Preference-based service life design of floating wind structures

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Abstract

Floating wind farms are a promising solution for offshore wind energy production in deep waters. However, the design optimisation process of these farms is difficult due to their complex and multidisciplinary nature. Furthermore, current optimisation methods: 1) ignore and/or provide no insight into the dynamic interplay between the preference-dominated management domain and the object-performance-dominated engineering domain; 2) are limited to evaluating potentially sub-optimal design alternatives; 3) contain fundamental aggregation modelling errors; 4) do not return a single optimal design point. This paper presents an optimisation framework that overcomes these shortcomings and enables truly integrative multi-objective design optimisation. It includes a surrogate model that interacts with the wind turbine simulation tool OpenFAST to enable preliminary design of the structure’s mooring system. Applied to a demonstration project and validated against real projects in a maritime contractor environment, the workflow shows improvements in tender performance and added value over single-sided cost optimisations.
Original languageEnglish
Title of host publicationLife-Cycle of Structures and Infrastructure Systems
Subtitle of host publicationPROCEEDINGS OF THE EIGHTH INTERNATIONAL SYMPOSIUM ON LIFE-CYCLE CIVIL ENGINEERING (IALCCE 2023), 2-6 JULY, 2023, POLITECNICO DI MILANO, MILAN, ITALY
EditorsFabio Biondini, Dan M. Frangopol
PublisherTaylor and Francis
Pages957-964
Number of pages8
ISBN (Electronic)978-1-003-32302-0
DOIs
Publication statusPublished - 2023
EventIALCCE 2023: Eighth International Symposium on Life-Cycle Civil Engineering - Leonardo campus of Politecnico di Milano, Milan, Italy
Duration: 2 Jun 20236 Jun 2023
https://ialcce2023.org/

Conference

ConferenceIALCCE 2023
Country/TerritoryItaly
CityMilan
Period2/06/236/06/23
Internet address

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