wave mechanics and wave loads on marine structures

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Wave Mechanics And Wave Loads On Marine Structures

Author : Paolo Boccotti
ISBN : 9780128004135
Genre : Technology & Engineering
File Size : 62. 44 MB
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Wave Mechanics and Wave Loads on Marine Structures provides a new perspective on the calculation of wave forces on ocean structures, unifying the deterministic and probabilistic approaches to wave theory and combining the methods used in field and experimental measurement. Presenting his quasi-determinism (QD) theory and approach of using small-scale field experiments (SSFEs), author Paolo Boccotti simplifies the findings and techniques honed in his ground-breaking work to provide engineers and researchers with practical new methods of analysis. Including numerous worked examples and case studies, Wave Mechanics and Wave Loads on Marine Structures also discusses and provides useful FORTRAN programs, including a subroutine for calculating particle velocity and acceleration in wave groups, and programs for calculating wave loads on several kinds of structures. Solves the conceptual separation of deterministic and stochastic approaches to wave theory seen in other resources through the application of quasi-determinism (QD) theory Combines the distinct experimental activities of field measurements and wave tank experiment using small-scale field experiments (SSFEs) Simplifies and applies the ground-breaking work and techniques of this leading expert in wave theory and marine construction

Wave Mechanics For Ocean Engineering

Author : Paolo Boccotti
ISBN : 0080543723
Genre : Science
File Size : 63. 15 MB
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In a unitary way, this monograph deals with a wide range of subjects related to the mechanics of sea waves. The book highlights recent theoretical results on the dynamics of random wind-generated waves, on long-term wave statistics, and on beach planform evolution. A fresh approach is given to more traditional concepts. For example, new evidence from a recent series of small-scale field experiments is used to introduce some crucial topics like wave forces. Also, the book gives some worked examples for the design of offshore or coastal structures. An exciting subject dealt with in the book is the quasi-deterministic mechanics of three-dimensional wave groups in sea storms, and the loads exerted by these wave groups on offshore structures. The text is intended for researchers and graduate students in ocean engineering, but may also be understood by undergraduates. The more complex concepts are explained with examples or more extensive case studies.

Ocean Wave Mechanics

Author : V. Sundar
ISBN : 9781119241638
Genre : Science
File Size : 27. 42 MB
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Ocean Wave Mechanics: Applications in Marine Structures

Sea Loads On Ships And Offshore Structures

Author : O. Faltinsen
ISBN : 0521458706
Genre : Technology & Engineering
File Size : 37. 96 MB
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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.

Offshore Mechanics

Author : Madjid Karimirad
ISBN : 9781119216629
Genre : Technology & Engineering
File Size : 67. 32 MB
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Offshore Mechanics: Structural and Fluid Dynamics for Recent Applications is a textbook which covers theoretical concepts in offshore mechanics with consideration to new applications. Whereas most of the books currently available in the field of offshore mechanics use traditional oil, gas, and ship industry examples in order to explain the fundamentals in offshore mechanics, this book uses more recent applications including offshore wind farms, ocean energy devices, aquaculture, floating bridges and submerged tunnels. Offshore Mechanics: Structural and Fluid Dynamics for Recent Applications covers traditional and more recent methodologies used in offshore structure modelling (including SPH and Hydro-elasticity models). It examines numerical techniques, including computational fluid dynamics and finite element method and includes easy to understand examples.

Nonlinear Waves And Offshore Structures

Author : Cheung Hun Kim
ISBN : 9789810248840
Genre : Technology & Engineering
File Size : 58. 2 MB
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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.

Waves And Wave Forces On Coastal And Ocean Structures

Author : Robert T Hudspeth
ISBN : 9789814483988
Genre : Technology & Engineering
File Size : 21. 96 MB
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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. Contents:Mathematical PreliminariesFundamentals of Fluid MechanicsLong-Crested, Linear Wave Theory (LWT)Wavemaker TheoriesNonlinear Wave TheoriesDeterministic Dynamics of Small Solid BodiesDeterministic Dynamics of Large Solid BodiesReal Ocean Waves Readership: Graduate students and practitioners in ocean and coastal engineering. Keywords:Deterministic and Nondeterministic Wave-Structure Interactions;Linear and Nonlinear Wavemaker Theories;Linear and Nonlinear Wave Theories;Fundamental Fluid Mechanics;Chaotic Analysis of Cross-Waves

The Dynamics Of Marine Vehicles And Structures In Waves

Author : Richard Evelyn Donohue Bishop
ISBN : UCSD:31822012200978
Genre : Drilling platforms
File Size : 51. 72 MB
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Load And Global Response Of Ships

Author : J.J Jensen
ISBN : 0080535569
Genre : Science
File Size : 75. 75 MB
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Load and Global Response of Ships gives an introductory background to naval architecture statistics and strength of materials. Each subject is treated in detail; starting from the first principle. The aim of this title was to derive and present the necessary theoretical framework for predicting the extreme loads and the corresponding hull girder stresses that a ship may be subjected to during its operational lifetime. Although some account is given to reliability analysis, the present treatment has to be supplemented with methods for detailed stress evaluation and for structural strength assessment before a complete structural reliability analysis can be carried out. The classification societies have issued rules and regulations for a proper structural analysis of a ship and selection of the scantlings. Previously, those rules rather explicitly gave formulae for the thickness of the hull plantings, the size of the stiffeners etc. Such empirical rules must necessarily be rather conservative in order to apply to a large variety of ships. With the advent of powerful computers, the rules have changed. Today, the naval architect can perform the structural analysis using mainly rational methods based on first principles. The classification society may then specify proper safety factors against local global failure modes, taking into account the consequences of failure and the analysis procedure used. A cruder method of analysis then necessitates a larger safety factor. Therefore the effort made by the experienced naval architect to perform a detailed structural analysis will be returned not just by a rational structural arrangement but also often in lower weight of the ship and thus a higher payload throughout the operational lifetime of the ship. This analysis has attempted to make explicit one way in which designers limit the design space by creating rules to which they expect users to adhere. It is also an attempt to encourage designers to reconsider the 'rules of use' that they have used in their designs, so as to reconceptualise potential usage. This can help design behaviour where rule use is not blindly followed. By making these rules visible, it is possible to expose the limitations of current technology, and development design solutions that do not restrict use to the 'normal' case of action. Rules are useful to designers because they are simplifications of activity. Rules encode the normal case, and these are simplistic representations of work that are, in many cases, accurate enough for the purpose of design. However, encoding behaviour in rules has dangers in that they do not encompass the whole range of behaviours that can be performed. Using examples, this title shows that being able to break rules means that people are able to engage in a richer more flexible set of actions (and therefore more appropriate to contingency) than when they are constrained to a limited range.

Dynamics Of Offshore Structures

Author : James F. Wilson
ISBN : 0471275654
Genre : Technology & Engineering
File Size : 24. 14 MB
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Unique, cutting-edge material on structural dynamics and naturalforces for offshore structures Using the latest advances in theory and practice, Dynamicsof Offshore Structures, Second Edition is extensivelyrevised to cover all aspects of the physical forces, structuralmodeling, and mathematical methods necessary to effectively analyzethe dynamic behavior of offshore structures. Both closed-formsolutions and the Mathematica(r) software package are used in manyof the up-to-date example problems to compute the deterministic andstochastic structural responses for such offshore structures asbuoys; moored ships; and fixed-bottom, cable-stayed, andgravity-type platforms. Throughout the book, consideration is given to the manyassumptions involved in formulating a structural model and to thenatural forces encountered in the offshore environment. Theseanalyses focus on plane motions of elastic structures with linearand nonlinear restraints, as well as motions induced by the forcesof currents, winds, earthquakes, and waves, including the latesttheories and information on wave mechanics. Topics addressedinclude multidegree of freedom linear structures, continuous systemanalysis (including the motion of cables and pipelines), submergedpile design, structural modal damping, fluid-structure-soilinteractions, and single degree of freedom structural models that,together with plane wave loading theories, lead to deterministic ortime history predictions of structural responses. These analysesare extended to statistical descriptions of both wave loading andstructural motion. Dynamics of Offshore Structures, Second Edition isa valuable text for students in civil and mechanical engineeringprograms and an indispensable resource for structural,geotechnical, and construction engineers working with offshoreprojects.

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