Dynamic Response Analysis of a Semi-Submersible Floating Wind Turbine in Combined Wave and Current Conditions Using Advanced Hydrodynamic Models

Ishihara, Takeshi; Liu, Yuliang

doi:10.3390/en13215820

Cited by 18 publications

(9 citation statements)

References 19 publications

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“…Advanced Spar [13] and Sea Twirl [14], which are also well-known, are developed by JMU and Sea Twirl, respectively, and are both made of steel. Stiesdal Tetra Spar [15] and Fukushima Forward [16,17] are other worth mentioning spar concepts. They are developed by Stiesdal and JMU, respectively, and are both made of steel.…”

Section: World's Spar-buoy Floating Wind Conceptsmentioning

confidence: 99%

A Review of Perspectives on Developing Floating Wind Farms

Maktabi,

Rusu

2024

Inventions

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Floating wind is becoming an essential part of renewable energy, and so highlighting perspectives of developing floating wind platforms is very important. In this paper, we focus on floating wind concepts and projects around the world, which will show the reader what is going on with the projects globally, and will also provide insight into the concepts and their corresponding related aspects. The main aim of this work is to classify floating wind concepts in terms of their number and manufacturing material, and to classify the floating wind projects in terms of their power capacity, their number, character (if they are installed or planned) and the corresponding continents and countries where they are based. We will classify the corresponding additional available data that corresponds to some of these projects, with reference to their costs, wind speeds, water depths, and distances to shore. In addition, the floating wind global situation and its corresponding aspects of relevance will be also covered in detail throughout the paper.

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Section: World's Spar-buoy Floating Wind Conceptsmentioning

confidence: 99%

A Review of Perspectives on Developing Floating Wind Farms

Maktabi,

Rusu

2024

Inventions

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“…where ∆t is the time increment, and α and β are the integration constants. Using the two formulas in Equation (10) we can obtain that:…”

Section: Iteration Scheme During Dynamic Responsementioning

confidence: 99%

“…Tanaka [9] simulated the dynamic responses of a 2-MW spar-type wind turbine under the extreme environment and compared them with measured motions. Ishihara [10] proposed an advanced hydrodynamic model to predict the dynamic response of a semi-submersible floating offshore wind turbine in wave and current conditions and validated the results with full-scale platforms experiments. Ferri [11] presented an approach to optimize a platform configuration able to most efficiently contrast the combined wind-wave actions for a 10 MW wind turbine.…”

Section: Introductionmentioning

confidence: 99%

Impacts of Mooring-Lines Hysteresis on Dynamic Response of Spar Floating Wind Turbine

Chen

Guo

et al. 2021

Energies

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Floating wind turbines often experience larger-amplitude motions caused by wind and ocean wave loads, while mooring-lines, such as catenary and taut mooring-lines, make the structure configurations along with an analysis of the global response more complicated compared to a fixed support foundation. Moreover, the restoring performance of dynamic mooring-lines exhibits a significant hysteresis behavior, and this hysteresis behavior may have profound impacts on the structural response of floating wind turbines under environmental loads. In this study, using the coupled finite element method, a dynamic simulation model is developed to study the motion responses of a spar floating wind turbine under consideration of mooring-lines hysteresis. In order to consider large-amplitude motion and nonlinear behaviors of catenary mooring-lines, a FEM (finite element method) model is developed based on a combination of 3D nonlinear beam elements and the super-element approach, and the interaction between mooring-lines and seabed is also included. Using our FEM numerical simulations, firstly, the restoring performance of mooring-lines and its hysteresis behavior are studied. Then, the motion responses, e.g., the displacements of the spar float undergoing various wave loads, are examined. The numerical results show that: the restoring stiffness of mooring-lines exhibits significant hysteresis behavior, and the restoring force is directionally dependent. Due to the hysteresis of restoring performance, for a case of regular wave conditions, little change of the spar surge in a steady-state is seen; however, for a case of extreme wave loads, the motion response gets about 14.4% smaller, compared with the quasi-static cases.

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“…Numerous reviews have been undertaken to examine the design challenges pertaining to FOWTs [8][9][10][11][12][13][14][15][16][17][18]. The semi-submersible FOWTs [13,19,20], which are the primary focus of this paper, offer a robust, flexible, and cost-effective option for the offshore wind industry. They have the potential to be installed in locations that allow for stronger and more consistent wind power in large ocean areas with water depths of 100 m or more, making it easier to deploy wind turbines with longer blades [21,22].…”

Section: Introduction 1background Of Fowtmentioning

confidence: 99%

Inspection of Floating Offshore Wind Turbines Using Multi-Rotor Unmanned Aerial Vehicles: Literature Review and Trends

Zhang,

Pakrashi,

Murphy

et al. 2024

Sensors

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Operations and maintenance (O&M) of floating offshore wind turbines (FOWTs) require regular inspection activities to predict, detect, and troubleshoot faults at high altitudes and in harsh environments such as strong winds, waves, and tides. Their costs typically account for more than 30% of the lifetime cost due to high labor costs and long downtime. Different inspection methods, including manual inspection, permanent sensors, climbing robots, remotely operated vehicles (ROVs), and unmanned aerial vehicles (UAVs), can be employed to fulfill O&M missions. The UAVs, as an enabling technology, can deal with time and space constraints easily and complete tasks in a cost-effective and efficient manner, which have been widely used in different industries in recent years. This study provides valuable insights into the existing applications of UAVs in FOWT inspection, highlighting their potential to reduce the inspection cost and thereby reduce the cost of energy production. The article introduces the rationale for applying UAVs to FOWT inspection and examines the current technical status, research gaps, and future directions in this field by conducting a comprehensive literature review over the past 10 years. This paper will also include a review of UAVs’ applications in other infrastructure inspections, such as onshore wind turbines, bridges, power lines, solar power plants, and offshore oil and gas fields, since FOWTs are still in the early stages of development. Finally, the trends of UAV technology and its application in FOWTs inspection are discussed, leading to our future research direction.

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Dynamic Response Analysis of a Semi-Submersible Floating Wind Turbine in Combined Wave and Current Conditions Using Advanced Hydrodynamic Models

Cited by 18 publications

References 19 publications

A Review of Perspectives on Developing Floating Wind Farms

A Review of Perspectives on Developing Floating Wind Farms

Impacts of Mooring-Lines Hysteresis on Dynamic Response of Spar Floating Wind Turbine

Inspection of Floating Offshore Wind Turbines Using Multi-Rotor Unmanned Aerial Vehicles: Literature Review and Trends

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