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Title: Structural evaluation of offshore wind turbines supported on a jacket using Artificial Neural Networks
Authors: Quevedo Reina, Román 
Álamo Meneses, Guillermo Manuel 
Padrón Hernández, Luis Alberto 
Aznárez González, Juan José 
Maeso Fortuny, Orlando Fco 
UNESCO Clasification: Materias
Issue Date: 2022
Publisher: International Center for Numerical Methods in Engineering (CIMNE) 
Conference: Congress on Numerical Methods in Engineering (CMN 2022) 
Abstract: Reducing the cost of the support structure of offshore wind turbines is an important objective to promote the development of this technology. In the design stage, the aim is to obtain a structure that verifies the different technical requirements imposed by the regulations and minimizes the amount of material used. In the literature, there are authors who manage to obtain efficient designs by approaching the process as an optimization problem for specific configurations (e.g. [1, 2]). However, introducing structural calculation and verification in an iterative process, such as optimization, considerably increases the computational cost of this process. For this reason, a surrogate model based on Artificial Neural Networks (ANN) is proposed to predict whether a jacket support structure would verify the technical requirements based on the characteristics of the wind turbine and the site. A dataset is generated to train the ANN. These synthetic data collect the characteristics of the OWT-jacket-foundation system and the site; as well as the result of the technical checks, obtained by means of a finite element structural model. Analysing the confusion matrix of the test data, it is observed that this type of tool allows to establish the technical feasibility of a jacket support structure in a sufficiently precise way. Thus, the computational costs in the pre-design stage can be reduced through the use of Machine Learning techniques, such as ANNs. This work has been performed within financial support from research project PID2020- 120102RB-I00, funded by the Agencial Estatal de Investigaci´on of Spain, MCIN/AEI/ 10.13039/501100011033.
ISBN: 978-84-123222-9-3
Source: Congress on Numerical Methods in Engineering (CMN 2022), p. 290
Appears in Collections:Actas de congresos
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