Nonlinear Waves And Offshore Structures

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Nonlinear Waves and Offshore Structures

Author : Cheung Hun Kim
Publisher : World Scientific
ISBN 13 : 9810248849
Total Pages : 539 pages
Book Rating : 4.8/5 (12 download)

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Book Synopsis Nonlinear Waves and Offshore Structures by : Cheung Hun Kim

Download or read book Nonlinear Waves and Offshore Structures written by Cheung Hun Kim and published by World Scientific. This book was released on 2008 with total page 539 pages. Available in PDF, EPUB and Kindle. Book excerpt: The responses of offshore structures are significantly affected by steep nonlinear waves, currents and wind, leading to phenomena such as springing and ringing of TLPs, slow drift yaw motion of FPSOs and large oscillations of Spar platforms due to vortex shedding. Research has brought about significant progress in this field over the past few decades and introduced us to increasingly involved concepts and their diverse applicability. Thus, an in-depth understanding of steep nonlinear waves and their effects on the responses of offshore structures is essential for safe and effective designs.This book deals with analyses of nonlinear problems encountered in the design of offshore structures, as well as those that are of immediate practical interest to ocean engineers and designers. It presents conclusions drawn from recent research pertinent to nonlinear waves and their effects on the responses of offshore structures. Theories, observations and analyses of laboratory and field experiments are expounded such that the nonlinear effects can be clearly visualized.

The Effects of Random and Nonlinear Waves on Coastal and Offshore Structures

Author : Benjamin Y. -H. Chen
Publisher :
ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (189 download)

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Book Synopsis The Effects of Random and Nonlinear Waves on Coastal and Offshore Structures by : Benjamin Y. -H. Chen

Download or read book The Effects of Random and Nonlinear Waves on Coastal and Offshore Structures written by Benjamin Y. -H. Chen and published by . This book was released on 1987 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wave effects on coastal and offshore structures have been studied for more than two decades. Nevertheless, the dynamic behaviors of those structures due to a real sea state, considering the features of randomness, nonlinearity, and directionality, have seldom been investigated. In this report, random and nonlinear wave effects on those structures have been examined analytically. The first part presents a new model of a linear random wave force transformation on a sloping beach as the waves propagate from offshore toward the shore. The second part investigates the effect of nonlinear wave interactions on the dynamic response of a fixed offshore structure. The third part examines the effect of wave groups and an associated forced second-order wave system on the dynamic response of a fixed offshore structure. The results of this report show that random and nonlinear waves play important roles on the dynamic behaviors of coastal and offshore structures. Keywords: Ocean waves, Coastal structures; Random waves; Wave force transformation.

Nonlinear Dynamics of Compliant Offshore Structures

Author : Patrick Bar-Avi
Publisher : Routledge
ISBN 13 : 1351428241
Total Pages : 181 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Nonlinear Dynamics of Compliant Offshore Structures by : Patrick Bar-Avi

Download or read book Nonlinear Dynamics of Compliant Offshore Structures written by Patrick Bar-Avi and published by Routledge. This book was released on 2017-12-04 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph provides a general background to the modelling of a special class of offshore structures known as compliant structures. External forcing is resisted by buoyancy and tension forces which increase when the structure is slightly offset from its equilibrium. The technical development given in this book is presented in such a way as to highlight the adaptability of the modelling, and the reader is shown how the techniques described can be applied to a variety of different offshore structures.

Nonlinear and Stochastic Dynamics of Compliant Offshore Structures

Author : Seon Mi Han
Publisher : Springer Science & Business Media
ISBN 13 : 9401599122
Total Pages : 281 pages
Book Rating : 4.4/5 (15 download)

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Book Synopsis Nonlinear and Stochastic Dynamics of Compliant Offshore Structures by : Seon Mi Han

Download or read book Nonlinear and Stochastic Dynamics of Compliant Offshore Structures written by Seon Mi Han and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this monograph is to show how a compliant offshore structure in an ocean environment can be modeled in two and three di mensions. The monograph is divided into five parts. Chapter 1 provides the engineering motivation for this work, that is, offshore structures. These are very complex structures used for a variety of applications. It is possible to use beam models to initially study their dynamics. Chapter 2 is a review of variational methods, and thus includes the topics: princi ple of virtual work, D'Alembert's principle, Lagrange's equation, Hamil ton's principle, and the extended Hamilton's principle. These methods are used to derive the equations of motion throughout this monograph. Chapter 3 is a review of existing transverse beam models. They are the Euler-Bernoulli, Rayleigh, shear and Timoshenko models. The equa tions of motion are derived and solved analytically using the extended Hamilton's principle, as outlined in Chapter 2. For engineering purposes, the natural frequencies of the beam models are presented graphically as functions of normalized wave number and geometrical and physical pa rameters. Beam models are useful as representations of complex struc tures. In Chapter 4, a fluid force that is representative of those that act on offshore structures is formulated. The environmental load due to ocean current and random waves is obtained using Morison's equa tion. The random waves are formulated using the Pierson-Moskowitz spectrum with the Airy linear wave theory.

Nonlinear Wave Loads on Offshore Structures

Author : Jonny Klepsvik
Publisher :
ISBN 13 :
Total Pages : 110 pages
Book Rating : 4.:/5 (339 download)

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Book Synopsis Nonlinear Wave Loads on Offshore Structures by : Jonny Klepsvik

Download or read book Nonlinear Wave Loads on Offshore Structures written by Jonny Klepsvik and published by . This book was released on 1995 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nonlinear Methods in Offshore Engineering

Author : Subrata Kumar Chakrabarti
Publisher : Elsevier Publishing Company
ISBN 13 :
Total Pages : 572 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Nonlinear Methods in Offshore Engineering by : Subrata Kumar Chakrabarti

Download or read book Nonlinear Methods in Offshore Engineering written by Subrata Kumar Chakrabarti and published by Elsevier Publishing Company. This book was released on 1990 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this book is to report the state-of-the-art of the available and emerging techniques for the determination of extreme responses of a marine structure. This book is intended to be a textbook on the analysis of nonlinear problems generally encountered in an offshore structure design. The book stresses the application of nonlinear theories to practical design problems.

Nonlinear Dynamics of Compliant Offshore Structures

Author : Patrick Bar-Avi
Publisher : CRC Press
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Nonlinear Dynamics of Compliant Offshore Structures by : Patrick Bar-Avi

Download or read book Nonlinear Dynamics of Compliant Offshore Structures written by Patrick Bar-Avi and published by CRC Press. This book was released on 1997 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Outlines the theoretical basis for modelling nonlinear dynamics in a range of compliant offshore structures, and details the application of the theory to the physical environment.

Nonlinear Wave Forces on Large Offshore Structures

Author : Michael Isaacson
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.:/5 (456 download)

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Book Synopsis Nonlinear Wave Forces on Large Offshore Structures by : Michael Isaacson

Download or read book Nonlinear Wave Forces on Large Offshore Structures written by Michael Isaacson and published by . This book was released on 1981 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hydrodynamics of Offshore Structures

Author : Subrata Kumar Chakrabarti
Publisher : WIT Press
ISBN 13 : 090545166X
Total Pages : 459 pages
Book Rating : 4.9/5 (54 download)

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Book Synopsis Hydrodynamics of Offshore Structures by : Subrata Kumar Chakrabarti

Download or read book Hydrodynamics of Offshore Structures written by Subrata Kumar Chakrabarti and published by WIT Press. This book was released on 1987 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subject of hydrodynamics applied to offshore structures is vast. The topics covered in this book aim to help the reader understand basic principles while at the same time giving the designer enough information for particular designs. Thus, results are given with derivations, and applications are discussed with the aid of examples, with an overview of the advantages and limitations of the method involved. This makes the book suitable as a text for undergraduate and graduate students specializing in offshore and ocean engineering.

An Integrated Nonlinear Wind-Waves Model for Offshore Wind Turbines

Author : Enzo Marino
Publisher : Firenze University Press
ISBN 13 : 8866550515
Total Pages : 232 pages
Book Rating : 4.8/5 (665 download)

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Book Synopsis An Integrated Nonlinear Wind-Waves Model for Offshore Wind Turbines by : Enzo Marino

Download or read book An Integrated Nonlinear Wind-Waves Model for Offshore Wind Turbines written by Enzo Marino and published by Firenze University Press. This book was released on 2010 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a numerical model capable of simulating offshore wind turbines exposed to extreme loading conditions. External condition-based extreme responses are reproduced by coupling a fully nonlinear wave kinematic solver with a hydro-aero-elastic simulator. First, a two-dimensional fully nonlinear wave simulator is developed. The transient nonlinear free surface problem is formulated assuming the potential theory and a high-order boundary element method is implemented to discretize Laplace's equation. For temporal evolution a second-order Taylor series expansion is used. The code, after validation with experimental data, is successfully adopted to simulate overturning plunging breakers which give rise to dangerous impact loads when they break against wind turbine substructures. Emphasis is then placed on the random nature of the waves. Indeed, through a domain decomposition technique a global simulation framework embedding the numerical wave simulator into a more general stochastic environment is developed. The proposed model is meant as a contribution to meet the more and more pressing demand for research in the offshore wind energy sector as it permits taking into account dangerous effects on the structural response so as to increase the global structural safety level.

Nonlinear Analysis of Offshore Structures

Author : Bjørn Skallerud
Publisher :
ISBN 13 :
Total Pages : 348 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Nonlinear Analysis of Offshore Structures by : Bjørn Skallerud

Download or read book Nonlinear Analysis of Offshore Structures written by Bjørn Skallerud and published by . This book was released on 2002 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: The importance of accounting for nonlinear effects in offshore structures has increased due to their higher utilization and extended service lives. This text addresses new methods for advanced analysis of offshore structures developed during the 1990s.

Advances in Numerical Simulation of Nonlinear Water Waves

Author : Qingwei Ma
Publisher : World Scientific
ISBN 13 : 9812836500
Total Pages : 700 pages
Book Rating : 4.8/5 (128 download)

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Book Synopsis Advances in Numerical Simulation of Nonlinear Water Waves by : Qingwei Ma

Download or read book Advances in Numerical Simulation of Nonlinear Water Waves written by Qingwei Ma and published by World Scientific. This book was released on 2010 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ch. 1. Model for fully nonlinear ocean wave simulations derived using Fourier inversion of integral equations in 3D / J. Grue and D. Fructus -- ch. 2. Two-dimensional direct numerical simulations of the dynamics of rogue waves under wind action / J. Touboul and C. Kharif -- ch. 3. Progress in fully nonlinear potential flow modeling of 3D extreme ocean waves / S.T. Grilli [und weitere] -- ch. 4. Time domain simulation of nonlinear water waves using spectral methods / F. Bonnefoy [und weitere] -- ch. 5. QALE-FEM method and its application to the simulation of free-responses of floating bodies and overturning waves / Q.W. Ma and S. Yan -- ch. 6. Velocity calculation methods in finite element based MEL formulation / V. Sriram, S.A. Sannasiraj and V. Sundar -- ch. 7. High-order Boussinesq-type modelling of nonlinear wave phenomena in deep and shallow water / P.A. Madsen and D.R. Fuhrman -- ch. 8. Inter-comparisons of different forms of higher-order Boussinesq equations / Z.L. Zou, K.Z. Fang and Z.B. Liu -- ch. 9. Method of fundamental solutions for fully nonlinear water waves / D.-L. Young, N.-J. Wu and T.-K. Tsay -- ch. 10. Application of the finite volume method to the simulation of nonlinear water waves / D. Greaves -- ch. 11. Developments in multi-fluid finite volume free surface capturing method / D.M. Causon, C.G. Mingham and L. Qian -- ch. 12. Numerical computation methods for strongly nonlinear wave-body interactions / M. Kashiwagi, C. Hu and M. Sueyoshi -- ch. 13. Smoothed particle hydrodynamics for water waves / R.A. Dalrymple [und weitere] -- ch. 14. Modelling nonlinear water waves with RANS and LES SPH models / R. Issa [und weitere] -- ch. 15. MLPG_R method and Its application to various nonlinear water waves / Q.W. Ma -- ch. 16. Large Eddy simulation of the hydrodynamics generated by breaking waves / P. Lubin and J.-P. Caltagirone -- ch. 17. Recent advances in turbulence modeling for unsteady breaking waves / Q. Zhao and S.W. Armfield -- ch. 18. Freak waves and their interaction with ships and offshore structures / G.F. Clauss

Offshore Structure Modeling

Author : Subrata Kumar Chakrabarti
Publisher : World Scientific
ISBN 13 : 9810215134
Total Pages : 494 pages
Book Rating : 4.8/5 (12 download)

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Book Synopsis Offshore Structure Modeling by : Subrata Kumar Chakrabarti

Download or read book Offshore Structure Modeling written by Subrata Kumar Chakrabarti and published by World Scientific. This book was released on 1994 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: While the existing literature on offshore structures touch on model testing, a comprehensive text discussing the design, construction, instrumentation, testing and analysis of the physical model is lacking. This book fills that vacuum and provides, through its survey of the theoretical and practical aspects of physical modeling, an in-depth coverage of the technology of model testing. Its usefulness runs through the entire field of engineering, reaching far beyond its focus on offshore construction; and its breadth of scope should appeal not only to engineers and naval architects but to scientists interested in structural or hydraulic testing as well.

Waves And Wave Forces On Coastal And Ocean Structures

Author : Robert T Hudspeth
Publisher : World Scientific
ISBN 13 : 9814483982
Total Pages : 954 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Waves And Wave Forces On Coastal And Ocean Structures by : Robert T Hudspeth

Download or read book Waves And Wave Forces On Coastal And Ocean Structures written by Robert T Hudspeth and published by World Scientific. This book was released on 2006-04-26 with total page 954 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on: (1) the physics of the fundamental dynamics of fluids and of semi-immersed Lagrangian solid bodies that are responding to wave-induced loads; (2) the scaling of dimensional equations and boundary value problems in order to determine a small dimensionless parameter ε that may be applied to linearize the equations and the boundary value problems so as to obtain a linear system; (3) the replacement of differential and integral calculus with algebraic equations that require only algebraic substitutions instead of differentiations and integrations; and (4) the importance of comparing numerical and analytical computations with data from laboratories and/or nature.

Wave Forces on Offshore Structures

Author : Turgut Sarpkaya
Publisher : Cambridge University Press
ISBN 13 : 0521896258
Total Pages : 337 pages
Book Rating : 4.5/5 (218 download)

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Book Synopsis Wave Forces on Offshore Structures by : Turgut Sarpkaya

Download or read book Wave Forces on Offshore Structures written by Turgut Sarpkaya and published by Cambridge University Press. This book was released on 2010-02-26 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a thorough understanding of the interaction of waves and currents with offshore structures.

Nonlinear Effects in Hydrodynamic Waves with Some Applications to Offshore Structures

Author : Ove T. Gudmestad
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (349 download)

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Book Synopsis Nonlinear Effects in Hydrodynamic Waves with Some Applications to Offshore Structures by : Ove T. Gudmestad

Download or read book Nonlinear Effects in Hydrodynamic Waves with Some Applications to Offshore Structures written by Ove T. Gudmestad and published by . This book was released on 1984 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dynamics of Offshore Structures

Author : James F. Wilson
Publisher : John Wiley & Sons
ISBN 13 : 0471275654
Total Pages : 343 pages
Book Rating : 4.4/5 (712 download)

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Book Synopsis Dynamics of Offshore Structures by : James F. Wilson

Download or read book Dynamics of Offshore Structures written by James F. Wilson and published by John Wiley & Sons. This book was released on 2003-01-03 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unique, cutting-edge material on structural dynamics and natural forces for offshore structures Using the latest advances in theory and practice, Dynamics of Offshore Structures, Second Edition is extensively revised to cover all aspects of the physical forces, structural modeling, and mathematical methods necessary to effectively analyze the dynamic behavior of offshore structures. Both closed-form solutions and the Mathematica(r) software package are used in many of the up-to-date example problems to compute the deterministic and stochastic structural responses for such offshore structures as buoys; moored ships; and fixed-bottom, cable-stayed, and gravity-type platforms. Throughout the book, consideration is given to the many assumptions involved in formulating a structural model and to the natural forces encountered in the offshore environment. These analyses focus on plane motions of elastic structures with linear and nonlinear restraints, as well as motions induced by the forces of currents, winds, earthquakes, and waves, including the latest theories and information on wave mechanics. Topics addressed include multidegree of freedom linear structures, continuous system analysis (including the motion of cables and pipelines), submerged pile design, structural modal damping, fluid-structure-soil interactions, and single degree of freedom structural models that, together with plane wave loading theories, lead to deterministic or time history predictions of structural responses. These analyses are extended to statistical descriptions of both wave loading and structural motion. Dynamics of Offshore Structures, Second Edition is a valuable text for students in civil and mechanical engineering programs and an indispensable resource for structural, geotechnical, and construction engineers working with offshore projects.