Electronic Resource

An Integrated Nonlinear Wind-Waves Model for Offshore Wind Turbines

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This thesis presents a numerical model capable of simulating offshore wind turbines exposed to extreme loading conditions. External condition-based extreme responses are reproduced by coupling a fully nonlinear wave kinematic solver with a hydro-aero-elastic simulator. First, a two-dimensional fully nonlinear wave simulator is developed. The transient nonlinear free surface problem is formulated assuming the potential theory and a high-order boundary element method is implemented to discretize Laplace's equation. For temporal evolution a second-order Taylor series expansion is used. The code, after validation with experimental data, is successfully adopted to simulate overturning plunging breakers which give rise to dangerous impact loads when they break against wind turbine substructures. Emphasis is then placed on the random nature of the waves. Indeed, through a domain decomposition technique a global simulation framework embedding the numerical wave simulator into a more general stochastic environment is developed. The proposed model is meant as a contribution to meet the more and more pressing demand for research in the offshore wind energy sector as it permits taking into account dangerous effects on the structural response so as to increase the global structural safety level.

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Detail Information

Series Title

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Call Number

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Publisher

: Firenze University Press., 2011

Collation

230 hlm; ill., lamp.,

Language

English

ISBN/ISSN

9788892736429

Classification

NONE

Content Type

text

Media Type

computer

Carrier Type

online resource

Edition

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Subject(s)

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Specific Detail Info

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Statement of Responsibility

Marino, Enzo

Other Information

Cataloger

ida

Source

https://directory.doabooks.org/handle/20.500.12854/83713

Validator

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Digital Object Identifier (DOI)

10.36253/978-88-6655-053-2

Journal Volume

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Journal Issue

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Subtitle

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Parallel Title

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