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Quantifying the impact of modeling fidelity on different substructure concepts – Part 2: Code-to-code comparison in realistic environmental conditions

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Název: Quantifying the impact of modeling fidelity on different substructure concepts – Part 2: Code-to-code comparison in realistic environmental conditions
Autoři: Papi, Francesco, Troise, Giancarlo, Behrens de Luna, Robert, Saverin, Joseph, Perez-Becker, Sebastian, Marten, David, Ducasse, Marie-Laure, Bianchini, Alessandro
Rok vydání: 2024
Sbírka: TU Berlin: Deposit Once
Témata: 600 Technik, Medizin, angewandte Wissenschaften::620 Ingenieurwissenschaften::620 Ingenieurwissenschaften und zugeordnete Tätigkeiten, floating offshore wind turbine, FOWT, operation, simulation code, design situation
Popis: Floating offshore wind is widely considered to be a promising technology to harvest renewable energy in deep ocean waters and increase clean energy generation offshore. While evolving quickly from a technological point of view, floating offshore wind turbines (FOWTs) are challenging, as their performance and loads are governed by complex dynamics that are a result of the coupled influence of wind, waves, and currents on the structures. Many open challenges therefore still exist, especially from a modeling perspective. This study contributes to the understanding of the impact of modeling differences on FOWT loads by comparing three FOWT simulation codes, QBlade-Ocean, OpenFAST, and DeepLines Wind®, and three substructure designs, a semi-submersible, a spar buoy, and the two-part concept Hexafloat, in realistic environmental conditions. This extensive comparison represents one of the main outcomes of the Horizon 2020 project FLOATECH. In accordance with international standards for FOWT certification, multiple design situations are compared, including operation in normal power production and parked conditions. Results show that the compared codes agree well in the prediction of the system dynamics, regardless of the fidelity of the underlying modeling theories. However, some differences between the codes emerged in the analysis of fatigue loads, where, contrary to extreme loads, specific trends can be noted. With respect to QBlade-Ocean, OpenFAST was found to overestimate lifetime damage equivalent loads by up to 14 %. DeepLines Wind®, on the other hand, underestimated lifetime fatigue loads by up to 13.5 %. However, regardless of the model and FOWT design, differences in fatigue loads are larger for tower base loads than for blade root loads due to the larger influence substructure dynamics have on these loads. ; EC/H2020/101007142/EU/Optimization of floating wind turbines using innovative control techniques and fully coupled open source engineering tool/FLOATECH
Druh dokumentu: article in journal/newspaper
Popis souboru: application/pdf; image/png
Jazyk: English
DOI: 10.14279/depositonce-20511
Dostupnost: https://depositonce.tu-berlin.de/handle/11303/21710
https://doi.org/10.14279/depositonce-20511
Rights: https://creativecommons.org/licenses/by/4.0/
Přístupové číslo: edsbas.218850D1
Databáze: BASE
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  – Url: https://depositonce.tu-berlin.de/handle/11303/21710#
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  Data: Quantifying the impact of modeling fidelity on different substructure concepts – Part 2: Code-to-code comparison in realistic environmental conditions
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  Data: <searchLink fieldCode="AR" term="%22Papi%2C+Francesco%22">Papi, Francesco</searchLink><br /><searchLink fieldCode="AR" term="%22Troise%2C+Giancarlo%22">Troise, Giancarlo</searchLink><br /><searchLink fieldCode="AR" term="%22Behrens+de+Luna%2C+Robert%22">Behrens de Luna, Robert</searchLink><br /><searchLink fieldCode="AR" term="%22Saverin%2C+Joseph%22">Saverin, Joseph</searchLink><br /><searchLink fieldCode="AR" term="%22Perez-Becker%2C+Sebastian%22">Perez-Becker, Sebastian</searchLink><br /><searchLink fieldCode="AR" term="%22Marten%2C+David%22">Marten, David</searchLink><br /><searchLink fieldCode="AR" term="%22Ducasse%2C+Marie-Laure%22">Ducasse, Marie-Laure</searchLink><br /><searchLink fieldCode="AR" term="%22Bianchini%2C+Alessandro%22">Bianchini, Alessandro</searchLink>
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  Data: 2024
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  Data: TU Berlin: Deposit Once
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  Data: <searchLink fieldCode="DE" term="%22600+Technik%22">600 Technik</searchLink><br /><searchLink fieldCode="DE" term="%22Medizin%22">Medizin</searchLink><br /><searchLink fieldCode="DE" term="%22angewandte+Wissenschaften%3A%3A620+Ingenieurwissenschaften%3A%3A620+Ingenieurwissenschaften+und+zugeordnete+Tätigkeiten%22">angewandte Wissenschaften::620 Ingenieurwissenschaften::620 Ingenieurwissenschaften und zugeordnete Tätigkeiten</searchLink><br /><searchLink fieldCode="DE" term="%22floating+offshore+wind+turbine%22">floating offshore wind turbine</searchLink><br /><searchLink fieldCode="DE" term="%22FOWT%22">FOWT</searchLink><br /><searchLink fieldCode="DE" term="%22operation%22">operation</searchLink><br /><searchLink fieldCode="DE" term="%22simulation+code%22">simulation code</searchLink><br /><searchLink fieldCode="DE" term="%22design+situation%22">design situation</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: Floating offshore wind is widely considered to be a promising technology to harvest renewable energy in deep ocean waters and increase clean energy generation offshore. While evolving quickly from a technological point of view, floating offshore wind turbines (FOWTs) are challenging, as their performance and loads are governed by complex dynamics that are a result of the coupled influence of wind, waves, and currents on the structures. Many open challenges therefore still exist, especially from a modeling perspective. This study contributes to the understanding of the impact of modeling differences on FOWT loads by comparing three FOWT simulation codes, QBlade-Ocean, OpenFAST, and DeepLines Wind®, and three substructure designs, a semi-submersible, a spar buoy, and the two-part concept Hexafloat, in realistic environmental conditions. This extensive comparison represents one of the main outcomes of the Horizon 2020 project FLOATECH. In accordance with international standards for FOWT certification, multiple design situations are compared, including operation in normal power production and parked conditions. Results show that the compared codes agree well in the prediction of the system dynamics, regardless of the fidelity of the underlying modeling theories. However, some differences between the codes emerged in the analysis of fatigue loads, where, contrary to extreme loads, specific trends can be noted. With respect to QBlade-Ocean, OpenFAST was found to overestimate lifetime damage equivalent loads by up to 14 %. DeepLines Wind®, on the other hand, underestimated lifetime fatigue loads by up to 13.5 %. However, regardless of the model and FOWT design, differences in fatigue loads are larger for tower base loads than for blade root loads due to the larger influence substructure dynamics have on these loads. ; EC/H2020/101007142/EU/Optimization of floating wind turbines using innovative control techniques and fully coupled open source engineering tool/FLOATECH
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  Data: 10.14279/depositonce-20511
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  Data: https://depositonce.tu-berlin.de/handle/11303/21710<br />https://doi.org/10.14279/depositonce-20511
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  Data: edsbas.218850D1
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        Value: 10.14279/depositonce-20511
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      – SubjectFull: angewandte Wissenschaften::620 Ingenieurwissenschaften::620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
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      – TitleFull: Quantifying the impact of modeling fidelity on different substructure concepts – Part 2: Code-to-code comparison in realistic environmental conditions
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