodynamic features and control strategies. The study was executed within a mechanical circuit framework to represent the WEC response in the frequency domain. Thevenin’s theorem was applied within this framework to transform a multi-body WEC into a single-body canonical form. This work specifically focused on self-reacting point absorbers and examined how four realistic mooring designs impact WEC intrinsic mechanical impedance across a range of common wave frequencies. We show how the mooring can easily be included in this framework, and a simple approach to identifying the mooring model parameters is described. It was observed that if mooring dynamics are considered within the WEC control design process, a 40% reduction in the required range of the controller physical variable can be achieved while yielding up to 16% more useful power. These results suggest that considering the mooring system early can enhance WEC design. Full article
(This article belongs to the Special Issue Wave Energy Converter Mooring System)
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