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| Author | : Hamzah Abdulgader Almoghrabi |
| Publisher | : |
| Total Pages | : 346 |
| Release | : 1983 |
| Genre | : |
| ISBN | : |
| Author | : Frederick David Cotaras |
| Publisher | : |
| Total Pages | : 242 |
| Release | : 1989 |
| Genre | : Acoustic surface waves |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 1690 |
| Genre | : |
| ISBN | : |
| Author | : Leonid Brekhovskikh |
| Publisher | : Elsevier |
| Total Pages | : 575 |
| Release | : 2012-12-02 |
| Genre | : Technology & Engineering |
| ISBN | : 0323163246 |
Waves in Layered Media focuses on the theory of the propagation of elastic and electromagnetic waves in layered media. This book presents a complete report of Soviet researches on wave propagation through layered media. Organized into six chapters, this book starts with an overview of the theory of wave reflection from layers and interfaces. This text then examines the some of the representations and methods, which are common to different branches of physics. Other chapters define the reflection reduction of optical waves as the lowering of the reflection coefficient at the air–glass boundaries by depositing thin layers of several materials on the glass. This book discusses as well the field of a concentrated source situated in a layered-inhomogeneous medium, which is one of the main problems in modern radiophysics, acoustics, and the physics of the Earth's crust. The final chapter deals with wave propagation in layered-inhomogeneous media. This book is a valuable resource for engineers, scientists, and physicists.
| Author | : Leonid M. Brekhovskikh |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 249 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 3642523692 |
This monograph is devoted to the systematic presentation of the theory of sound wave propagation in layered structures. These structures can be man-made, such as ultrasonic filters, lenses, surface-wave delay lines, or natural media, such as the ocean and the atmosphere, with their marked horizontal stratification. A related problem is the propagation of elastic (seismic) waves in the earth's crust These topics have been treated rather completely in the book by L. M. Brek hovskikh, Waves in Layered Media, the English version of the second edition of which was published by Academic Press in 1980. Due to progress in experimental and computer technology it has become possible to analyze the influence of factors such as medium motion and density stratification upon the propagation of sound waves. Much attention has been paid to propagation theory in near-stratified media, Le. , media with small deviations from strict stratification. Interesting results have also been obtained in the fields of acoustics which had been previously considered to be "completely" developed. For these reasons, and also because of the inflow of researchers from the related fields of physics and mathematics, the circle of persons and research groups engaged in the study of sound propagation has rather expanded. Therefore, the appearance of a new summary review of the field of acoustics of layered media has become highly desirable. Since Waves in Layered Media became quite popular, we have tried to retain its positive features and general structure.
| Author | : J. Brillouin |
| Publisher | : |
| Total Pages | : 42 |
| Release | : 1957 |
| Genre | : Sound-waves |
| ISBN | : |
The presence of sound waves in one or the other of the fluid regions on either side of a shock wave is made apparent, in the region under super-pressure, by acoustic waves (reflected or refracted according to whether the incident waves lie in the region of super-pressure or of sub-pressure) and by thermal waves. The characteristics of these waves are calculated for a plane, progressive, and uniform incident wave. In the case of refraction, the refracted acoustic wave can, according to the incidence, be plane, progressive, and uniform or take the form of an 'accompanying wave' which remains attached to the front of the shock while sliding parallel to it. In all cases, geometrical constructions permit determination of the kinematic characteristics of the reflected or refractive acoustic waves. The dynamic relationships show that the amplitude of the reflected wave is always less than that of the incident wave. The amplitude of the refracted wave, whatever its type, may in certain cases be greater than that of the incident wave.
| Author | : |
| Publisher | : |
| Total Pages | : 23 |
| Release | : 1984 |
| Genre | : |
| ISBN | : |
When a sound beam strikes an interface between materials ofdifferent acoustic velocity or impedance properties, longitudinaland shear waves are reflected and refracted at the interface. Acomputer program has been written to compute the amplitude andenergy of the waves reflected and refracted at the water/metalinterface and the metal/water interface of a metal block immersedin water. The time of flight and the path travelled by thelongitudinal and shear waves in the metal are also computed.
| Author | : Felix F. Gorbatsevich |
| Publisher | : American Academic Press |
| Total Pages | : 165 |
| Release | : 2016-06-20 |
| Genre | : Science |
| ISBN | : 163181785X |
Laws of reflection and refraction of compression and shear elastic waves at the boundary between media are considered and taken into account in a lot of solutions of scientific and technical problems. Without calculations made on the basis of these laws it is impossible to determine the earthquake epicentre coordinates, location of a producing horizon, solving the problems of noise reduction etc. in seismology, geophysics, industrial engineering, architecture. In the book are considered all cases of reflection and refraction of compression and shear elastic waves on the flat border between two different media. Two solids, a solid and liquid, a liquid and solid, two liquids, a solid and vacuum have been analyzed. The waves propagating along the flat interface are discussed. Qualitative and limited quantitative analyses of the influence of the adjoining media properties on the processes of reflection and refraction have been made. The book presents designs of transducers for elastic waves with the use of interface. The material set forth can be used as a reference book. The book is designed for specialists working in the field of acoustics, seismics, geophysics and non-destructive control of materials.
| Author | : L Brekhovskikh |
| Publisher | : Elsevier |
| Total Pages | : 520 |
| Release | : 2012-12-02 |
| Genre | : Science |
| ISBN | : 0323161626 |
Waves in Layered Media discusses different theories about the relationship between waves and media. The book specifically covers several factors that can affect the behavior and formation of various kinds of waves in different types of media. Comprised of nine chapters, the book establishes the fundamentals by first tackling simplest concepts, such as the behavior plane wave and discretely layered media. The succeeding chapters cover much more complex ideas, such as the refraction and reflection of waves, spherical wave, and wave in inhomogeneous media. The book will be a great asset to researchers whose work involves acoustics, or to professionals whose line of work involves sound waves.
| Author | : Steven L. Garrett |
| Publisher | : Springer |
| Total Pages | : 913 |
| Release | : 2017-02-24 |
| Genre | : Science |
| ISBN | : 3319499785 |
This textbook provides a unified approach to acoustics and vibration suitable for use in advanced undergraduate and first-year graduate courses on vibration and fluids. The book includes thorough treatment of vibration of harmonic oscillators, coupled oscillators, isotropic elasticity, and waves in solids including the use of resonance techniques for determination of elastic moduli. Drawing on 35 years of experience teaching introductory graduate acoustics at the Naval Postgraduate School and Penn State, the author presents a hydrodynamic approach to the acoustics of sound in fluids that provides a uniform methodology for analysis of lumped-element systems and wave propagation that can incorporate attenuation mechanisms and complex media. This view provides a consistent and reliable approach that can be extended with confidence to more complex fluids and future applications. Understanding Acoustics opens with a mathematical introduction that includes graphing and statistical uncertainty, followed by five chapters on vibration and elastic waves that provide important results and highlight modern applications while introducing analytical techniques that are revisited in the study of waves in fluids covered in Part II. A unified approach to waves in fluids (i.e., liquids and gases) is based on a mastery of the hydrodynamic equations. Part III demonstrates extensions of this view to nonlinear acoustics. Engaging and practical, this book is a must-read for graduate students in acoustics and vibration as well as active researchers interested in a novel approach to the material.
