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Hydrodynamic Performance Optimization of Trimaran Vessels for Offshore Wind Operations and Maintenance

Objective

Due to rapid global development of offshore wind, challenges of ensuring high efficiency in operations and maintenance (O&M) for offshore wind turbines become prominent in reducing the levelized cost of energy. Trimaran vessels, known for their high-performance characteristics including exceptional speed, seakeeping and spacious deck areas, give advantages in performing the O&M activities effectively. Current research on the hydrodynamic performance of the trimarans primarily focuses on conventional applications without considering their practical utility related to offshore wind O&M activities. When the trimarans approaching the wind turbine substructures, unique hydrodynamic characteristics of the vessels needs to be understood to enhance the efficiency and effectiveness of the maintenance operations. To date, for offshore wind O&M applications, there is no existing detailed hydrodynamic study concerning the optimization of the outrigger layout for the trimarans. Thus, a computationally efficient hydrodynamic optimization method based on Harmonic Polynomial Cell (HPC) method will be developed in this project. The developed method will then be validated against Computational Fluid Dynamic (CFD) simulations. By utilizing Nondominated Sorting Genetic Algorithm II (NSGA-II) as a multi-objective optimization algorithm in conjunction with Back Propagation (BP) Neural Network, an outrigger layout optimization method will be tailored for the trimaran O&M vessels under different operational conditions. During the fellowship, I will employ interdisciplinary approaches for my studies, such as the applications of the HPC method in calculating multi-body hydrodynamic problems, CFD simulations in validating the developed solver and the BP neural network method in improving the multi-objective optimization efficiency. This will effectively improve my research capability and facilitate the developed optimization solver for the applications in offshore wind O&M activities.

Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

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HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

(opens in new window) HORIZON-MSCA-2023-PF-01

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Coordinator

UNIVERSITETET I STAVANGER
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 283 438,80
Address
KJELL ARHOLMS GATE 41
4021 Stavanger
Norway

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Region
Norge Vestlandet Rogaland
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

No data

Partners (2)

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