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Breaking Wave Loads And Stress Analysis Of Jacket Structures Supporting Offshore Wind Turbines
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Book Synopsis Breaking Wave Loads and Stress Analysis of Jacket Structures Supporting Offshore Wind Turbines by : Louise Claire Devaney
Download or read book Breaking Wave Loads and Stress Analysis of Jacket Structures Supporting Offshore Wind Turbines written by Louise Claire Devaney and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book MARE-WINT written by Wiesław Ostachowicz and published by Springer. This book was released on 2016-08-30 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a holistic, interdisciplinary overview of offshore wind energy, and is a must-read for advanced researchers. Topics, from the design and analysis of future turbines, to the decommissioning of wind farms, are covered. The scope of the work ranges from analytical, numerical and experimental advancements in structural and fluid mechanics, to novel developments in risk, safety & reliability engineering for offshore wind.The core objective of the current work is to make offshore wind energy more competitive, by improving the reliability, and operations and maintenance (O&M) strategies of wind turbines. The research was carried out under the auspices of the EU-funded project, MARE-WINT. The project provided a unique opportunity for a group of researchers to work closely together, undergo multidisciplinary doctoral training, and conduct research in the area of offshore wind energy generation. Contributions from expert, external authors are also included, and the complete work seeks to bridge the gap between research and a rapidly-evolving industry.
Book Synopsis Environmental Load Factors and System Strength Evaluation of Offshore Jacket Platforms by : Zafarullah Nizamani
Download or read book Environmental Load Factors and System Strength Evaluation of Offshore Jacket Platforms written by Zafarullah Nizamani and published by Springer. This book was released on 2015-01-27 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a study for the determination of environmental load factors for Jacket Platforms in Malaysia and a methodology to determine the life extension of aging platforms. The simplified methods described here could be used for determining not only structural reliability but also safety factors. Its content is particularly interesting to design and maintenance engineers who are working in offshore or onshore industry.
Book Synopsis Recent Trends in Civil Engineering by : Arjun Sil
Download or read book Recent Trends in Civil Engineering written by Arjun Sil and published by Springer Nature. This book was released on 2022-10-03 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the select proceedings of International Conference on Recent Advancements in Civil Engineering (ICRACE) 2021. Various topics covered include theory and advanced technology of engineering structure, high-rise structure and large-span, structure, bridge and tunnel engineering, advanced concrete technology, durable structures, building energy conservation and green architecture, disaster management, smart structures and materials, soil and rock mechanics, geotechnology, hydraulic and hydro-power engineering, road & bridge engineering, and sustainable transportation infrastructures. This book will be useful for researchers and professionals working in the area of civil engineering and allied fields.
Book Synopsis Structural Reliability of Offshore Wind Turbines by : Puneet Agarwal
Download or read book Structural Reliability of Offshore Wind Turbines written by Puneet Agarwal and published by . This book was released on 2008 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Statistical extrapolation is required to predict extreme loads, associated with a target return period, for offshore wind turbines. In statistical extrapolation, "short-term" distributions of the load random variable(s) conditional on the environment are integrated with the joint probability distribution of environmental random variables (from wind, waves, current etc.) to obtain the so-called "long-term" distribution, from which long-term loads may be obtained for any return period. The accurate prediction of long-term extreme loads for offshore wind turbines, using efficient extrapolation procedures, is our main goal. While loads data, needed for extrapolation, are obtained by simulations in a design scenario, field data can be valuable for understanding the offshore environment and the resulting turbine response. We use limited field data from a 2MW turbine at the Blyth site in the United Kingdom, and study the influence of contrasting environmental (wind) regimes and associated waves at this site on long-term loads, derived using extrapolation. This study also highlights the need for efficient extrapolation procedures and for modeling nonlinear waves at sites with shallow water depths. An important first step in extrapolation is to establish robust short-term distributions of load extremes. Using data from simulations of a 5MW onshore turbine model, we compare empirical short-term load distributions when two alternative models for extremes--global and block maxima--are used. We develop a convergence criterion, based on controlling the uncertainty in rare load fractiles, which serves to assess whether or not an adequate number of simulations has been performed. To establish long-term loads for a 5MW offshore wind turbine, we employ an inverse reliability approach, which is shown to predict reasonably accurate long-term loads, compared to a more expensive direct integration approach. We show that blade pitching control actions can be a major source of response variability, due to which a large number of simulations may be required to obtain stable tails of short-term load distributions, and to predict accurate ultimate loads. We address model uncertainty as it pertains to wave models. We investigate the effect of using irregular nonlinear (second-order) waves, compared to irregular linear waves, on loads for an offshore wind turbine. We incorporate this nonlinear irregular wave model into a procedure for integrated wind-wave-response analysis of offshore wind turbines. We show that computed loads are generally somewhat larger with nonlinear waves and, hence, that modeling nonlinear waves is important is response simulations of offshore wind turbines and prediction of long-term loads.
Book Synopsis Floating Offshore Wind Energy by : Joao Cruz
Download or read book Floating Offshore Wind Energy written by Joao Cruz and published by Springer. This book was released on 2016-08-20 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a state-of-the-art review of floating offshore wind turbines (FOWT). It offers developers a global perspective on floating offshore wind energy conversion technology, documenting the key challenges and practical solutions that this new industry has found to date. Drawing on a wide network of experts, it reviews the conception, early design stages, load & structural analysis and the construction of FOWT. It also presents and discusses data from pioneering projects. Written by experienced professionals from a mix of academia and industry, the content is both practical and visionary. As one of the first titles dedicated to FOWT, it is a must-have for anyone interested in offshore renewable energy conversion technologies.
Book Synopsis Hydrodynamics of Breaking Waves on Offshore Wind Turbines Structures by : Arndt Hildebrandt
Download or read book Hydrodynamics of Breaking Waves on Offshore Wind Turbines Structures written by Arndt Hildebrandt and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1990 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Developments in Maritime Transportation and Exploitation of Sea Resources by : Carlos Guedes Soares
Download or read book Developments in Maritime Transportation and Exploitation of Sea Resources written by Carlos Guedes Soares and published by CRC Press. This book was released on 2013-10-07 with total page 1136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covering recent developments in maritime transportation and exploitation of sea resources, encompassing ocean and coastal areas, this book is intended for academics and professionals involved in the development of marine transportation and the exploitation of sea resources.
Book Synopsis Dynamic Performance of Coastal and Offshore Structures Under Combined Wind and Wave Loadings by : Xuan Li
Download or read book Dynamic Performance of Coastal and Offshore Structures Under Combined Wind and Wave Loadings written by Xuan Li and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Civil structures located in the coastal or offshore regions are subjected to continuous wind and wave loads. Structural reliability and survivability could be significantly reduced, especially during extreme weather events. Detailed analyses of wind and wave characteristics, interactions between wind and wave loads and structures, and structural performances under such loads are essential to be carried out. Depending on the locations of the structures, both environmental conditions and structural designs can vary with each other significantly. Structures located in the coastal region could experience combined wind and wave events during hurricanes, and coastal structural assessment is usually performed under extreme weather events with a high return period to inspect the structural survivability. Meanwhile, waves usually get dissipated while arriving at the shorelines by some resilience options. However, offshore structures located in deep seas are subjected to higher wind and more violent waves with strong correlations. The complicated and harsh environmental conditions at deep seas could inevitably result in more significant structural dynamic responses. With years of service, fatigue damages could be critical and affect structural safety and serviceability. A general numerical framework in structural performance assessment for both coastal and offshore structures under wind and wave loads is developed in this dissertation. Two typical coastal and offshore structures are discussed. For coastal residential buildings, a combination of computational fluid dynamics (CFD) simulation and finite element modeling (FEM) is implemented to evaluate the building vulnerability during extreme weather events. Furthermore, the effect of breakwaters serving as the coastal protective measure on building safety is also investigated. For floating offshore wind turbines, both statistical models and machine learning models are applied to evaluate fatigue damage accumulations considering uncertainties from realistic environmental conditions. The canonical vine (C-vine) copula model is established to model the multivariate dependency structure for on-site wind and wave-related environmental parameters. Two surrogate models, including the Kriging model and the artificial neural network (ANN), are used to efficiently predict short-term fatigue damages at critical locations. A novel physics-informed deep learning model is also established to efficiently obtain structural dynamic responses under different disturbances.
Book Synopsis Civil Engineering Hydraulics Abstracts by :
Download or read book Civil Engineering Hydraulics Abstracts written by and published by . This book was released on 1984 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design Considerations for Monopile Founded Offshore Wind Turbines Subject to Breaking Waves by : Garrett Reese Owens
Download or read book Design Considerations for Monopile Founded Offshore Wind Turbines Subject to Breaking Waves written by Garrett Reese Owens and published by . This book was released on 2013 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: The majority of offshore wind farms utilize monopile substructures. As these wind farms are typically located in water depths less than 30 meters, the effect of breaking waves on these structures is of great concern to design engineers. This research investigation examines many of the practical considerations and alternative ways of estimating breaking wave forces. A survey of existing European wind farms is used to establish a realistic range of basic design parameters. Based upon this information a parametric study was pursued and a series of realistic design scenarios were evaluated. Comparisons include the sensitivity to the wave force model as well as to analytical and numerical wave theories used to evaluate the wave kinematics. In addition, the effect of different kinematics stretching techniques for linear waves is addressed. Establishing whether the bathymetry will induce spilling or plunging wave breaking is critical. Spilling wave breaking can be addressed using existing wave and wave force theories; however for plunging wave breaking an additional impact force must be introduced. Dimensionless design curves are used to display pertinent trends across the full range of design cases considered. This research study provides insight into the evaluation of the maximum breaking wave forces and overturning moment for both spilling and plunging breaking waves as a function of bottom slope. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/148179
Book Synopsis Marine Structural Design by : Yong Bai
Download or read book Marine Structural Design written by Yong Bai and published by Butterworth-Heinemann. This book was released on 2015-09-18 with total page 1010 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine Structural Design, Second Edition, is a wide-ranging, practical guide to marine structural analysis and design, describing in detail the application of modern structural engineering principles to marine and offshore structures. Organized in five parts, the book covers basic structural design principles, strength, fatigue and fracture, and reliability and risk assessment, providing all the knowledge needed for limit-state design and re-assessment of existing structures. Updates to this edition include new chapters on structural health monitoring and risk-based decision-making, arctic marine structural development, and the addition of new LNG ship topics, including composite materials and structures, uncertainty analysis, and green ship concepts. Provides the structural design principles, background theory, and know-how needed for marine and offshore structural design by analysis Covers strength, fatigue and fracture, reliability, and risk assessment together in one resource, emphasizing practical considerations and applications Updates to this edition include new chapters on structural health monitoring and risk-based decision making, and new content on arctic marine structural design
Book Synopsis Breaking Wave Loads on Immersed Members of Offshore Structures by : R.C.T. Rainey
Download or read book Breaking Wave Loads on Immersed Members of Offshore Structures written by R.C.T. Rainey and published by . This book was released on 1991 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design Aids of Offshore Structures Under Special Environmental Loads including Fire Resistance by : Srinivasan Chandrasekaran
Download or read book Design Aids of Offshore Structures Under Special Environmental Loads including Fire Resistance written by Srinivasan Chandrasekaran and published by Springer. This book was released on 2018-01-12 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides detailed analysis methods and design guidelines for fire resistance, a vital consideration for offshore processing and production platforms. Recent advancements in the selection of various geometric structural forms for deep-water oil exploration and production require a detailed understanding of the design of offshore structures under special loads. Focusing on a relatively new aspect of offshore engineering, the book offers essential teaching material, illustrating and explaining the concepts discussed through many tutorials. It creates a basis for designing new courses for students of ocean engineering and naval architecture, civil engineering, and applied mechanics at both undergraduate and graduate levels. As such, its content can be used for self-study or as a text in structured courses and professional development programs.
Book Synopsis Dynamic Analysis and Design of Offshore Structures by : Srinivasan Chandrasekaran
Download or read book Dynamic Analysis and Design of Offshore Structures written by Srinivasan Chandrasekaran and published by Springer. This book was released on 2017-10-12 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces readers to various types of offshore platform geometries. It addresses the various environmental loads encountered by these structures, and provides detailed descriptions of the fundamentals of structural dynamics in a classroom style, helping readers estimate damping in offshore structures and grasp these aspects’ applications in preliminary analysis and design. Basic concepts of structural dynamics are emphasized through simple illustrative examples and exercises. Design methodologies and guidelines, which are FORM based concepts, are explained through a selection of applied sample structures. Each chapter also features tutorials and exercises for self-learning. A dedicated chapter on stochastic dynamics helps students to extend the basic concepts of structural dynamics to this advanced domain of research. Hydrodynamic response of offshore structures with perforated members is one of the most recent research applications, and has proven to be one of the most effective means of retrofitting offshore structures. In addition, the book integrates the concepts of structural dynamics with the FORM-evolved design of offshore structures, offering a unique approach. This new edition is divided into seven chapters, each of which has been updated. Each chapter also includes a section on frequently asked Questions and Answers (Q&A), which enhances understanding of this complex subject through easy and self-explanatory text. Furthermore, the book presents valuable content with respect to new and recent research carried out by the author in structural dynamics. All numeric examples have been re-checked with more additional explanations. New exercises have been added to improve understanding of the subject matter. Computer coding is also included (wherever possible) to aid computer-based learning of the contents of the book. The book can serve as a textbook for senior undergraduate and graduate courses in civil, structural, applied mechanics, mechanical, aerospace, naval architecture and ocean engineering programs. The book can also serve as a text for professional learning and development programs or as a guide for practicing and consulting offshore structural engineers. The contents of this book will be useful to graduate students, researchers, and professionals alike.
Book Synopsis Sea Loads on Ships and Offshore Structures by : O. Faltinsen
Download or read book Sea Loads on Ships and Offshore Structures written by O. Faltinsen and published by Cambridge University Press. This book was released on 1993-09-23 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: After introducing the theory of the structural loading on ships and offshore structures based on the motions of wind, waves and currents, this text demonstrates its applications to conventional and non-conventional sea vessels, including extensive exercises and examples.
