Can a Simple Static-Equivalent Model Be Used to Predict Major Trends in the Dynamic Structural Response of Monopile Offshore Wind Turbines?
This paper tests the capability of a simplified model to predict major trends in the dynamic structural response of monopile offshore wind turbines. For this purpose, the results of two numerical models of different levels of complexity are compared: the advanced time-domain multi-physics tool OpenF...
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MDPI AG
2025-02-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/15/3/1633 |
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| author | Antonio J. Romero-Monzón Carlos Romero-Sánchez Guillermo M. Álamo Luis A. Padrón |
| author_facet | Antonio J. Romero-Monzón Carlos Romero-Sánchez Guillermo M. Álamo Luis A. Padrón |
| author_sort | Antonio J. Romero-Monzón |
| collection | DOAJ |
| description | This paper tests the capability of a simplified model to predict major trends in the dynamic structural response of monopile offshore wind turbines. For this purpose, the results of two numerical models of different levels of complexity are compared: the advanced time-domain multi-physics tool OpenFAST and a simplified static-equivalent model based on beam elements and concentrated masses. The IEA-15-240-RWT reference wind turbine is considered as a benchmarking problem. The comparison between the two structural models is presented in terms of their fundamental frequencies and through the analysis of shear forces and bending moments under wind-only and combined wave and wind load scenarios. The results show that the simplified model can adequately represent the system’s mass and stiffness characteristics, as well as the impact of soil–structure interaction effects on its fundamental frequency. Turbulence and wind velocity have a significant impact on internal forces and on the ability of the simplified model to reproduce their values. Despite the large differences obtained for highly turbulent scenarios, the acceptable accuracy obtained for relevant load scenarios and the conservative nature of the simplified model make it a viable option for preliminary large-scale studies that prioritize efficiency and efficacy over high-precision. |
| format | Article |
| id | doaj-art-48b2ca2fac0e43b8a5b160a206ab618a |
| institution | DOAJ |
| issn | 2076-3417 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj-art-48b2ca2fac0e43b8a5b160a206ab618a2025-08-20T02:48:02ZengMDPI AGApplied Sciences2076-34172025-02-01153163310.3390/app15031633Can a Simple Static-Equivalent Model Be Used to Predict Major Trends in the Dynamic Structural Response of Monopile Offshore Wind Turbines?Antonio J. Romero-Monzón0Carlos Romero-Sánchez1Guillermo M. Álamo2Luis A. Padrón3Instituto Universitario de Sistemas Inteligentes y Aplicaciones Numéricas en Ingeniería (SIANI), Universidad de Las Palmas de Gran Canaria (ULPGC), Edificio Central del Parque Científico y Tecnológico, Campus Universitario de Tafira, 34017 Las Palmas de Gran Canaria, SpainInstituto Universitario de Sistemas Inteligentes y Aplicaciones Numéricas en Ingeniería (SIANI), Universidad de Las Palmas de Gran Canaria (ULPGC), Edificio Central del Parque Científico y Tecnológico, Campus Universitario de Tafira, 34017 Las Palmas de Gran Canaria, SpainInstituto Universitario de Sistemas Inteligentes y Aplicaciones Numéricas en Ingeniería (SIANI), Universidad de Las Palmas de Gran Canaria (ULPGC), Edificio Central del Parque Científico y Tecnológico, Campus Universitario de Tafira, 34017 Las Palmas de Gran Canaria, SpainInstituto Universitario de Sistemas Inteligentes y Aplicaciones Numéricas en Ingeniería (SIANI), Universidad de Las Palmas de Gran Canaria (ULPGC), Edificio Central del Parque Científico y Tecnológico, Campus Universitario de Tafira, 34017 Las Palmas de Gran Canaria, SpainThis paper tests the capability of a simplified model to predict major trends in the dynamic structural response of monopile offshore wind turbines. For this purpose, the results of two numerical models of different levels of complexity are compared: the advanced time-domain multi-physics tool OpenFAST and a simplified static-equivalent model based on beam elements and concentrated masses. The IEA-15-240-RWT reference wind turbine is considered as a benchmarking problem. The comparison between the two structural models is presented in terms of their fundamental frequencies and through the analysis of shear forces and bending moments under wind-only and combined wave and wind load scenarios. The results show that the simplified model can adequately represent the system’s mass and stiffness characteristics, as well as the impact of soil–structure interaction effects on its fundamental frequency. Turbulence and wind velocity have a significant impact on internal forces and on the ability of the simplified model to reproduce their values. Despite the large differences obtained for highly turbulent scenarios, the acceptable accuracy obtained for relevant load scenarios and the conservative nature of the simplified model make it a viable option for preliminary large-scale studies that prioritize efficiency and efficacy over high-precision.https://www.mdpi.com/2076-3417/15/3/1633offshore wind turbinesoil–structure interactionmonopile foundationOpenFASTstatic-equivalent analysis |
| spellingShingle | Antonio J. Romero-Monzón Carlos Romero-Sánchez Guillermo M. Álamo Luis A. Padrón Can a Simple Static-Equivalent Model Be Used to Predict Major Trends in the Dynamic Structural Response of Monopile Offshore Wind Turbines? Applied Sciences offshore wind turbine soil–structure interaction monopile foundation OpenFAST static-equivalent analysis |
| title | Can a Simple Static-Equivalent Model Be Used to Predict Major Trends in the Dynamic Structural Response of Monopile Offshore Wind Turbines? |
| title_full | Can a Simple Static-Equivalent Model Be Used to Predict Major Trends in the Dynamic Structural Response of Monopile Offshore Wind Turbines? |
| title_fullStr | Can a Simple Static-Equivalent Model Be Used to Predict Major Trends in the Dynamic Structural Response of Monopile Offshore Wind Turbines? |
| title_full_unstemmed | Can a Simple Static-Equivalent Model Be Used to Predict Major Trends in the Dynamic Structural Response of Monopile Offshore Wind Turbines? |
| title_short | Can a Simple Static-Equivalent Model Be Used to Predict Major Trends in the Dynamic Structural Response of Monopile Offshore Wind Turbines? |
| title_sort | can a simple static equivalent model be used to predict major trends in the dynamic structural response of monopile offshore wind turbines |
| topic | offshore wind turbine soil–structure interaction monopile foundation OpenFAST static-equivalent analysis |
| url | https://www.mdpi.com/2076-3417/15/3/1633 |
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