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Propagation Of Spherical Wave In Non Stationary Media
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Book Synopsis Propagation of Spherical Wave in Non-stationary Media by : Frederick Paul Carlson
Download or read book Propagation of Spherical Wave in Non-stationary Media written by Frederick Paul Carlson and published by . This book was released on 1968 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The paper considers spherical waves propagating in a non-stationary turbulent media. The method of analysis uses the Rytov approximation and the perturbation technique of J.B. Keller. The resulting integral equations are solved by spectral techniques. The results are then compared with other known plane and spherical wave homogeneous and locally homogeneous results. They are then applied to examine the optimum aperture and resolution results of D.L. Fried. It is concluded that it is essential to allow for a distribution of turbulence in a region. In addition, the optimum aperture results for vertical propagation show a marked dependence on the height of the observer and the parameters which describe the distribution of turbulence in the region. The fact that optimum apertures continue to result is considered important and useful. (Author).
Book Synopsis Electromagnetic Wave Theory by : J. C. Brown
Download or read book Electromagnetic Wave Theory written by J. C. Brown and published by Elsevier. This book was released on 2013-10-22 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromagnetic Wave Theory, Part 2 contains the proceedings of a Symposium on Electromagnetic Wave Theory held at Delft, The Netherlands in September 1965. The symposium provided a forum for discussing electromagnetic wave theory and tackled a wide range of topics, from propagation in nonlinear media to electromagnetic wave propagation and amplification in solid-state plasmas. Electromagnetic waves in nonlinear transmission lines with active parameters are also considered, along with the phase dependence of maser active material Q-factor on pump intensity and frequency. Comprised of four sections, this volume begins with an analysis of two modes of propagation that are coupled through parametric modulation in nonlinear media. The discussion then turns to symmetry restrictions in nonlinear, non-absorbing, non-dispersive media; nonlinear interaction between two beams of plane electromagnetic waves in an anisotropic medium; radiation in periodically non-stationary media; and electromagnetic wave propagation in time-varying media. Subsequent chapters explore the diffraction of electromagnetic waves by plasma structures; resonant electromagnetic scattering from gyrotropic plasmas; scattering and transmission of electromagnetic waves at a statistically rough boundary between two dielectric media; and developments in wavefront reconstruction. This book will be useful for students, practitioners, and researchers in physics.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 1038 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Elastic Waves written by Vassily Babich and published by CRC Press. This book was released on 2018-04-09 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elastic Waves: High Frequency Theory is concerned with mathematical aspects of the theory of high-frequency elastic waves, which is based on the ray method. The foundations of elastodynamics are presented along with the basic theory of plane and spherical waves. The ray method is then described in considerable detail for bulk waves in isotropic and anisotropic media, and also for the Rayleigh waves on the surface of inhomogeneous anisotropic elastic solids. Much attention is paid to analysis of higher-order terms and to generation of waves in inhomogeneous media. The aim of the book is to present a clear, systematic description of the ray method, and at the same time to emphasize its mathematical beauty. Luckily, this beauty is usually not accompanied by complexity and mathematical ornateness.
Book Synopsis Monthly Catalog of United States Government Publications, Cumulative Index by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications, Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1980 with total page 1284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of FORM 2021 by : Pavel Akimov
Download or read book Proceedings of FORM 2021 written by Pavel Akimov and published by Springer Nature. This book was released on 2021-11-08 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers the latest advances, innovations, and applications in the field of environmental and construction engineering, as presented by international researchers at the XXIV International Scientific Conference "Construction: The Formation of Living Environment", held in Moscow, Russia on April 22-24, 2021. It covers highly diverse topics, including sustainable innovative development of the construction industry, building materials, reliability of buildings and constructions and safety in construction, modelling and mechanics of building structures, engineering and smart systems in construction, climate change and urban environment. The contributions, which were selected by means of a rigorous international peer-review process, highlight numerous exciting ideas that will spur novel research directions and foster multidisciplinary collaborations.
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1968 with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rock and Soil Mechanics by : W. Derski
Download or read book Rock and Soil Mechanics written by W. Derski and published by Elsevier. This book was released on 2012-12-02 with total page 739 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although theoretical in character, this book provides a useful source of information for those dealing with practical problems relating to rock and soil mechanics - a discipline which, in the view of the authors, attempts to apply the theory of continuum to the mechanical investigation of rock and soil media. The book is in two separate parts. The first part, embodying the first three chapters, is devoted to a description of the media of interest. Chapter 1 introduces the main argument and discusses the essence of the discipline and its links with other branches of science which are concerned, on the one hand, with technical mechanics and, on the other, with the properties, origins, and formation of rock and soil strata under natural field conditions. Chapter 2 describes mechanical models of bodies useful for the purpose of the discourse and defines the concept of the limit shear resistance of soils and rocks. Chapter 3 gives the actual properties of soils and rocks determined from experiments in laboratories and in situ. Several tests used in geotechnical engineering are described and interconnections between the physical state of rocks and soils and their rheological parameters are considered.The second part of the book considers the applications of various theories which were either first developed for descriptive purposes in continuum mechanics and then adopted in soil and rock mechanics, or were specially developed for the latter discipline. Chapter 4 discusses the application of the theory of linear viscoelasticity in solving problems of stable behaviour of rocks and soils. Chapter 5 covers the use of the groundwater flow theory as applied to several problems connected with water movement in an undeformable soil or rock skeleton. Chapter 6 is a natural expansion of the arguments put forward in the previous chapter. Here the movement of water is regarded as the cause of deformation of the rock or soil skeleton and the consolidation theory developed on this basis is presented in a novel formulation. Some new engineering solutions are also reported. The seventh chapter is devoted to the limit state theory as applied to the study of the mechanical behaviour of soils and rocks. It presents some new solutions and methods which include both static and kinematic aspects of the problem, and some original effective methods for investigating media of limited cohesion. The final chapter gives a systematic account of the mechanics of highly dispersed soils, commonly called clays.
Book Synopsis Transform Methods for Solving Partial Differential Equations by : Dean G. Duffy
Download or read book Transform Methods for Solving Partial Differential Equations written by Dean G. Duffy and published by CRC Press. This book was released on 2004-07-15 with total page 727 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transform methods provide a bridge between the commonly used method of separation of variables and numerical techniques for solving linear partial differential equations. While in some ways similar to separation of variables, transform methods can be effective for a wider class of problems. Even when the inverse of the transform cannot be found ana
Book Synopsis Journal of the Optical Society of America by :
Download or read book Journal of the Optical Society of America written by and published by . This book was released on 1969 with total page 812 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Non-Stationary Electromagnetics by : Alexander Nerukh
Download or read book Non-Stationary Electromagnetics written by Alexander Nerukh and published by CRC Press. This book was released on 2018-10-26 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is devoted to the investigations of non-stationary electromagnetic processes. The investigations are undertaken analytically mainly using the Volterra integral equations approach. The book contains a systematic statement of this approach for the investigations of electrodynamics phenomena in the time domain and new results and applications in microwave techniques and photonics. Particular consideration is given to electromagnetic transients in time-varying media and their potential applications. The approach is formulated and electromagnetic phenomena are investigated in detail for a hollow metal waveguide, which contains moving dielectric or plasma-bounded medium, and dielectric waveguides with time-varying medium inside a core.
Book Synopsis Spherical Wave Propagation in Rate Dependent Media by : Michael P. Zabinski
Download or read book Spherical Wave Propagation in Rate Dependent Media written by Michael P. Zabinski and published by . This book was released on 1969 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radiation Synthesis Studies by : Akira Ishimaru
Download or read book Radiation Synthesis Studies written by Akira Ishimaru and published by . This book was released on 1968 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress Waves in Non-Elastic Solids by : W. K. Nowacki
Download or read book Stress Waves in Non-Elastic Solids written by W. K. Nowacki and published by Elsevier. This book was released on 2018-03-06 with total page 259 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stress Waves in Non-Elastic Solids is a comprehensive presentation of the principles underlying the propagation of stress waves in non-elastic solids, with emphasis on wave problems in the theory of plasticity. This book exposes wave propagation problems for a range of material responses and justifies the hypotheses introduced in specialized theories and the simplifications made in the analysis of particular problems. Both analytical and numerical methods of solving problems are described, and a large number of solutions to specific problems of wave propagation in inelastic solids are given. This book is comprised of six chapters and begins with an overview of the fundamental equations of the dynamics of inelastic media. The dynamical properties of metals and soils are discussed, offering an account of the most representative theories of plasticity and viscoplasticity. The next chapter considers the basic definitions of discontinuity surfaces and the conditions that must to be satisfied across these surfaces. Certain mathematical fundamentals are given, referring to systems of differential equations, quasi-linear and semi-linear, of the first order. Initial and boundary value problems for hyperbolic equations are also formulated. The remaining chapters focus on methods of solving stress wave propagation problems, including one-dimensional plane waves and longitudinal-transverse waves. Wave propagation problems for elastic-plastic and elastic/viscoplastic media are treated in detail, along with the most important problem of shock waves in metals and soils. The last chapter deals with thermal wave propagation problems. This monograph will be a valuable resource for students and practitioners of engineering, physics, and mathematics.
Book Synopsis Stochastic Wave Propagation by : K. Sobczyk
Download or read book Stochastic Wave Propagation written by K. Sobczyk and published by Elsevier. This book was released on 2012-12-02 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a concise, unified exposition of the existing methods of analysis of linear stochastic waves with particular reference to the most recent results. Both scalar and vector waves are considered. Principal attention is concentrated on wave propagation in stochastic media and wave scattering at stochastic surfaces. However, discussion extends also to various mathematical aspects of stochastic wave equations and problems of modelling stochastic media.
Book Synopsis Unsteady Motion of Continuous Media by : K. P. Stanyukovich
Download or read book Unsteady Motion of Continuous Media written by K. P. Stanyukovich and published by Elsevier. This book was released on 2016-01-21 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unsteady Motion of Continuous Media covers the technical applications in the study of rapidly occurring processes in unsteady motion of continuous media. This 15-chapter text focuses on the detonation and explosion processes. The introductory chapters review the mathematical and thermodynamic methods of gas dynamics, as well as the fundamental equations of non-stationary gas dynamics. The succeeding chapters deal with the concept of self-similar motion, solutions of equations, one-dimensional isentropic motions, and the elementary theory of shock waves. Considerable chapters are devoted to the mechanisms and principles of detonation wave, its propagation and unsteady motion in condensed media. These topics are followed by discussions of the propulsion of bodies by a gas stream; the motion of gas in a gravitational field; and the limiting motion of rarefield and very dense media. The concluding chapter presents some problems in the relativistic mechanics of solid medium. This book will prove useful to physicists, applied mathematicians, and chemical engineers.
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 1284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
