Numerical Assessment of a Tension-Leg Platform Wind Turbine in Intermediate Water Using the Smoothed Particle Hydrodynamics Method

Bonaventura Tagliafierro, Madjid Karimirad, Iván Martínez-Estévez, José M. Domínguez, Giacomo Viccione and Alejandro J. C. Crespo
Additional contact information
Bonaventura Tagliafierro: Department of Civil Engineering, University of Salerno, 84084 Fisciano, Italy
Madjid Karimirad: School of Natural and Built Environment, Queen’s University Belfast, Belfast BT9 5AG, UK
Iván Martínez-Estévez: EPhysLab, CIM-Uvigo, Universidade de Vigo, 32004 Ourense, Spain
José M. Domínguez: EPhysLab, CIM-Uvigo, Universidade de Vigo, 32004 Ourense, Spain
Giacomo Viccione: Environmental and Maritime Hydraulics Laboratory (LIDAM), University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy
Alejandro J. C. Crespo: EPhysLab, CIM-Uvigo, Universidade de Vigo, 32004 Ourense, Spain

Energies, 2022, vol. 15, issue 11, 1-23

Abstract: The open-source code DualSPHysics, based on the Smoothed Particle Hydrodynamics method for solving fluid mechanics problems, defines a complete numerical environment for simulating the interaction of floating structures with ocean waves, and includes external libraries to simulate kinematic- and dynamic-type restrictions. In this work, a full validation of the SPH framework using experimental data available for an experimental test campaign on a 1:37-scale floating offshore wind turbine tension-leg platform (TLP) is presented. The first set of validation cases includes a surge decay test, to assess the quality of the fluid–solid interaction, and regular wave tests, which stimulate the mooring system to a large extent. During this phase, tendons (tension legs) that are simulated by MoorDyn + are validated. Spectral comparison shows that the model is able to capture the surge and pitch dynamic amplification that occurs around the resonant fundamental mode of vibration. This work concludes with a numerical investigation that estimates the response of TLP under extreme events defined using multiple realizations of irregular sea states; the results suggest that the tendon loads are sensitive to the sea-state realization, providing maximum tendon peak forces in a range of ±10% about the mean. Furthermore, it is shown that the load pattern that forms from considering the relative position of the tendons to the incident wave direction leads to higher forces (≈20%).

Keywords: DualSPHysics; MoorDyn+; computational fluid dynamics; tension-leg platforms; floating offshore wind turbines; Smoothed Particle Hydrodynamics; multiphysics simulations (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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