Sound Wave Propagation In Porous Media

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Propagation of Sound in Porous Media

Author : J.F. Allard
Publisher : Springer Science & Business Media
ISBN 13 : 9401118663
Total Pages : 296 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Propagation of Sound in Porous Media by : J.F. Allard

Download or read book Propagation of Sound in Porous Media written by J.F. Allard and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has grown out of the research activities of the author in the fields of sound propagation in porous media and modelling of acoustic materials. It is assumed that the reader has a background of advanced calculus, including an introduction to differential equations, complex variables and matrix algebra. A prior exposure to theory of elasticity would be advantageous. Chapters 1-3 deal with sound propagation of plane waves in solids and fluids, and the topics of acoustic impedance and reflection coefficient are given a large emphasis. The topic of flow resistivity is presented in Chapter 2. Chapter 4 deals with sound propagation in porous materials having cylindrical pores. The topics of effective density, and of tortuosity, are presented. The thermal exchanges between the frame and the fluid, and the behaviour of the bulk modulus of the fluid, are described in this simple context. Chapter 5 is concerned with sound propagation in other porous materials, and the recent notions of characteristic dimensions, which describe thermal exchanges and the viscous forces at high frequencies, are introduced. In Chapter 6, the case of porous media having an elastic frame is considered in the context of Biot theory, where new topics described in Chapter 5 have been included.

Computational and Experimental Studies of Acoustic Waves

Author : Mahmut Reyhanoglu
Publisher : BoD – Books on Demand
ISBN 13 : 9535137158
Total Pages : 156 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Computational and Experimental Studies of Acoustic Waves by : Mahmut Reyhanoglu

Download or read book Computational and Experimental Studies of Acoustic Waves written by Mahmut Reyhanoglu and published by BoD – Books on Demand. This book was released on 2018-01-04 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents recent studies of acoustic wave propagation through different media including the atmosphere, Earth's subsurface, complex dusty plasmas, porous materials, and flexible structures. Mathematical models of the underlying physical phenomena are introduced and studied in detail. With its seven chapters, the book brings together important contributions from renowned international researchers to provide an excellent survey of recent computational and experimental studies of acoustic waves. The first section consists of four chapters that focus on computational studies, while the next section is composed of three chapters that center on experimental studies.

Acoustics of Porous Media

Author : Thierry Bourbié
Publisher : Editions TECHNIP
ISBN 13 : 9782710805168
Total Pages : 366 pages
Book Rating : 4.8/5 (51 download)

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Book Synopsis Acoustics of Porous Media by : Thierry Bourbié

Download or read book Acoustics of Porous Media written by Thierry Bourbié and published by Editions TECHNIP. This book was released on 1987 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Wave Fields in Real Media

Author : José M. Carcione
Publisher : Elsevier
ISBN 13 : 0081000030
Total Pages : 690 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Wave Fields in Real Media by : José M. Carcione

Download or read book Wave Fields in Real Media written by José M. Carcione and published by Elsevier. This book was released on 2014-12-08 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt: Authored by the internationally renowned José M. Carcione, Wave Fields in Real Media: Wave Propagation in Anisotropic, Anelastic, Porous and Electromagnetic Media examines the differences between an ideal and a real description of wave propagation, starting with the introduction of relevant stress-strain relations. The combination of this relation and the equations of momentum conservation lead to the equation of motion. The differential formulation is written in terms of memory variables, and Biot's theory is used to describe wave propagation in porous media. For each rheology, a plane-wave analysis is performed in order to understand the physics of wave propagation. This book contains a review of the main direct numerical methods for solving the equation of motion in the time and space domains. The emphasis is on geophysical applications for seismic exploration, but researchers in the fields of earthquake seismology, rock acoustics, and material science - including many branches of acoustics of fluids and solids - may also find this text useful. New to this edition: This new edition presents the fundamentals of wave propagation in Anisotropic, Anelastic, Porous Media while also incorporating the latest research from the past 7 years, including that of the author. The author presents all the equations and concepts necessary to understand the physics of wave propagation. These equations form the basis for modeling and inversion of seismic and electromagnetic data. Additionally, demonstrations are given, so the book can be used to teach post-graduate courses. Addition of new and revised content is approximately 30%. Examines the fundamentals of wave propagation in anisotropic, anelastic and porous media Presents all equations and concepts necessary to understand the physics of wave propagation, with examples Emphasizes geophysics, particularly, seismic exploration for hydrocarbon reservoirs, which is essential for exploration and production of oil

Springer Handbook of Acoustics

Author : Thomas Rossing
Publisher : Springer Science & Business Media
ISBN 13 : 0387304460
Total Pages : 1179 pages
Book Rating : 4.3/5 (873 download)

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Book Synopsis Springer Handbook of Acoustics by : Thomas Rossing

Download or read book Springer Handbook of Acoustics written by Thomas Rossing and published by Springer Science & Business Media. This book was released on 2007-06-21 with total page 1179 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an unparalleled modern handbook reflecting the richly interdisciplinary nature of acoustics edited by an acknowledged master in the field. The handbook reviews the most important areas of the subject, with emphasis on current research. The authors of the various chapters are all experts in their fields. Each chapter is richly illustrated with figures and tables. The latest research and applications are incorporated throughout, including computer recognition and synthesis of speech, physiological acoustics, diagnostic imaging and therapeutic applications and acoustical oceanography. An accompanying CD-ROM contains audio and video files.

Wave Propagation in Viscoelastic and Poroelastic Continua

Author : Martin Schanz
Publisher : Springer Science & Business Media
ISBN 13 : 3540445757
Total Pages : 176 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Wave Propagation in Viscoelastic and Poroelastic Continua by : Martin Schanz

Download or read book Wave Propagation in Viscoelastic and Poroelastic Continua written by Martin Schanz and published by Springer Science & Business Media. This book was released on 2012-11-27 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wave propagation is an important topic in engineering sciences, especially, in the field of solid mechanics. A description of wave propagation phenomena is given by Graff [98]: The effect of a sharply applied, localized disturbance in a medium soon transmits or 'spreads' to other parts of the medium. These effects are familiar to everyone, e.g., transmission of sound in air, the spreading of ripples on a pond of water, or the transmission of radio waves. From all wave types in nature, here, attention is focused only on waves in solids. Thus, solely mechanical disturbances in contrast to electro-magnetic or acoustic disturbances are considered. of waves - the compression wave similar to the In solids, there are two types pressure wave in fluids and, additionally, the shear wave. Due to continual reflec tions at boundaries and propagation of waves in bounded solids after some time a steady state is reached. Depending on the influence of the inertia terms, this state is governed by a static or dynamic equilibrium in frequency domain. However, if the rate of onset of the load is high compared to the time needed to reach this steady state, wave propagation phenomena have to be considered.

Duct Acoustics

Author : Erkan Dokumacı
Publisher : Cambridge University Press
ISBN 13 : 1108840752
Total Pages : 607 pages
Book Rating : 4.1/5 (88 download)

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Book Synopsis Duct Acoustics by : Erkan Dokumacı

Download or read book Duct Acoustics written by Erkan Dokumacı and published by Cambridge University Press. This book was released on 2021-05-13 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understand topics ranging from the foundations of duct acoustics to acoustic design of mufflers and silencers with this hands-on reference.

Acoustics in Moving Inhomogeneous Media

Author : Vladimir E. Ostashev
Publisher : CRC Press
ISBN 13 : 1482266652
Total Pages : 537 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Acoustics in Moving Inhomogeneous Media by : Vladimir E. Ostashev

Download or read book Acoustics in Moving Inhomogeneous Media written by Vladimir E. Ostashev and published by CRC Press. This book was released on 2015-09-18 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduces Systematic Formulations for Use in Acoustic ApplicationsAcoustics in Moving Inhomogeneous Media, Second Edition offers a uniquely complete and rigorous study of sound propagation and scattering in moving media with deterministic and random inhomogeneities. This study is of great importance in many fields including atmospheric and oceanic

Acoustics of Materials

Author : Zine El Abiddine Fellah
Publisher : BoD – Books on Demand
ISBN 13 : 1838803491
Total Pages : 208 pages
Book Rating : 4.8/5 (388 download)

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Book Synopsis Acoustics of Materials by : Zine El Abiddine Fellah

Download or read book Acoustics of Materials written by Zine El Abiddine Fellah and published by BoD – Books on Demand. This book was released on 2019-04-25 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with acoustic wave interaction with different materials, such as porous materials, crystals, biological tissues, nanofibers, etc. Physical phenomena and mathematical models are described, numerical simulations and theoretical predictions are compared to experimental data, and the results are discussed by evoking new trends and perspectives. Several approaches and applications are developed, including non-linear elasticity, propagation, diffusion, soundscape, environmental acoustics, mechanotransduction, infrasound, acoustic beam, microwave sensors, and insulation. The book is composed of three sections: Control of Sound - Absorbing Materials for Damping of Sound, Sound Propagation in Complex/Porous materials and Nondestructive Testing (NDT), Non Linearity, Leakage.

Acoustic Absorbers and Diffusers

Author : Trevor J. Cox
Publisher : CRC Press
ISBN 13 : 0203893050
Total Pages : 495 pages
Book Rating : 4.2/5 (38 download)

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Book Synopsis Acoustic Absorbers and Diffusers by : Trevor J. Cox

Download or read book Acoustic Absorbers and Diffusers written by Trevor J. Cox and published by CRC Press. This book was released on 2009-01-26 with total page 495 pages. Available in PDF, EPUB and Kindle. Book excerpt: Absorbers and diffusers are two of the main design tools for altering the acoustic conditions of rooms, semi-enclosed spaces and the outdoor environment. Their correct use is important for delivering high quality acoustics. Unique and authoritative, this book decribes how to effectively measure, model, design and apply diffusers and absorbers. It is a resource for new and experienced acousticians, seeking an understanding of the evolution, characteristics and application of modern diffusers. Absorption is a more established technology and so the book blends traditional designs with modern developments. The book covers practical and theoretical aspects of absorbers and diffusers and is well illustrated with examples of installations and case studies. This new edition brings Acoustic Absorbers and Diffusers up-to-date with current research, practice and standards. New developments in measurement, materials, theory and practice since the first edition (published in 2004) are included. The sections on absorbers are extended to include more about noise control.

Understanding Acoustics

Author : Steven L. Garrett
Publisher : Springer
ISBN 13 : 3319499785
Total Pages : 913 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Understanding Acoustics by : Steven L. Garrett

Download or read book Understanding Acoustics written by Steven L. Garrett and published by Springer. This book was released on 2017-02-24 with total page 913 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Formulas of Acoustics

Author : F.P. Mechel
Publisher : Springer Science & Business Media
ISBN 13 : 3662072963
Total Pages : 1197 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Formulas of Acoustics by : F.P. Mechel

Download or read book Formulas of Acoustics written by F.P. Mechel and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 1197 pages. Available in PDF, EPUB and Kindle. Book excerpt: This application-orientated collection of formulas has been written by applied scientists and industrial engineers for design professionals and students who work in engineering acoustics. It is subdivided into the most important fields of applied acoustics, each dealing with a well-defined type of problem. It provides easy and rapid access to profound and comprehensive information. In order to keep the text as concise as possible, the derivation of a formula is described as briefly as possible and the reader is referred to the original source. Besides the formulas, useful principles and computational procedures are given.

An Introduction to Seismology, Earthquakes, and Earth Structure

Author : Seth Stein
Publisher : John Wiley & Sons
ISBN 13 : 144431131X
Total Pages : 512 pages
Book Rating : 4.4/5 (443 download)

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Book Synopsis An Introduction to Seismology, Earthquakes, and Earth Structure by : Seth Stein

Download or read book An Introduction to Seismology, Earthquakes, and Earth Structure written by Seth Stein and published by John Wiley & Sons. This book was released on 2009-04-01 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: An Introduction to Seismology, Earthquakes and Earth Structures is an introduction to seismology and its role in the earth sciences, and is written for advanced undergraduate and beginning graduate students. The fundamentals of seismic wave propagation are developed using a physical approach and then applied to show how refraction, reflection, and teleseismic techniques are used to study the structure and thus the composition and evolution of the earth. The book shows how seismic waves are used to study earthquakes and are integrated with other data to investigate the plate tectonic processes that cause earthquakes. Figures, examples, problems, and computer exercises teach students about seismology in a creative and intuitive manner. Necessary mathematical tools including vector and tensor analysis, matrix algebra, Fourier analysis, statistics of errors, signal processing, and data inversion are introduced with many relevant examples. The text also addresses the fundamentals of seismometry and applications of seismology to societal issues. Special attention is paid to help students visualize connections between different topics and view seismology as an integrated science. An Introduction to Seismology, Earthquakes, and Earth Structure gives an excellent overview for students of geophysics and tectonics, and provides a strong foundation for further studies in seismology. Multidisciplinary examples throughout the text - catering to students in varied disciplines (geology, mineralogy, petrology, physics, etc.). Most up to date book on the market - includes recent seismic events such as the 1999 Earthquakes in Turkey, Greece, and Taiwan). Chapter outlines - each chapter begins with an outline and a list of learning objectives to help students focus and study. Essential math review - an entire section reviews the essential math needed to understand seismology. This can be covered in class or left to students to review as needed. End of chapter problem sets - homework problems that cover the material presented in the chapter. Solutions to all odd numbered problem sets are listed in the back so that students can track their progress. Extensive References - classic references and more current references are listed at the end of each chapter. A set of instructor's resources containing downloadable versions of all the figures in the book, errata and answers to homework problems is available at: http://levee.wustl.edu/seismology/book/. Also available on this website are PowerPoint lecture slides corresponding to the first 5 chapters of the book.

The Rock Physics Handbook

Author : Gary Mavko
Publisher : Cambridge University Press
ISBN 13 : 0521861365
Total Pages : 525 pages
Book Rating : 4.5/5 (218 download)

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Book Synopsis The Rock Physics Handbook by : Gary Mavko

Download or read book The Rock Physics Handbook written by Gary Mavko and published by Cambridge University Press. This book was released on 2009-04-30 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: A significantly expanded new edition of this practical guide to rock physics and geophysical interpretation for reservoir geophysicists and engineers.

Modeling and Measurement Methods for Acoustic Waves and for Acoustic Microdevices

Author : Marco G. Beghi
Publisher : BoD – Books on Demand
ISBN 13 : 9535111892
Total Pages : 616 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Modeling and Measurement Methods for Acoustic Waves and for Acoustic Microdevices by : Marco G. Beghi

Download or read book Modeling and Measurement Methods for Acoustic Waves and for Acoustic Microdevices written by Marco G. Beghi and published by BoD – Books on Demand. This book was released on 2013-08-28 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acoustics is a mature field which enjoys a never ending youth. New developments are induced by either the search for a better understanding, or by technological innovations. Micro-fabrication techniques introduced a whole new class of microdevices, which exploit acoustic waves for various tasks, and in particular for information processing and for sensing purposes. Performance improvements are achievable by better modelling tools, able to deal with more complex configurations, and by more refined techniques of fabrication and of integration in technological systems, like wireless communications. Several chapters of this book deal with modelling and fabrication techniques for microdevices, including unconventional phenomena and configurations. But this is far from exhausting the research lines in acoustics. Theoretical analyses and modelling techniques are presented, for phenomena ranging from the detection of cracks to the acoustics of the oceans. Measurement methods are also discussed, which probe by acoustic waves the properties of widely different systems.

Acoustic Analyses Using Matlab® and Ansys®

Author : Carl Q. Howard
Publisher : CRC Press
ISBN 13 : 1482223252
Total Pages : 711 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Acoustic Analyses Using Matlab® and Ansys® by : Carl Q. Howard

Download or read book Acoustic Analyses Using Matlab® and Ansys® written by Carl Q. Howard and published by CRC Press. This book was released on 2014-12-18 with total page 711 pages. Available in PDF, EPUB and Kindle. Book excerpt: Techniques and Tools for Solving Acoustics Problems This is the first book of its kind that describes the use of ANSYS® finite element analysis (FEA) software, and MATLAB® engineering programming software to solve acoustic problems. It covers simple text book problems, such as determining the natural frequencies of a duct, to progressively more complex problems that can only be solved using FEA software, such as acoustic absorption and fluid-structure-interaction. It also presents benchmark cases that can be used as starting points for analysis. There are practical hints too for using ANSYS software. The material describes how to solve numerous problems theoretically, and how to obtain solutions from the theory using MATLAB engineering software, as well as analyzing the same problem using ANSYS Workbench and ANSYS Mechanical APDL. Developed for the Practicing Engineer Free downloads on http://www.mecheng.adelaide.edu.au/avc/software, including MATLAB source code, ANSYS APDL models, and ANSYS Workbench models Includes readers’ techniques and tips for new and experienced users of ANSYS software Identifies bugs and deficiencies to help practitioners avoid making mistakes Acoustic Analyses Using MATLAB® and ANSYS® can be used as a textbook for graduate students in acoustics, vibration, and related areas in engineering; undergraduates in mechanical and electrical engineering; and as an authoritative reference for industry professionals.

Porosity

Author : Taher Ghrib
Publisher : BoD – Books on Demand
ISBN 13 : 178923042X
Total Pages : 248 pages
Book Rating : 4.7/5 (892 download)

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Book Synopsis Porosity by : Taher Ghrib

Download or read book Porosity written by Taher Ghrib and published by BoD – Books on Demand. This book was released on 2018-04-26 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses multiways in the porous materials. It involves materials with a large number of holes, and it highlights the synthesis, structure, and surface properties of porous materials closely related to more applications, such as support, catalyst, energy storage, chemical reactions, and optical applications. It studies the effect of the filling materials, the thermal treatments, and the porous density in the improvement of physical properties, electrical and energy efficiency, and the generation of new materials. Some synthetic process will be discussed with the effect of some parameters on the final characteristics of the prepared porous structures.