Directional Irregular Wave Kinematics PDF Download
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Author: Christopher H. Barker
Publisher:
ISBN:
Category : Kinematics
Languages : en
Pages : 190
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Book Description
Author: Christopher H. Barker
Publisher:
ISBN:
Category : Kinematics
Languages : en
Pages : 190
Get Book Here
Book Description
Author: Christopher H. Barker
Publisher:
ISBN:
Category : Kinematics
Languages : en
Pages : 188
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Book Description
Author: Christopher Hemingway Barker
Publisher:
ISBN:
Category : Kinematics
Languages : en
Pages : 0
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Book Description
Coastal and ocean processes are heavily influenced by the kinematics of waves. In order to understand these processes, researchers place a variety of instruments in the sea in an attempt to measure the waves. These instruments all measure a small set of physical quantities at a small number of locations. The balance of the kinematics must be predicted through analysis of the measured records. Most of the currently used methods of analysis rely on the superposition of linear waves to recreate complex seas. These methods are compromised by linearizing approximations to the free surface boundary conditions. Fidelity in the interpretation of wave measurements is enhanced by insisting that the analysis satisfies the full nonlinear free surface boundary conditions. The Local Fourier method for irregular wave kinematics is introduced and expanded to include the interpretation of records from arrays of instruments. It is a local method, in that a separate solution is sought that fits the measured record(s) in a small local window in time, rather than attempting to find a single solution for a large segment of the record. Each window solution satisfies the full set of governing equations for gravity waves, including the nonlinear free surface boundary conditions. The solution in each window is a potential function whose form is based upon a Stokes style expansion for intersecting waves. The parameters of the potential function are found by a nonlinear optimization that seeks the solution that matches the measured record and satisfies the full free surface boundary conditions.
Author: K. Murali
Publisher: Springer
ISBN: 9811331197
Category : Technology & Engineering
Languages : en
Pages : 1048
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Book Description
This book comprises selected proceedings of the Fourth International Conference in Ocean Engineering (ICOE2018), focusing on emerging opportunities and challenges in the field of ocean engineering and offshore structures. It includes state-of-the-art content from leading international experts, making it a valuable resource for researchers and practicing engineers alike.
Author: Christopher H. Barker
Publisher:
ISBN:
Category : Kinematics
Languages : en
Pages : 350
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Book Description
Coastal and ocean processes are heavily influenced by the kinematics of waves. In order to understand these processes, researchers place a variety of instruments in the sea in an attempt to measure the waves. These instruments all measure a small set of physical quantities at a small number of locations. The balance of the kinematics must be predicted through analysis of the measured records. Most of the currently used methods of analysis rely on the superposition of linear waves to recreate complex seas. These methods are compromised by linearizing approximations to the free surface boundary conditions. Fidelity in the interpretation of wave measurements is enhanced by insisting that the analysis satisfies the full nonlinear free surface boundary conditions. The Local Fourier method for irregular wave kinematics is introduced and expanded to include the interpretation of records from arrays of instruments. It is a local method, in that a separate solution is sought that fits the measured record(s) in a small local window in time, rather than attempting to find a single solution for a large segment of the record. Each window solution satisfies the full set of governing equations for gravity waves, including the nonlinear free surface boundary conditions. The solution in each window is a potential function whose form is based upon a Stokes style expansion for intersecting waves. The parameters of the potential function are found by a nonlinear optimization that seeks the solution that matches the measured record and satisfies the full free surface boundary conditions.
Author: A. Tørum
Publisher: Springer Science & Business Media
ISBN: 9400905319
Category : Technology & Engineering
Languages : en
Pages : 751
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Book Description
Water wave kinematics is a central field of study in ocean and coastal engineering. The wave forces on structures as well as sand erosion both on coastlines and in the ocean are to a large extent governed by the local distribution of velocities and accelerations of the water particles. Our knowledge of waves has generally been derived from measurements of the water surface elevations. The reason for this is that the surface elevations have been of primary interest and fairly cheap and reliable instruments have been developed for such measurements. The water wave kinematics has then been derived from the surface elevation information by various theories. However. the different theories for the calculation of water particle velocities and acceleration have turned out to give significant differences in the calculated responses of structures. In recent years new measurement techniques have made it possible to make accurate velocity measurements. Hence. the editors deemed it to be useful to bring together a group of experts working actively as researchers in the field of water wave kinematics. These experts included theoreticians as well as experimentalists on wave kinematics. It was also deemed useful to include experts on the response of structures to have their views from a structural engineering point of view on what information is really needed on water wave kinematics.
Author: Michel Ochi
Publisher: Elsevier
ISBN: 0080534244
Category : Science
Languages : en
Pages : 155
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Book Description
Hurricanes are one of the most adverse aspects of the ocean environment, with the potential to cause a disastrous event for marine systems in the ocean. Hurricane Generated Seas is an invaluable reference for all involved in the field of naval, ocean and coastal engineering. The work clarifies hurricane generated sea conditions necessary for the design and operation of marine systems in a seaway, and provides information for the protection of near shore / onshore structures and the environment at the time of hurricane landing. - Reveals Information vital for avoidance of disastrous events experienced by ships and offshore structures - Includes detailed analysis of hurricane sea wave data obtained by buoys
Author: Bernard Le Méhauté
Publisher: Harvard University Press
ISBN: 9780674017399
Category : Political Science
Languages : en
Pages : 1340
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Book Description
Author: Lynne E. Frostick
Publisher: CRC Press
ISBN: 1439870519
Category : Technology & Engineering
Languages : en
Pages : 274
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Book Description
A Users Guide to Hydraulic Modelling and Experimentation provides a systematic, comprehensive summary of the progress made through HYDRALAB III . The book combines the expertise of many of the leading hydraulic experimentalists in Europe and identifies current best practice for carrying out state-of-the-art, modern laboratory investigations. In add
Author: Robert G Dean
Publisher: World Scientific Publishing Company
ISBN: 9814365696
Category : Technology & Engineering
Languages : en
Pages : 369
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Book Description
This book is intended as an introduction to classical water wave theory for the college senior or first year graduate student. The material is self-contained; almost all mathematical and engineering concepts are presented or derived in the text, thus making the book accessible to practicing engineers as well.The book commences with a review of fluid mechanics and basic vector concepts. The formulation and solution of the governing boundary value problem for small amplitude waves are developed and the kinematic and pressure fields for short and long waves are explored. The transformation of waves due to variations in depth and their interactions with structures are derived. Wavemaker theories and the statistics of ocean waves are reviewed. The application of the water particle motions and pressure fields are applied to the calculation of wave forces on small and large objects. Extension of the linear theory results to several nonlinear wave properties is presented. Each chapter concludes with a set of homework problems exercising and sometimes extending the material presented in the chapter. An appendix provides a description of nine experiments which can be performed, with little additional equipment, in most wave tank facilities.
