Literatura académica sobre el tema "FWTT"

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Artículos de revistas sobre el tema "FWTT"

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Munir, H., C. F. Lee, and M. C. Ong. "Global analysis of floating offshore wind turbines with shared mooring system." IOP Conference Series: Materials Science and Engineering 1201, no. 1 (2021): 012024. http://dx.doi.org/10.1088/1757-899x/1201/1/012024.

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Abstract Floating wind turbines (FWTs) with shared mooring systems can be one of the most cost- effective solutions in reducing mooring costs. First, the static configuration of a shared line is estimated using the elastic catenary equation. The present study investigates the global responses of two FWT with a shared mooring system. Two shared mooring configurations with different horizontal distances between the FWTs are considered. In the first configuration, the FWTs are placed 750m apart; and in the second configuration, they are placed 1000m apart. Two different environmental conditions (
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Larivière-Lajoie, Anne-Sophie, Joanie Lemieux, Dany Cinq-Mars, Frédéric Guay, Antoni Dalmau, and Linda Saucier. "Preslaughter feed withdrawal and sex influences on rabbit physiological response and meat quality." World Rabbit Science 32, no. 3 (2024): 193–211. http://dx.doi.org/10.4995/wrs.2024.21002.

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Although preslaughter feed withdrawal is commonly used in the livestock industry to reduce the risk of viscera puncture during evisceration, the optimal feed withdrawal time (FWT) appears to be species dependent and is not yet well defined in rabbits. This study aimed to evaluate the impact of three preslaughter FWTs while considering the effect of sex on physiological response and meat quality of rabbits. Three FWTs (4, 11 and 18 h) were tested using 144 recently weaned Grimaud rabbits fed until they reached an average commercial slaughter live body weight of 2.5±0.2 kg. Rabbits were allocate
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Djenane, Mohamed, Rafik Demagh, and Farid Hammoud. "Rotation of Stresses in French Wheel Tracking Test." Civil Engineering Journal 8, no. 3 (2022): 438–53. http://dx.doi.org/10.28991/cej-2022-08-03-03.

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The main function of a pavement is to distribute the traffic-induced load over its different layers. While the flexible pavement design methods are based on a linear elastic calculation, the real behavior of the different layers is highly non-linear and elastic. They can also, in some cases, be plastic and viscous. This research aims to develop a three-dimensional numerical model that is closely similar to the test FWTT conditions. The model will have a real geometry wheel footprint (rather than a rectangular shape). As a substitute for incremental loading, the wheel movement during its passag
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Gabr, Mohamed Elsayed, Madleen Salem, Hani Mahanna, and Mohamed Mossad. "Floating Wetlands for Sustainable Drainage Wastewater Treatment." Sustainability 14, no. 10 (2022): 6101. http://dx.doi.org/10.3390/su14106101.

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The preservation of water resources in modern urbanized society is a major concern. In this study, a floating constructed wetland (FWT) pilot plant was designed and constructed for the treatment of a polluted wastewater drain. A series of experiments were run continuously for a year in pilot-scale FWTs in a semi-arid area located in Egypt’s Delta. Four aquatic plant species (Eichhornia, Ceratophyllum, Pistia stratiotes, and Nymphaea lotus) were used to assess the performance of FWTs for pollutant removals, such as biochemical oxygen demand (BOD), chemical oxygen demand (COD), total suspended s
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Farid, Hafiz Muhammad Athar, Muhammad Riaz, and Gustavo Santos Garcia. "T-spherical fuzzy information aggregation with multi-criteria decision-making." AIMS Mathematics 8, no. 5 (2023): 10113–45. http://dx.doi.org/10.3934/math.2023512.

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<abstract><p>T-spherical fuzzy sets (T-SPFSs) have gained popularity because of their ability to account for uncertainty more effectively and spanning a larger domain. The sum of the t-$ th $ power of membership grades in T-SPFSs is close to a unit interval, allowing for greater uncertainty. As a result, this set outperforms traditional fuzzy structures. The "multi-criteria decision-making" (MCDM) approach is a widely used technique that requires the use of some aggregation tools, and various such aggregation operators (AOs) have been developed over the years to achieve this purpos
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Rapley, E. A., R. Barfoot, C. Bonaïti-Pellié, et al. "Evidence for susceptibility genes to familial Wilms tumour in addition to WT1, FWT1 and FWT2." British Journal of Cancer 83, no. 2 (2000): 177–83. http://dx.doi.org/10.1054/bjoc.2000.1283.

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Jenssen, Yngve, Thomas Sauder, and Maxime Thys. "Performance of a Cable-Driven Robot Used for Cyber–Physical Testing of Floating Wind Turbines." Journal of Marine Science and Engineering 12, no. 9 (2024): 1669. http://dx.doi.org/10.3390/jmse12091669.

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Cyber–physical testing has been applied for a decade in hydrodynamic laboratories to assess the dynamic performance of floating wind turbines (FWTs) in realistic wind and wave conditions. Aerodynamic loads, computed by a numerical simulator fed with model test measurements, are applied in real time on the physical model using actuators. The present paper proposes a set of short and targeted benchmark tests that aim to quantify the performance of actuators used in cyber–physical FWT testing. They aim at ensuring good load tracking over all frequencies of interest and satisfactory disturbance re
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Evans, Annan Boah, Aidoo Borsah Abraham, and Brantson Eric Thompson. "Integrated Reservoir Characterisation for Petrophysical Flow Units Evaluation and Performance Prediction." Open Chemical Engineering Journal 13, no. 1 (2019): 97–113. http://dx.doi.org/10.2174/1874123101913010097.

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Introduction: An improved understanding of complex clastic reservoirs has led to more detailed reservoir description using integrated approach. In this study, we implemented cluster analysis, geostatistical methods, reservoir quality indicator technique and reservoir simulation to characterize clastic system with complex pore architecture and heterogeneity. Methods: Model based clustering technique from Ward’s analytical algorithm was utilised to transform relationship between core and calculated well logs for paraflow units (PFUs) classification in terms of porosity, permeability and pore thr
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Prachgosin, Tulaya, Wipawan Leelasamran, Pruittikorn Smithmaitrie, and Surapong Chatpun. "Effect of total-contact orthosis on medial longitudinal arch and lower extremities in flexible flatfoot subjects during walking." Prosthetics and Orthotics International 41, no. 6 (2017): 579–86. http://dx.doi.org/10.1177/0309364617691621.

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Background: Total-contact orthosis (TCO) is one kind of foot orthosis (FO) that is used to adjust biomechanics in flexible flatfoot. Objective: To determine the effects of a TCO on the MLA moment, MLA deformation angle and lower limb biomechanics. Study Design: Cross-sectional study. Methods: Seven-flatfoot and thirteen-normal foot subjects were recruited by footprint and radiographs. The biomechanics of subjects with normal foot (NF), flatfoot with shoe only (FWOT) and flatfoot with TCO (FWT) were collected in a 3D motion analysis laboratory and force plates. The MLA and lower limb biomechani
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Yildirim, B., N. Dimitrov, A. B. Abrahamsen, and A. Kolios. "A reduced order/simplified method for uncertainty quantification on the floating wind turbine design basis." Journal of Physics: Conference Series 2767, no. 8 (2024): 082013. http://dx.doi.org/10.1088/1742-6596/2767/8/082013.

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Abstract The cost of floating wind turbines (FWTs) is currently higher than onshore and bottom fixed offshore wind turbines. An important step towards more cost-efficient FWT structures is understanding the uncertainties and how they affect the design performance. On the path towards developing a fully probabilistic design approach, an important initial step is defining the variables and uncertainties that significantly impact the final design performance. This study aims to conduct a design sensitivity analysis on a FWT system consisting of the VolturnUS Semisubmersible floater coupled with a
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Tesis sobre el tema "FWTT"

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Hammoud, Oussama. "Étude de l’agressivité des pneumatiques sur les couches de roulement des structures routières." Electronic Thesis or Diss., Strasbourg, 2023. http://www.theses.fr/2023STRAD055.

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Le projet ANR BINARY vise à améliorer la compréhension et l'évaluation des mécanismes de détérioration des couches de roulement de chaussées sous trafic. Ce projet se concentre sur : i) l'arrachement des granulats d’enrobé bitumineux ; ii) la fissuration descendante ; iii) essayer de comprendre les contraintes et déformations impliquées ; iv) étudier l'influence des interfaces entre les couches d'enrobé ; et v) améliorer la prédiction de leur durée de vie.Avec le vieillissement du réseau routier, il est crucial d'avoir une meilleure connaissance des mécanismes de dégradation des couches de rou
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Rahman, Nazneen. "Localisation and characterisation of the familial tumour gene, FWT1." Thesis, Institute of Cancer Research (University Of London), 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314056.

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Jain, Rahul. "Carbon nanotube reinforced polyacrylonitrile and poly(etherketone) fibers." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/28257.

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Thesis (M. S.)--Polymer, Textile and Fiber Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Kumar, Satish; Committee Member: Bucknall, David; Committee Member: Griffin, Anselm; Committee Member: Shofner, Meisha; Committee Member: Yushin, Gleb
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Libros sobre el tema "FWTT"

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Sadler, Marilyn. Ump's fwat: An annual report for young people. Academy for Economic Education, 1993.

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1943-, Wilke Jürgen, ed. Agenturen im Nachrichtenmarkt: Reuters, AFP, VWD/dpa, dpa-fwt, KNA, epd, Reuters Television, Worldwide Television News, Dritte Welt-Agenturen. Böhlau, 1993.

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Multisensor Image Registration Utilizing The LoG Filter and FWT. Storming Media, 2003.

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Antriebssysteme fur die Gerate- und Kraftfahrzeugtechnik: Vortrage der ETG/FWT-Fachtagung vom 8. bis 9. Marz 1988 in Bad Nauheim. vde-verlag, 1988.

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Capítulos de libros sobre el tema "FWTT"

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Dhar, Pranab Kumar, and Tetsuya Shimamura. "Audio Watermarking Based on FWHT and LUD." In Advances in Audio Watermarking Based on Matrix Decomposition. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-15726-5_4.

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Dhar, Pranab Kumar, and Tetsuya Shimamura. "LWT-Based Audio Watermarking Using FWHT and SVD." In Advances in Audio Watermarking Based on Matrix Decomposition. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-15726-5_2.

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Soni, Badal, and Pradip K. Das. "Blur Invariant Block-Based CMFD System Using FWHT Features." In Image Copy-Move Forgery Detection. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-9041-9_4.

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Ghuli, Anand, Dayanand G. Savakar, and Shivanand Pujar. "Multiple Digital Image Watermarking Using SWT, FWHT and R, G, B Channel." In Advances in Intelligent Systems and Computing. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6067-5_38.

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"FWT-1." In Dictionary of Toxicology. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9283-6_1020.

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Ryser, Rudolph Carl, Dina Gilio-Whitaker, and Heidi G. Bruce. "Fourth World Theory and Methods of Inquiry." In Handbook of Research on Theoretical Perspectives on Indigenous Knowledge Systems in Developing Countries. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-0833-5.ch003.

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Fourth World Theory (FWT) emerged in the experience of political leaders and scholars seeking to explain the position of non-state nations and peoples in their political and sometimes violent interactions with other non-state nations and with states' governments that pursue dominance and control over territories and peoples inside claimed boundaries. The conceptual framework of FWT is rooted in the dynamic and evolving relationships between people, the land and the cosmos. Authors explain the globally shared Four Directions metaphor as symbolic of the relational connection of human experience
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Aboutalebi, Payam, Fares M’zoughi, Izaskun Garrido, and Aitor J. Garrido. "Nueva estrategia de control para la reducción de oscilaciones en turbinas eólicas flotantes." In XLII JORNADAS DE AUTOMÁTICA : LIBRO DE ACTAS. Servizo de Publicacións da UDC, 2021. http://dx.doi.org/10.17979/spudc.9788497498043.037.

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En este trabajo se ha propuesto una nueva estrategia de control para mejorar la estabilidad de turbinas eólicas flotantes (FWT). Al objeto de estudiar la reducción de oscilaciones no deseadas en el sistema, y en particular en los movimientos de cabeceo de la plataforma y de proa-popa de la nacelle, se ha considerado una plataforma tipo barcaza de forma cuadrada y equipada con cuatro columnas de agua oscilantes (OWC) colocadas de manera simétrica. De esta forma, las válvulas de control de flujo de aire de las cámaras de captura permiten operar las citadas columnas de aire para controlar los mov
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Dautro, Grazziany Moreira, Nathalya Marillya de Andrade Silva, Ana Lúcia Luna de Oliveira, Érica Caldas Silva de Oliveira, and Karla Patrícia de Oliveira Luna. "Social representations of the environment: A study at the weir spa in Santa Rita-PB, Brazil." In Essential studies focused on development area. Seven Editora, 2023. http://dx.doi.org/10.56238/iesfodav1-104.

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The study of Social Representations in Environmental Education has aroused interest in the Scientific community as it has been a way of understanding the behavior of individuals in relation to the Environment. In this sense this research sought to know and understand the social representations of the Environment built by residents, passers-by and frequenters of Balneário do Açude - Santa Rita - PB, Brazil. The instruments used for data collection were a questionnaire with questions or approaches to characterize the socio demographic profile of employees, the Free Word Association Test (FWAT) w
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Maity, Santi P. "Spread Spectrum Watermarking." In Digital Rights Management. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2136-7.ch026.

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Spread spectrum (SS) watermarking has proven to be efficient, robust and cryptographically secure. Each bit of watermark information is embedded over wide spectrum of the host signal based on spectrum spreading concept of SS modulation in digital communication and can easily be integrated with many existing data transmission scheme. This has made SS watermarking method more attractive during recent times for many non-conventional applications such as broadcast monitoring, security in communication, authentication and blind assessment of quality of services (QoS) for multimedia signals in mobil
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Maity, Santi P. "Spread Spectrum Watermarking." In Advanced Techniques in Multimedia Watermarking. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-61520-903-3.ch018.

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Spread spectrum (SS) watermarking has proven to be efficient, robust and cryptographically secure. Each bit of watermark information is embedded over wide spectrum of the host signal based on spectrum spreading concept of SS modulation in digital communication and can easily be integrated with many existing data transmission scheme. This has made SS watermarking method more attractive during recent times for many non-conventional applications such as broadcast monitoring, security in communication, authentication and blind assessment of quality of services (QoS) for multimedia signals in mobil
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Actas de conferencias sobre el tema "FWTT"

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Haase, Heiko, and Jürgen Nitsch. "Full-Wave Transmission-Line Theory (FWTLT) for the Analysis of Three-Dimensional Wire Like Structures." In 14th International Zurich Symposium and Technical Exposition on Electromagnetic Compatibility. IEEE, 2001. https://doi.org/10.23919/emc.2001.10792049.

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Snaiki, Reda, and Teng Wu. "Hurricane risk assessment of offshore wind turbines under changing climate." In IABSE Congress, Ghent 2021: Structural Engineering for Future Societal Needs. International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/ghent.2021.0241.

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&lt;p&gt;Offshore wind energy is attracting increasing attention across the North America. However, the offshore wind turbines along the East Coast are extremely vulnerable to hurricane-induced hazards. The vulnerability to hurricanes is expected to change due to global warming’s effects. This study quantifies the risk of floating wind turbines (FWTs) subjected to hurricane hazards under current and future climate scenarios. The hurricane hazard estimation is achieved using a hurricane track model which generates a large synthetic database of hurricanes allowing for accurate risk estimation. T
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Snaiki, Reda, and Teng Wu. "Hurricane risk assessment of offshore wind turbines under changing climate." In IABSE Congress, Ghent 2021: Structural Engineering for Future Societal Needs. International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/ghent.2021.0241.

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&lt;p&gt;Offshore wind energy is attracting increasing attention across the North America. However, the offshore wind turbines along the East Coast are extremely vulnerable to hurricane-induced hazards. The vulnerability to hurricanes is expected to change due to global warming’s effects. This study quantifies the risk of floating wind turbines (FWTs) subjected to hurricane hazards under current and future climate scenarios. The hurricane hazard estimation is achieved using a hurricane track model which generates a large synthetic database of hurricanes allowing for accurate risk estimation. T
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Wang, Shuaishuai, and Torgeir Moan. "Serviceability Limit State Assessment of Semi-Submersible Floating Wind Turbines." In ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/omae2023-108172.

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Abstract The design of a floating wind turbine (FWT) should satisfy the serviceability limit state (SLS) requirement for an efficient and safe operation throughout the entire work life. The SLS requirements are introduced by the owner/developer of the wind turbine facility to achieve serviceability (production of power) or an efficient operation of the facility or a “first step” towards ensuring safety. However, the owner/developer proposes the limiting values in terms of serviceability mainly according to the experience of onshore wind turbines or offshore oil and gas facilities, which are no
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Wen, Binrong, Qi Zhang, Haoxue Liu, et al. "An Experimental Apparatus for Investigating the Unsteady Aerodynamics of a Floating Wind Turbine." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95915.

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Abstract In our prior investigations, extensive numerical simulations have been conducted to reveal the unsteady aerodynamics of Floating Wind Turbine (FWT). To validate the simulation results and further deepen the corresponding topics, a dedicated experimental apparatus has been developed by the State Key Laboratory of Mechanical System and Vibration (SKL-MSV) and State Key Laboratory of Ocean Engineering (SKL-OE) at Shanghai Jiao Tong University (SJTU). The main modules of the test bed include a dedicated Wind Generation System (WGS), a Model Wind Turbine (MWT), a 6-DOF (Degree Of Freedom)
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Wang, Shuaishuai, Torgeir Moan, Shan Gao, Wei Li, and Zhen Gao. "Analysis of Static, Dynamic, Global, and Local Load Effects for Ultimate Limit State Assessment of Semi-Submersible Hulls of Floating Wind Turbines." In ASME 2024 43rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/omae2024-127745.

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Abstract Very limited research has been conducted on structural load effect analysis and design checks of large semi-submersible floating wind turbines (FWTs). Determining the combined static, dynamic, global, and local load effects in FWT is essential for the ultimate limit state (ULS) assessment of the floaters. This paper deals with the complex structural load effects for ULS analysis of column structures of a 10-MW semi-submersible FWT. First, a multi-body numerical modeling approach is employed to develop the floater model in a fully coupled FWT system to capture the time domain internal
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Yang, Can, Longfei Xiao, Peng Chen, and Zhengshun Cheng. "Effects of Controller Dynamics on Aerodynamic Damping of a Semi-Submersible Floating Wind Turbine." In ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/omae2023-101929.

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Abstract Aerodynamic damping is essential in suppressing resonant responses of a floating wind turbine (FWT) under operation conditions. However, aerodynamic damping has not been investigated thoroughly due to its nonlinearity, interaction with floater motions, and effects on controller dynamics. The effects of controller dynamics have been explored in the present study to understand aerodynamic damping better using fully coupled time-domain simulations. The aerodynamic damping in surge and pitch motions are obtained through the comparisons of decay tests with and without wind actions in still
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Vita, Luca, G. K. V. Ramachandran, Antonia Krieger, et al. "Comparison of Numerical Models and Verification Against Experimental Data, Using Pelastar TLP Concept." In ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-41874.

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The analysis of a FWT is a complex problem, which requires advanced tools. Several numerical solutions have been used to couple hydrodynamics and aerodynamics and some of the available numerical tools have been compared in code-to-code comparisons. However the code validation for analysis of FWTs is limited by the number of available experimental data. In the present article, DNV GL and Glosten present a code comparison of four numerical tools against model test results. The design used for the analysis is the Pelastar Tension Leg Platform (TLP) by Glosten. A 1/50 downscaled model of the platf
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Wang, Shuaishuai, and Torgeir Moan. "Initial Global Design for Three-Column Semi-Submersible Hulls of a 15-MW Floating Wind Turbine." In ASME 2023 5th International Offshore Wind Technical Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/iowtc2023-119504.

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Abstract Support structure design of floating wind turbines (FWTs) is an iterative process, which can be accomplished into three phases, named 1) selecting of floater type (barge, semi, spar, TLP, etc.); 2) determining global dimensions for a given floater type; 3) determining scantlings of the floater based on detailed design. This study deals with the design phase 2), namely initial global design, for a three-column semi-submersible hull for a 15-MW FWT. An efficient and effective methodology, which was developed by authors in a previous study and successfully used for the global design of a
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Wu, Junyi, and Nian-Zhong Chen. "Fracture Mechanics Based Fatigue Assessment for a Spar-Type Floating Wind Turbine." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-61568.

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Floating wind turbines (FWTs) are exposed to dynamic and cyclic environmental loads during their service life. Fatigue assessment has become an important aspect in the design phase of a FWT. A fracture mechanics (FM) based fatigue assessment was performed for the 12 points around the tower base of a 5 MW floating wind turbine supported on a spar platform. The aligned wind and waves are selected as environmental conditions for the fatigue assessment. The stress ranges on the wind turbine tower base are achieved through a rainflow counting method based on the results from the time-domain analysi
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