Extreme Waves

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Evolution Of Extreme Waves And Resonances

Author : Shamil U. Galiev
ISBN : 9781000064018
Genre : Science
File Size : 50.29 MB
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The theory of waves is generalized on cases of strongly nonlinear waves, multivalued waves, and particle–waves. The appearance of these waves in various continuous media and physical fields is explained by resonances and nonlinearity effects. Extreme waves emerging in different artificial and natural systems from atom scale to the Universe are explored. Vast amounts of experimental data and comparisons of them with the results of the developed theory are presented. The book was written for graduate students as well as for researchers and engineers in the fields of geophysics, nonlinear wave studies, cosmology, physical oceanography, and ocean and coastal engineering. It is designed as a professional reference for those working in the wave analysis and modeling fields.
Category: Science

Darwin Geodynamics And Extreme Waves

Author : Sh. U. Galiev
ISBN : 9783319169941
Genre : Science
File Size : 62.4 MB
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This book examines the reasons behind the resonant amplification of seismic and ocean waves that have the capacity to destroy cities and ocean-going vessels. Using Charles Darwin’s important geophysical research as a starting point, it provides insights into the interaction between earthquakes with volcanoes, seaquake, and tsunami formation. In particular, the author details the observations that Darwin made on a powerful earthquake that occurred in Chile in 1835, noting how the famous naturalist and geologist used the concept of earthquake-induced vertical shock to explain the event's devastating impact. The book then goes on to show how Darwin's concept relates to the catastrophic results of the shallow quakes that recently destroyed Port-au-Prince (Haiti, 2010) and severely damaged Christchurch (New Zealand, 2011). In addition, the author asks whether Darwin's ideas are endorsed by the discoveries of modern science and whether the results of destructive earthquakes can be modeled using strongly nonlinear wave equations. Coverage also proposes that similar equations can be used to simulate the dynamics of many objects on the surface of the Earth, and to model the origin of the Universe, dark matter, and dark energy as strongly nonlinear wave phenomena. The book will appeal to students as well as researchers and engineers in geophysics, seismology, nonlinear wave studies, cosmology, physical oceanography, and ocean and coastal engineering. It will also be of use to those who are interested in the phenomena of natural catastrophes as well as those who want to learn more about the life and work of Charles Darwin.
Category: Science

Extreme Waves And Shock Excited Processes In Structures And Space Objects

Author : Shamil U. Galiev
ISBN : 9781000064001
Genre : Science
File Size : 26.7 MB
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The theory of waves is generalized on cases when waves change medium in which they appear and propagate. A reaction of structural elements and space objects to the dynamic actions of the different nature, durations, and intensities is studied. It considers the effects of transitions in the state and phase equations of media on the formation and propagation of extreme waves as a result of power, thermal, or laser pulsed action. The influence of cavitation and cool boiling of liquids, geometric and physical nonlinearity of walls on containers’ strength, and the formation of extreme waves is studied. The theory can be also used to optimize impulse technology, in particular, in the optimization of explosive processing of sheet metal by explosion in a liquid. This book was written for researchers and engineers, as well as graduate students in the fields of thermal fluids, aerospace, nuclear engineering, and nonlinear waves.
Category: Science

Geological Records Of Tsunamis And Other Extreme Waves

Author : Max Engel
ISBN : 9780128156872
Genre : Science
File Size : 88.73 MB
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Geological Records of Tsunamis and Other Extreme Waves provides a systematic compendium with concise chapters on the concept and history of paleotsunami research, sediment types and sediment sources, field methods, sedimentary and geomorphological characteristics, as well as dating and modeling approaches. By contrasting tsunami deposits with those of competing mechanisms in the coastal zone such as storm waves and surges, and by embedding this field of research into the wider context of tsunami science, the book is also relevant to readers interested in paleotempestology, coastal sedimentary environments, or sea-level changes, and coastal hazard management. The effectiveness of paleotsunami records in coastal hazard-mitigation strategies strongly depends on the appropriate selection of research approaches and methods that are tailored to the site-specific environment and age of the deposits. In addition to summarizing the state-of-the-art in tsunami sedimentology, Geological Records of Tsunamis and Other Extreme Waves guides researchers through establishing an appropriate research design and how to develop reliable records of prehistoric events using field-based and laboratory methods, as well as modeling techniques. Features a comprehensive overview of the state of the art in tsunami sedimentology and paleotsunami research Offers advice on the most appropriate mapping, sampling, and analytical approaches for a wide variety of coastal settings and sedimentary environments Provides methodological details for field sampling and the most important proxy analyses
Category: Science

Extreme Ocean Waves

Author : Efim Pelinovsky
ISBN : 9783319215754
Genre : Science
File Size : 20.21 MB
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This revised and updated second edition details the vast progress that has been achieved in the understanding of the physical mechanisms of rogue wave phenomenon in recent years. The selected articles address such issues as the formation of rogue waves due to modulational instability of nonlinear wave field, physical and statistical properties of extreme ocean wave generation in deep water as well as in shallow water, various models of nonlinear water waves, special analysis of nonlinear resonances between water waves and the relation between in situ observations, experimental data and rogue wave theories. In addition, recent results on tsunami waves due to subaerial landslides are presented. This book is written for specialists in the fields of fluid mechanics, applied mathematics, nonlinear physics, physical oceanography and geophysics, and for students learning these subjects.
Category: Science

Parameterization Of Geometric Characteristics For Extreme Waves In Shallow Water

Author :
ISBN : OCLC:1051994524
Genre :
File Size : 76.94 MB
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Abstract: This study presents an empirical parameterization of wave steepness and asymmetries used in the characterization of extreme waves in nearshore environment. A large amount of experimental datasets is analyzed for determining possible values of the wave geometric parameters. Results indicate that the steepness and asymmetries of extreme waves increase with water depth become shallower. For the data used here, the local relative wave height H s / d play a crucial role in determining the geometric parameters of extreme waves different from that in deep water. A set of empirical formulas developed based on data analysis establish relationship between the wave geometric parameters and other parameters of engineering interest. Specifically, the first formula expresses the extreme wave steep as a function of the local relative wave height. The second formula defines the skewness and asymmetry for extreme waves as a function of the local Ursell number. From comparisons of the fitted results for different bottom slope, it is shown that the bottom slope has a negligible effect on the variations in crest-rear steepness, mean steepness and horizontal asymmetry, but obviously affects the crest-front and vertical asymmetry of extreme waves. Highlights: The parameter of local relative wave height ( H s / d ) may play a crucial role on the spatial development of extreme waves. The steepness and asymmetries of extreme waves in shallow water could attain to a higher value than those in deep water. Some empirical formulae regarding to the geometric parameters of extreme waves as a function of other parameters are derived. The bottom slope effect cannot influence all the geometric characteristics of extreme waves.

A Study Of Extreme Waves And Their Effects On Ship Structure

Author : William H. Buckley
ISBN : OCLC:227612020
Genre :
File Size : 44.8 MB
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Previous studies have indicated that certain extremely large waves, measured during Hurricane Camille, might be characterized as non-Gaussian. Waves of similar time-domain description had previously been found to cause ship damages during winter storms. Interviews with ship masters and officers furnished additional important characterizations of these waves, as well as indications of the synoptic weather conditions which were involved. A survey of heavy-weather damage information from Coast Guard records was conducted to evaluate general trends of heavyweather damage to ships. A preponderance of damage is attributed to local wave loadings. Selected cases of ship damage and severe hull girder stressing were examined in relation to the types of extreme waves reported to have been encountered, or believed to have been encountered, based in part upon prevailing synoptic weather conditions. A tentative characterization of large non-Gaussian waves is provided. Recent developments in nonlinear wave mechanics are reviewed to help explain the origin and propagation of these waves. Current studies of the synoptic development of winter storms are examined to identify wind field characteristics which appear to be related to the development of 'rogue' waves.

Rogue Waves In The Ocean

Author : Christian Kharif
ISBN : 9783540884194
Genre : Science
File Size : 57.25 MB
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“It came from nowhere, snapping giant ships in two. No one believed the survivors . . . until now” —New Scientist magazine cover, June 30, 2001 Rogue waves are the focus of this book. They are among the waves naturally - served by people on the sea surface that represent an inseparable feature of the Ocean. Rogue waves appear from nowhere, cause danger, and disappear at once. They may occur on the surface of a relatively calm sea and not reach very high amplitudes, but still be fatal for ships and crew due to their unexpectedness and abnormal features. Seamen are known to be unsurpassed authors of exciting and horrifying stories about the sea and sea waves. This could explain why, despite the increasing number of documented cases, that sailors’ observations of “walls of - ter” have been considered ctitious for a while. These stories are now addressed again due to the amount of doubtless evidence of the existence of the phenomenon, but still without suf cient information to - able interested researchers and engineers to completely understand it. The billows appear suddenly, exceeding the surrounding waves by two times their size and more, and obtaining many names: abnormal, exceptional, extreme, giant, huge, s- den, episodic, freak, monster, rogue, vicious, killer, mad- or rabid-dog waves, cape rollers, holes in the sea, walls of water, three sisters, etc.
Category: Science

Rogue Waves 2000

Author : Michel Olagnon
ISBN : 2844330630
Genre : Ocean engineering
File Size : 21.1 MB
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Brest, 29 au 29 novembre 2000. C'est aujourd'hui une certitude que certaines vagues outrepassent en hauteur et en cambrure les prédictions fondées sur les modèles courants. L'amélioration de la compréhension des raisons, des mécanismes, et des circonstances de leur apparition se doit donc d'être une priorité de recherche. Le colloque Rogue Waves 2000 a rassemblé à Brest nombre des scientifiques et ingénieurs actifs sur le sujet, qui y ont trouvé l'occasion de confronter et discuter leurs avancées les plus récentes en termes de définition, de statistiques, de modélisation et de prédiction de ces vagues anormales. Mots-clés : vagues, extrêmes, non-linéarités, vagues anormales, vagues scélérates.
Category: Ocean engineering

Coastal And Marine Hazards Risks And Disasters

Author : Jean Ellis
ISBN : 9780123965387
Genre : Nature
File Size : 29.65 MB
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Sea and Ocean Hazards, Risks and Disasters provides a scientific approach to those hazards and disasters related to the Earth's coasts and oceans. This is the first book to integrate scientific, social, and economic issues related to disasters such as hazard identification, risk analysis, and planning, relevant hazard process mechanics, discussions of preparedness, response, and recovery, and the economics of loss and remediation. Throughout the book cases studies are presented of historically relevant hazards and disasters as well as the many recent catastrophes. Contains contributions from experts in the field selected by a world-renowned editorial board Cutting-edge discussion of natural hazard topics that affect the lives and livelihoods of millions of humans worldwide Numerous full-color tables, GIS maps, diagrams, illustrations, and photographs of hazardous processes in action will be included
Category: Nature

Ocean Waves

Author : Michel K. Ochi
ISBN : 052101767X
Genre : Science
File Size : 66.67 MB
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Describes the stochastic method for ocean wave analysis - vital information for design and operation of ships.
Category: Science

The Science Of Ocean Waves

Author : J. B. Zirker
ISBN : 9781421410791
Genre : Science
File Size : 24.50 MB
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"Powerful ocean waves fascinate the public, and they have made a lot of news lately." With that indisputable observation, scientist J. B. Zirker takes off on a whirlwind tour of the world of waves—from the "ordinary" waves that constantly churn the sea to the rogues or freaks that can rise up seemingly from nowhere to heights of 20 meters or more... and everything in between. Addressing questions most ocean visitors have had and offering new ones for our consideration, The Science of Ocean Waves explains in accessible language how waves are formed, how they move, how they become huge and destructive, and how they're being studied now for clues that will help us plan for the future. Devoting chapters to wind, tides, currents, breakers, tsunamis, forecasting, renewable energy, and El Niño—as well as discussing the gentler properties of ocean waves which inspire us and offer opportunities for relaxation and recreation—Zirker explores the physical factors that create waves. Drawing on some of the recent storms that have devastated entire regions—such as Hurricane Katrina, the tsunami launched by the 2004 Sumatran earthquake, and the great tsunami that crushed the shore of Japan in 2011—Zirker explains the forces that cause these monster waves and reveals the toll they take on human lives. Enhanced by dozens of illustrations and a comprehensive glossary, The Science of Ocean Waves will fascinate anyone curious about the science behind the headlines. Praise for J. B. Zirker "Scientists know their stuff but are rarely good storytellers, whereas good storytellers rarely possess the necessary sweeping command of a scientific discipline. Zirker is that rare animal who can both communicate the most demanding technical detail and make it accessible."—New Scientist
Category: Science

Tsunami And Nonlinear Waves

Author : Anjan Kundu
ISBN : 9783540712565
Genre : Science
File Size : 25.87 MB
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The need for tsunami research and analysis has grown dramatically following the devastating tsunami of December 2004, which affected Southern Asia. This book pursues a detailed theoretical and mathematical analysis of the fundamentals of tsunamis, especially the evolution and dynamics of tsunamis and other great waves. Of course, it includes specific measurement results from the 2004 tsunami, but the emphasis is on the nature of the waves themselves and their links to nonlinear phenomena.
Category: Science

Extreme Waves

Author : Craig B. Smith
ISBN : 0309100623
Genre : Science
File Size : 53.80 MB
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Examines the causes and effects of extreme waves, waves that can stretch 100-feet high and can pose a threat to large sea vessels and coastal areas.
Category: Science

Ocean Surface Waves

Author : Stanislaw R. Massel
ISBN : 9810221096
Genre : Science
File Size : 59.44 MB
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This book is intended as a handbook for professionals and researchers in the areas of Physical Oceanography, Ocean and Coastal Engineering and as a text for graduate students in these fields. It presents a comprehensive study on surface ocean waves induced by wind, including basic mathematical principles, physical description of the observed phenomena, practical forecasting techniques of various wave parameters and applications in ocean and coastal engineering, all from the probabilistic and spectral points of view. The book commences with a description of mechanisms of surface wave generation by wind and its modern modeling techniques. The stochastic and probabilistic terminology is introduced and the basic statistical and spectral properties of ocean waves are developed and discussed in detail. The bulk of material deals with the prediction techniques for waves in deep and coastal waters for simple and complex ocean basins and complex bathymetry. The various prediction methods, currently used in oceanography and ocean engineering, are described and the examples of practical calculations illustrate the basic text. An appendix provides a description of the modern methods of wave measurement, including the remote sensing techniques. Also the wave simulation methods and random data analysis techniques are discussed. In the book a lot of discoveries of the Russian and East European scientists, largely unknown in the Western literature due to the language barrier, are referred to.
Category: Science