Academic literature on the topic 'Metocean characterization'

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Journal articles on the topic "Metocean characterization"

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Smith, Eric D., and Jeffrey A. Oskamp. "REAL TIME VESSEL SIMULATION INCORPORATING COASTAL NUMERICAL MODELING." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 51. http://dx.doi.org/10.9753/icce.v36.risk.51.

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Real time vessel simulation has become an integral part of design of navigation channels, harbor geometries, and marine terminals. Generalized guidance for channel width, bend radii, and turning basin dimensions is documented in numerous sources (e.g. PIANC, ASCE) based on typical environmental parameters of current magnitude, wind speed, and wave height. Common to all the guidance is to confirm and finalize geometry and operability based on vessel simulation studies. A real time vessel simulator incorporates various data to represent the response of a vessel to helm controls of the pilot such
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Koohi Kheili, Ali Ghasemi, Yuriy Drobyshevski, Mehrdad Kimiaei, and Mike Efthymiou. "Characterization of tropical cyclones to identify the response based design metocean conditions for an FPSO mooring system." Ocean Engineering 247 (March 2022): 110753. http://dx.doi.org/10.1016/j.oceaneng.2022.110753.

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Couto, A., P. Justino, T. Simões, and A. Estanqueiro. "Impact of the wave/wind induced oscillations on the power performance of the WindFloat wind turbine." Journal of Physics: Conference Series 2362, no. 1 (2022): 012010. http://dx.doi.org/10.1088/1742-6596/2362/1/012010.

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The main objective of this work is the characterization of the wave/wind induced oscillations on the power performance of the wind turbine operating on a WindFloat floating system. To assess the potential impact on the wind turbine power performance induced by these oscillations, the nacelle movements of the WindFloat wind turbine were monitored using accelerometer sensors synchronized with : 1) metocean data measured with a buoy; 2) wind turbine power data installed in the WindFloat floating system; and 3) wind speed data gathered from a nacelle-mounted LiDAR. Based on this data, a clustering
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Cardenas, Mar, Ana J. Abascal, Sonia Castanedo, et al. "SHORT-TERM AND MEDIUM-TERM FORECAST OF OIL SPILL TRAJECTORIES: APPLICATION TO LOCAL AND REGIONAL SCALES." International Oil Spill Conference Proceedings 2017, no. 1 (2017): 1890–910. http://dx.doi.org/10.7901/2169-3358-2017.1.1890.

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ABSTRACT This paper presents two methodologies to provide short-term and medium-term forecast of oil spill trajectories at local and regional scales. For short-term predictions (within 48 hours), a high-resolution operational oil spill forecast system is developed in Belfast Lough (Northern Ireland). Hydrodynamics are based on a Delft3D model which uses daily boundary conditions and meteorological forcing obtained from Copernicus Marine Environment Monitoring Service (CMEMS) and from the UK Meteorological Office. Downscaled currents and meteorological forecasts are used to provide short-term o
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Mitsopoulos, Panagiotis, and Malaquias Peña. "Characterizing Coastal Wind Speed and Significant Wave Height Using Satellite Altimetry and Buoy Data." Remote Sensing 15, no. 4 (2023): 987. http://dx.doi.org/10.3390/rs15040987.

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Wind speed and significant wave height are the most relevant metocean variables that support a wide range of engineering and economic activities. Their characterization through remote sensing estimations is required to compensate for the shortage of in situ observations. This study demonstrates the value of satellite altimetry to identify typical spatial patterns of wind speed and significant wave height in the northeastern region of the United States. Data from five altimetry satellite missions were evaluated against the available in situ observations with a 10 km sampling radius and a 30 min
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Mattioli, Matteo, Matteo Valenti Pettino, Andrea Foresi, and Diego Guidi. "Site Characterization Data Model and GIS-based Tools for Offshore Engineering Projects." Hydro Science & Marine Engineering 4, no. 1 (2022). http://dx.doi.org/10.30564/hsme.v4i1.4568.

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Offshore engineering projects require the management of a huge amount of heterogeneous georeferenced data - among others metocean, geophysical, geotechnical, and environmental, which need a Data Model, data visualization and data analytics features on a common geographic basis. A Digital Data Platform (DDP) has been developed on a GIS ambient with the aim to speed up the engineering design process (i.e. minimization of routine operations), and also prevent misalignment of the data originating from different sources from Owner to Suppliers and any potential loss of information. The proposed GIS
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Dissertations / Theses on the topic "Metocean characterization"

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Marcille, Robin. "Learning-based forecasting of metocean variables : a path to maintenance operations optimization for offshore wind energy." Electronic Thesis or Diss., Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2024. http://www.theses.fr/2024IMTA0416.

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Les opérations de maintenance de l’éolien en mer sont sensibles aux incertitudes des prévision météo-océaniques. Les modèles de prévision numérique sont limités par leur coût de calcul pour l’estimation des incertitudes, ce qui pousse au développement de méthodes basées sur l’apprentissage profond. L’importance des mesures in-situ en mer est mis en exergue par les résultats de cette thèse. Une méthode basée sur le clustering non supervisé de données de modèle numérique est proposée pour la définition d’un réseau de capteurs optimal pour la reconstruction de la ressource en vent. Des méthodes d
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Calderón, Vega Felícitas. "Probabilistic characterization of single and concurrent metocean variables of Mexican coasts with seasonal variability using extreme value theory, with application to reliability of coastal structures." Doctoral thesis, Universitat Politècnica de Catalunya, 2021. http://hdl.handle.net/10803/672117.

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This thesis encompasses a set of different subjects related to metocean variables but studied from different perspectives. The metocean variables are mainly significant wave heights and wind velocities and, to a lesser extent, wave periods. The extreme value theory is used to probabilistically characterized the metocean variables by means of the generalized extreme value distribution (GEV). The effect of seasonality is included by considering monthly maxima and using harmonic and subharmonic functions (i.e., time dependency in the GEV model is incorporated). Although Mexican information was no
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Conference papers on the topic "Metocean characterization"

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Acton, Caroline. "The Impacts of Climate Change on the Windows of Offshore Operations." In ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/omae2021-61170.

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Abstract Ocean renewable energy has a central role to play in decarbonizing the global energy system. The emergence of new technologies such as floating wind farms will significantly increase offshore wind deployment by providing access to large areas of the seabed that are not suitable for fixed bottom turbines. Operations and Maintenance (O&M) is estimated to contribute 50% to an offshore wind farm’s total operational cost. The ability to improve the efficiency of O&M activities will enable offshore wind to compete with traditional fossil-based and onshore-renewable generation method
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Fragoso, Mauricio, Louis De Montera, Romain Husson, et al. "Satellite Observations for Better Characterization of Sea Surface Wind Field and Offshore Wind Energy Resource Assessment." In Offshore Technology Conference. OTC, 2021. http://dx.doi.org/10.4043/31316-ms.

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Abstract This paper presents a method to generate maps of offshore wind power at turbine hub height from spaceborne Synthetic Aperture Radar (SAR) data. Two techniques based on machine learning are presented. The first can be trained with metocean buoys and the second one, more precise, requires on-site profiling Lidars. If Lidars are not available, SAR surface winds at 10m are improved with machine learning. They are then extrapolated at 40m with a classical power law, and then at higher altitudes with an atmospheric numerical model. If profiling Lidars are available, parameters from the nume
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Vanem, Erik, and Arne Bang Huseby. "Environmental Contours Based on a Direct Sampling Approach and the IFORM Approach: Contribution to a Benchmark Study." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18041.

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Abstract Environmental contours are often applied in probabilistic structural reliability analysis to identify extreme environmental conditions that may give rise to extreme loads and responses. It represents an approximate method for performing long-term extreme response analyses in cases where full long-term analyses are not feasible due to computationally heavy and time-demanding response calculations. There are various methods for deriving environmental contours given a set of metocean data. These relate to different approaches for modelling the joint behaviour of the metocean variables, i
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Mariani, Alessio, Grant Elliott, Geoff Wake, James Whelan, and Gus Jeans. "A Novel Approach to the Development of Squall Database for Mooring Response Based Analysis." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-61674.

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This paper describes a novel approach to the characterisation of the winds associated with squall events. Squalls are short duration events during which wind speed increases rapidly and is often characterised by a substantial change in direction. Squalls are an important input for the design of offshore structures, particularly weather vaning facilities such as turret moored FPSO’s for which squalls may induce substantial mooring loads. This paper presents the development of a synthetic squall database covering 63 years and combining direct high resolution wind measurements together with weath
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Baker, David A., and Karen M. Walker. "Fatigue Considerations for Subsea Well Systems." In ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/omae2016-54280.

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Fatigue assessments are a central component of subsea well system analysis and are essential in understanding overall well system performance. In recent years there has been an increased focus on understanding fatigue in well systems. This focus has taken on many forms — a broad industry JIP, technical studies by individual operators, development of a variety of technologies for subsea instrumentation and monitoring and case studies implementing this technology. An overarching objective of all these efforts is to clarify some of the complexity that is inherent to well system fatigue. As with a
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Ryan, Mike F., Brian Unietis, Alexander Kaverzin, et al. "Guyana Operations and First Oil." In Offshore Technology Conference. OTC, 2021. http://dx.doi.org/10.4043/30979-ms.

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Abstract The Liza Phase 1 development project features the Liza Destiny Floating Production, Storage, and Offloading (FPSO) vessel, moored 190 km offshore Guyana in 1,743 m (5,719 ft) of water, and four subsea drill centers supporting 17 wells. Not only was this a Greenfield development that required an integrated team to prepare for Operations; it was also located in a New Frontier that required development of logistics and marine infrastructure to support multi drillship and FPSO operations in challenging metocean and tidal conditions. In addition, early operations and production testing was
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Hargrave, Deanne, Gene Bryant, Jack Dow Fraser, et al. "Offshore Wind Integrated Geoscience Approach Considering Regulatory Requirements and Project Design Essentials to Optimize Timelines Bringing Value to Project, Developer, and Consumer." In Offshore Technology Conference. OTC, 2023. http://dx.doi.org/10.4043/32482-ms.

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Abstract Atlantic Shores Offshore Wind is developing one of the largest offshore wind energy projects along the U.S. East Coast. Given the large lease area covering 741 km2 and with minimal pre-existing geophysical, geotechnical, environmental, and marine archaeological data availability when the lease was awarded, significant front-end efforts were required to complete project design and regulatory site characterization. Collection of the information needed to progress the Construction Operations Plan and develop a project's detailed design parameters would typically take up to 4 years to fin
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