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Sound and Structural Vibration

Sound and Structural Vibration Author Frank J. Fahy
ISBN-10 9780080517377
Release 2012-12-02
Pages 309
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This book presents a unified qualitative and quantitative account of the physical mechanisms and characteristics of linear interaction between audio-frequency vibrational motion in compressible fluids and structures with which they are in contact. The primary purpose is to instruct the reader in theoretical approaches to the modelling and analysis of interactions, whilst simultaneously providing physical explanations of their dependence upon the parameters of the coupled systems. It is primarily to the engineering student that the book is addressed, in the firm belief that a good engineer remains a student throughout his professional life. A preoccupation with the relevance and validity of theoretical analyses in relation to practical problems is a hallmark of results obtained from theoretical analysis of idealized models and the behaviour of the less than ideal realities from which they are abstracted.

Structure Borne Sound

Structure Borne Sound Author L. Cremer
ISBN-10 9783662101216
Release 2013-03-09
Pages 573
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Since structure-borne sound plays an important role in noise control, material testing and machine diagnosis, the relevant properties of the most important elements of a construction (plates, beams and shells) are investigated. Measurement techniques, equations of motion, formulas for wave speeds, resonance frequencies, impedances, transmission coefficients etc. are given. The different damping mechanisms and the radiation properties are treated. The statistical energy analysis (SEA) is also presented. This new edition has been enlarged to include also waves on orthotropic plates, and the vibration and radiation of cylindrical shells.

Fundamentals of Noise and Vibration

Fundamentals of Noise and Vibration Author Frank Fahy
ISBN-10 0419241809
Release 1998-10-01
Pages 536
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Fundamentals of Noise and Vibration is based on the first semester of the postgraduate Masters' course in Sound and Vibration Studies at the Institute of Sound and Vibration Research, at the University of Southampton. The main objective of the course is to provide students with the skills and knowledge required to practise in the field of noise and vibration control technology. Readers do not need prior formal training in acoustics although a basic understanding of mechanics, fluid dynamics and applied mathematics is required. Many of the chapters use examples of models and forms of analysis to illustrate the principles that they introduce. By pointing toward the practical application of these fundamental principles and methods, the book will benefit those wishing to extend their knowledge and understanding of acoustic and vibration technology for professional purposes. Advanced Applications in Acoustucs, Noise and Vibration serves as a companion volume.

Active Control of Vibration

Active Control of Vibration Author C. R. Fuller
ISBN-10 0122694406
Release 1997-09-08
Pages 332
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This book is a companion text to Active Control of Sound by P.A. Nelson and S.J. Elliott, also published by Academic Press. It summarizes the principles underlying active vibration control and its practical applications by combining material from vibrations, mechanics, signal processing, acoustics, and control theory. The emphasis of the book is on the active control of waves in structures, the active isolation of vibrations, the use of distributed strain actuators and sensors, and the active control of structurally radiated sound. The feedforward control of deterministic disturbances, the active control of structural waves and the active isolation of vibrations are covered in detail, as well as the more conventional work on modal feedback. The principles of the transducers used as actuateors and sensors for such control strategies are also given an in-depth description. The reader will find particularly interesting the two chapters on the active control of sound radiation from structures: active structural acoustic control. The reason for controlling high frequency vibration is often to prevent sound radiation, and the principles and practical application of such techniques are presented here for both plates and cylinders. The volume is written in textbook style and is aimed at students, practicing engineers, and researchers. * Combines material from vibrations, signal processing, mechanics, and controls * Summarizes new research in the field

Control of Noise and Structural Vibration

Control of Noise and Structural Vibration Author Qibo Mao
ISBN-10 9781447150916
Release 2013-06-02
Pages 369
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Control of Noise and Structural Vibration presents a MATLAB®-based approach to solving the problems of undesirable noise generation and transmission by structures and of undesirable vibration within structures in response to environmental or operational forces. The fundamentals of acoustics, vibration and coupling between vibrating structures and the sound fields they generate are introduced including a discussion of the finite element method for vibration analysis. Following this, the treatment of sound and vibration control begins, illustrated by example systems such as beams, plates and double walls. Sensor and actuator placement is explained as is the idea of modal sensor–actuators. The design of appropriate feedback systems includes consideration of basic stability criteria and robust active structural acoustic control. Positive position feedback (PPF) and multimode control are also described in the context of loudspeaker–duct and loudspeaker–microphone models. The design of various components is detailed including the analog circuit for PPF, adaptive (semi-active) Helmholtz resonators and shunt piezoelectric circuits for noise and vibration suppression. The text makes extensive use of MATLAB® examples and these can be simulated using files available for download from the book’s webpage at End-of-chapter exercises will help readers to assimilate the material as they progress through the book. Control of Noise and Structural Vibration will be of considerable interest to the student of vibration and noise control and also to academic researchers working in the field. It’s tutorial features will help practitioners who wish to update their knowledge with self-study.

Handbook of Noise and Vibration Control

Handbook of Noise and Vibration Control Author Malcolm J. Crocker
ISBN-10 9780471395997
Release 2007-10-05
Pages 1569
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Two of the most acclaimed reference works in the area of acoustics in recent years have been our Encyclopedia of Acoustics, 4 Volume set and the Handbook of Acoustics spin–off. These works, edited by Malcolm Crocker, positioned Wiley as a major player in the acoustics reference market. With our recently published revision of Beranek & Ver′s Noise and Vibration Control Engineering, Wiley is a highly respected name in the acoustics business. Crocker′s new handbook covers an area of great importance to engineers and designers. Noise and vibration control is one largest areas of application of the acoustics topics covered in the successful encyclopedia and handbook. It is also an area that has been under–published in recent years. Crocker has positioned this reference to cover the gamut of topics while focusing more on the applications to industrial needs. In this way the book will become the best single source of need–to–know information for the professional markets.

Fourier Acoustics

Fourier Acoustics Author Earl George Williams
ISBN-10 0127539603
Release 1999
Pages 306
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Intended a both a textbook and a reference, Fourier Acoustics develops the theory of sound radiation uniquely from the viewpoint of Fourier Analysis. This powerful perspective of sound radiation provides the reader with a comprehensive and practical understanding which will enable him or her to diagnose and solve sound and vibration problems in the 21st Century. As a result of this perspective, Fourier Acoustics is able to present thoroughly and simply, for the first time in book form, the theory of nearfield acoustical holography, an important technique which has revolutionised the measurement of sound. Relying little on material outside the book, Fourier Acoustics will be invaluable as a graduate level text as well as a reference for researchers in academia and industry. The physics of wave propogation and sound vibration in homogeneous media Acoustics, such as radiation of sound, and radiation from vibrating surfaces Inverse problems, such as the theory of nearfield acoustical holography Mathematics of specialized functions, such as spherical harmonics

Foundations of Engineering Acoustics

Foundations of Engineering Acoustics Author Frank Fahy
ISBN-10 0122476654
Release 2001
Pages 443
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Foundations of Engineering Acoustics takes the reader on a journey from a qualitative introduction to the physical nature of sound, explained in terms of common experience, to mathematical models and analytical results which underlie the techniques applied by the engineering industry to improve the acoustic performance of their products. The book is distinguished by extensive descriptions and explanations of audio-frequency acoustic phenomena and their relevance to engineering, supported by a wealth of diagrams, and by a guide for teachers of tried and tested class demonstrations and laboratory-based experiments. Foundations of Engineering Acoustics is a textbook suitable for both senior undergraduate and postgraduate courses in mechanical, aerospace, marine, and possibly electrical and civil engineering schools at universities. It will be a valuable reference for academic teachers and researchers and will also assist Industrial Acoustic Group staff and Consultants. Comprehensive and up-to-date: broad coverage, many illustrations, questions, elaborated answers, references and a bibliography Introductory chapter on the importance of sound in technology and the role of the engineering acoustician Deals with the fundamental concepts, principles, theories and forms of mathematical representation, rather than methodology Frequent reference to practical applications and contemporary technology Emphasises qualitative, physical introductions to each principal as an entrée to mathematical analysis for the less theoretically oriented readers and courses Provides a 'cook book' of demonstrations and laboratory-based experiments for teachers Useful for discussing acoustical problems with non-expert clients/managers because the descriptive sections are couched in largely non-technical language and any jargon is explained Draws on the vast pedagogic experience of the writer

Sound Structures and Their Interaction

Sound  Structures  and Their Interaction Author Miguel C. Junger
ISBN-10 0262600536
Release 1986
Pages 448
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A comprehensive treatment of theoretical acoustics, structural vibrations, and the interaction of elastic structures with an ambient acoustic medium.

Active Control of Noise and Vibration Second Edition

Active Control of Noise and Vibration  Second Edition Author Colin Hansen
ISBN-10 9781482234008
Release 2012-11-02
Pages 1553
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Since the publication of the first edition, considerable progress has been made in the development and application of active noise control (ANC) systems, particularly in the propeller aircraft and automotive industries. Treating the active control of both sound and vibration in a unified way, this second edition of Active Control of Noise and Vibration continues to combine coverage of fundamental principles with the most recent theoretical and practical developments. What’s New in This Edition Revised, expanded, and updated information in every chapter Advances in feedforward control algorithms, DSP hardware, and applications Practical application examples of active control of noise propagating in ducts The use of a sound intensity cost function, model reference control, sensing radiation modes, modal filtering, and a comparison of the effectiveness of various sensing strategies New material on feedback control of sound transmission into enclosed spaces New material on model uncertainty, experimental determination of the system model, optimization of the truncated model, collocated actuators and sensors, biologically inspired control, and a discussion of centralised versus de-centralised control A completely revised chapter on control system implementation New material on parametric array loudspeakers, turbulence filtering, and virtual sensing More material on smart structures, electrorheological fluids, and magnetorheological fluids Integrating the related disciplines of active noise control and active vibration control, this comprehensive two-volume set explains how to design and implement successful active control systems in practice. It also details the pitfalls one must avoid to ensure a reliable and stable system.

Passive vibration control

Passive vibration control Author Denys J. Mead
ISBN-10 0471942030
Release 1999-01-05
Pages 540
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A comprehensive account concerning the vibration control of equipment and tools as well as sound. Addresses those passive means developed over the years to control and restrict the level of vibration which may be produced. The first section contains the background vibration theory essential to understanding the nature of structural vibration and the structural parameters on which vibration levels depend. The latter half is devoted to the three parameters which can be tuned: stiffness, mass and damping. Describes various methods of passive vibration control techniques. Results of the author's internationally renowned research on damping are included.

Fundamentals of Noise and Vibration Analysis for Engineers

Fundamentals of Noise and Vibration Analysis for Engineers Author M. P. Norton
ISBN-10 0521499135
Release 2003-10-16
Pages 631
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Extensively updated edition of Norton's classic text on noise and vibration for students, researchers and engineers.

Sound Transmission Through Buildings

Sound Transmission Through Buildings Author Robert J. M. Craik
ISBN-10 0566075725
Release 1996-01-01
Pages 261
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In building acoustics, it is noise transmission in the audio frequencies which is usually of greatest interest. For this type of problem deterministic solutions are inappropriate and techniques such as statistical energy analysis (SEA) have to be used. The SEA approach to solving complex problems associated with acoustics and vibration was originally developed for use in the design of spacecraft in the 1960s, and has since been applied to problems such as sound transmission in buildings, ships, aircraft, cars and rail vehicles. This book describes the principles of SEA with particular reference to sound transmission through buildings. The book provides an introductory text for new users of SEA giving all the information necessary for its application to standard structures. It also includes detailed analysis techniques for more experienced users. The book shows how SEA can be used for sound transmission through buildings with particular emphasis on complex constructions such as double walls and flanking transmission.

Introduction to Finite Element Vibration Analysis

Introduction to Finite Element Vibration Analysis Author Maurice Petyt
ISBN-10 0521634172
Release 1998-07-30
Pages 558
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First time paperback of successful mechanical engineering book suitable as a textbook for graduate students in mechanical engineering.

Machinery Noise and Diagnostics

Machinery Noise and Diagnostics Author Richard H Lyon
ISBN-10 9781483289458
Release 2013-10-22
Pages 312
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Machinery Noise and Diagnostics provides engineers with an understanding of how dynamic forces produce structural vibration in machines and how these vibrations are transmitted through the machine and produce radiated sound. The book presents the theoretical and practical aspects of machinery noise and diagnostics. The chapters contained in the text discuss subjects on the integration of noise reduction into the design process; sounds radiated by machines; the vibratory or acoustical signals picked up by a sensor and used for diagnostics; and other aspects of diagnostic procedures likely to be important in future machine monitoring systems. This publication will be of value to mechanical engineers, mechanics and machine designers.

Handbook of Acoustics

Handbook of Acoustics Author Malcolm J. Crocker
ISBN-10 047125293X
Release 1998-03-09
Pages 1461
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Acoustical engineers, researchers, architects, and designers need a comprehensive, single-volume reference that provides quick and convenient access to important information, answers and questions on a broad spectrum of topics, and helps solve the toughest problems in acoustical design and engineering. The Handbook of Acoustics meets that need. It offers concise coverage of the science and engineering of acoustics and vibration. In more than 100 clearly written chapters, experts from around the world share their knowledge and expertise in topics ranging from basic aerodynamics and jet noise to acoustical signal processing, and from the interaction of fluid motion and sound to infrasound, ultrasonics, and quantum acoustics. Topics covered include: * General linear acoustics * Nonlinear acoustics and cavitation * Aeroacoustics and atmospheric sound * Mechanical vibrations and shock * Statistical methods in acoustics * Architectural acoustics * Physiological acoustics * Underwater sound * Ultrasonics, quantum acoustics, and physical aspects of sound * Noise: its effects and control * Acoustical signal processing * Psychological acoustics * Speech communication * Music and musical acoustics * Acoustical measurements and instrumentation * Transducers The Handbook of Acoustics belongs on the reference shelf of every engineer, architect, research scientist, or designer with a professional interest in the propagation, control, transmission, and effects of sound.

Fundamentals of Physical Acoustics

Fundamentals of Physical Acoustics Author David T. Blackstock
ISBN-10 0471319791
Release 2000-04-24
Pages 541
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Blackstock (mechanical engineering, U. of Texas) presents an introductory textbook on the physics of sound written for a two-semester graduate-level course. For part of the book, he attempts to keep the mathematics at a fairly basic level, while covering such topics as propagation, reflection and tr.