Parametric Curve Comparison for Modeling Floating Offshore Wind Turbine Substructures

The drive for the cost reduction of floating offshore wind turbine (FOWT) systems to the levels of fixed bottom foundation turbine systems can be achieved with creative design and analysis techniques of the platform with free-form curves to save numerical simulation time and minimize the mass of ste...

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Main Authors: Adebayo Ojo, Maurizio Collu, Andrea Coraddu
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/16/14/5371
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author Adebayo Ojo
Maurizio Collu
Andrea Coraddu
author_facet Adebayo Ojo
Maurizio Collu
Andrea Coraddu
author_sort Adebayo Ojo
collection DOAJ
description The drive for the cost reduction of floating offshore wind turbine (FOWT) systems to the levels of fixed bottom foundation turbine systems can be achieved with creative design and analysis techniques of the platform with free-form curves to save numerical simulation time and minimize the mass of steel (cost of steel) required for design. This study aims to compare four parametric free-form curves (cubic spline, B-spline, Non-Uniform Rational B-Spline and cubic Hermite spline) within a design and optimization framework using the pattern search gradient free optimization algorithm to explore and select an optimal design from the design space. The best performance free-form curve within the framework is determined using the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS). The TOPSIS technique shows the B-spline curve as the best performing free-form curve based on the selection criteria, amongst which are design and analysis computational time, estimated mass of platform and local shape control properties. This study shows that free-form curves like B-spline can be used to expedite the design, analysis and optimization of floating platforms and potentially advance the technology beyond the current level of fixed bottom foundations.
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spelling doaj.art-469a49310ad740bca4fb0e97ab31626b2023-11-18T19:09:21ZengMDPI AGEnergies1996-10732023-07-011614537110.3390/en16145371Parametric Curve Comparison for Modeling Floating Offshore Wind Turbine SubstructuresAdebayo Ojo0Maurizio Collu1Andrea Coraddu2Department of Naval Architecture Ocean and Marine Engineering, University of Strathclyde, Glasgow G4 0LZ, UKDepartment of Naval Architecture Ocean and Marine Engineering, University of Strathclyde, Glasgow G4 0LZ, UKDepartment of Maritime & Transport Technology, Delft University of Technology, 2628 CD Delft, The NetherlandsThe drive for the cost reduction of floating offshore wind turbine (FOWT) systems to the levels of fixed bottom foundation turbine systems can be achieved with creative design and analysis techniques of the platform with free-form curves to save numerical simulation time and minimize the mass of steel (cost of steel) required for design. This study aims to compare four parametric free-form curves (cubic spline, B-spline, Non-Uniform Rational B-Spline and cubic Hermite spline) within a design and optimization framework using the pattern search gradient free optimization algorithm to explore and select an optimal design from the design space. The best performance free-form curve within the framework is determined using the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS). The TOPSIS technique shows the B-spline curve as the best performing free-form curve based on the selection criteria, amongst which are design and analysis computational time, estimated mass of platform and local shape control properties. This study shows that free-form curves like B-spline can be used to expedite the design, analysis and optimization of floating platforms and potentially advance the technology beyond the current level of fixed bottom foundations.https://www.mdpi.com/1996-1073/16/14/5371FOWTdesignoptimizationparametric free-formTOPSIS
spellingShingle Adebayo Ojo
Maurizio Collu
Andrea Coraddu
Parametric Curve Comparison for Modeling Floating Offshore Wind Turbine Substructures
Energies
FOWT
design
optimization
parametric free-form
TOPSIS
title Parametric Curve Comparison for Modeling Floating Offshore Wind Turbine Substructures
title_full Parametric Curve Comparison for Modeling Floating Offshore Wind Turbine Substructures
title_fullStr Parametric Curve Comparison for Modeling Floating Offshore Wind Turbine Substructures
title_full_unstemmed Parametric Curve Comparison for Modeling Floating Offshore Wind Turbine Substructures
title_short Parametric Curve Comparison for Modeling Floating Offshore Wind Turbine Substructures
title_sort parametric curve comparison for modeling floating offshore wind turbine substructures
topic FOWT
design
optimization
parametric free-form
TOPSIS
url https://www.mdpi.com/1996-1073/16/14/5371
work_keys_str_mv AT adebayoojo parametriccurvecomparisonformodelingfloatingoffshorewindturbinesubstructures
AT mauriziocollu parametriccurvecomparisonformodelingfloatingoffshorewindturbinesubstructures
AT andreacoraddu parametriccurvecomparisonformodelingfloatingoffshorewindturbinesubstructures