... impact pressure freak wave elevation upstream oil & gas climate change sub-sea system platform wave impact experimental data wave impact pressure offshore wind turbine simulation platform motion interaction particle size freak wave impact dualsphysic wave profile equation zhang...

... ABSTRACT Monopile offshore wind turbines (OWT) are the most commonly used type of OWTs for offshore wind farms. Modal parameters are crucial for damage detection and safety evaluation of the monopile OWTs. However, modal parameter identification of the monopile OWTs is challenging due...

... by means of an effective predictive maintenance approach. INTRODUCTION Due to their hybrid design, grouted joints can be considered as good-natured and robust connections. They are used for offshore wind turbines both below and above water level to connect the foundation piles to the substructure (e.g...

... ABSTRACT The hydrodynamic responses of the floating platform, especially the heave, surge, and pitch motions have a great impact on the aerodynamic performance of the wind turbine. Consequently, the model and experiment data of a Y-shaped platform for floating offshore wind turbine is provided...

... ABSTRACT The offshore wind industry is following a fast increase in Europe, leading developers to consider sites with higher water depths and to move to floating foundations. Floating Offshore Wind Turbines (FOWT) are complex systems whom design requires multi-physic models: aerodynamics...

... ABSTRACT This work presents the hydrodynamic response of a Floating Offshore Wind Turbine (FOWT) using numerical methods and it is a part of the 1st FOWT Comparative Study. The methodology is based on an artificial compressibility finite volume solver coupled with a mooring line dynamic solver...

... ABSTRACT Based on a hybrid method coupling FNPT-based QALE-FEM and CFD, a self-developed solver QaleFoam is applied to generate the focused wave and simulate the motion response of the floating offshore wind turbine (FOWT), and the discontinuous Galerkin finite element method is used to obtain...

... ABSTRACT The dynamics of floating offshore wind turbines (FOWTs) poses a great challenge for their coupled analysis. While the model-based method is efficient, the computational fluid dynamics (CFD) provides a high-order model for FOWTs. In the present paper, a multi-layer mesh technique...

... wind direction wt1 wake characteristic power output renewable energy sustainability sustainable development characteristic rotor offshore wind turbine fhawt thrust arrangement investigation velocity distribution baseline case Proceedings of the Thirty-third (2023) International Ocean...

... ABSTRACT Nowadays, the probabilistic-based design method is gradually getting attention as an alternative method in the design and analysis field of offshore wind turbines (OWTs) to substitute the traditional deterministic design methods, which account for the uncertainties existing...

... ABSTRACT Among a variety of basic forms of offshore wind turbines, the suction bucket foundation has the advantages of simple installation, short construction cycles, and cost-saving. This work aims at complicated sea condition that occurs in practical situations. Different simulation...

... models, if properly calibrated, can provide more than satisfactory results with a low computational cost. INTRODUCTION The interest in Floating Offshore Wind Turbines (FOWTs) is growing worldwide as the energy demand is increasing rapidly and the traditional energy sources are both environmentally...

... ABSTRACT In the long-term operation of the floating offshore wind turbines, structural risk assessment is necessary in the same way that the seismic risk assessment performed for onshore structures. Because increment of the occurrence frequency of strong wind and the occurrence of unexpected...

... ABSTRACT The concept of a "hybrid offshore wind turbine" originated from articulated loading platforms (ALPS). In this study, we have developed a concept design for the major structural components. Orcaflex was used to create a numerical model. A yaw controller was included in the numerical...

... ABSTRACT This work forms a part of the contribution to the "1st FOWT comparative study" for modelling floating offshore wind turbine(FOWT) hydrodynamics based on the wave tank tests of a 1:70 scaled moored VolturnUS semi-submersible floater model. Two sets of test cases have been simulated...

... ABSTRACT Here we proposed a condition evaluation method for offshore wind turbines by statistical inference using strain data. To determine the unknown statistical parameters of the data and its confidence level, we first assume the data obey the normal distribution or Weibull distribution...

... ABSTRACT To reach the full potential of offshore wind energy, the evaluation of the hydrodynamic performance of offshore wind turbine semi-submersible platforms is of vital importance. This study, known as the 1st FOWT Comparative Study (Ransley et al. 2022), aims to achieve this target...

... ABSTRACT We numerically simulate the hydrodynamic response of a floating offshore wind turbine (FOWT) using CFD. The FOWT under consideration is a slack-moored 1:70 scale model of the UMaine VolturnUS-S semi-submersible platform. This set-up has been experimentally tested in the COAST...

... ABSTRACT The coupled action of wind and wave on the stability of floating offshore wind turbines (FOWT) tremendously affects the lifespan of these energy systems and their energy output. Passive control systems reduce such loads but can only mitigate the loading over a small range...

... floating offshore wind turbines to reduce emissions from oil and gas facilities offshore Newfoundland. This paper examines the risks to the turbines due to atmospheric icing from freezing sea spray and precipitation, and offers possible mitigation measures. Results show that icing offshore Newfoundland...