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Foundation of Statistical Energy Analysis in Vibroacoustics

2015-05-28 Science
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Release : 2015-05-28
Genre : Science
Kind : eBook
Book Rating : 462/5 ( reviews)

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Book Synopsis Foundation of Statistical Energy Analysis in Vibroacoustics by : A. Le Bot

Download or read book Foundation of Statistical Energy Analysis in Vibroacoustics written by A. Le Bot. This book was released on 2015-05-28. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an in-depth study of the foundations of statistical energy analysis, with a focus on examining the statistical theory of sound and vibration. In the modal approach, an introduction to random vibration with application to complex systems having a large number of modes is provided. For the wave approach, the phenomena of propagation, group speed, and energy transport are extensively discussed. Particular emphasis is given to the emergence of the diffuse field, the central concept of the theory. All important notions are gradually introduced—-making the text self-contained—-to lead the reader to the ultimate result of `coupling power proportionality' and the concept of `vibrational temperature'. Further key topics include the analogy between thermodynamics and sound vibration. Applications are concerned with random vibration in mass—spring resonators, strings, beams, rods, and plates but also reverberation in room acoustics, radiation of sound, and sound response.

Foundation of Statistical Energy Analysis in Vibroacoustics

2015 Sound-waves
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Release : 2015
Genre : Sound-waves
Kind : eBook
Book Rating : 173/5 ( reviews)

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Book Synopsis Foundation of Statistical Energy Analysis in Vibroacoustics by : A. Le Bot

Download or read book Foundation of Statistical Energy Analysis in Vibroacoustics written by A. Le Bot. This book was released on 2015. Available in PDF, EPUB and Kindle. Book excerpt: This title deals with the statistical theory of sound and vibration. The foundation of statistical energy analysis is presented in great detail. In the modal approach, an introduction to random vibration with application to complex systems having a large number of modes is provided. For the wave approach, the phenomena of propagation, group speed, and energy transport are extensively discussed. Particular emphasis is given to the emergence of diffuse field, the central concept of the theory.

Vibroacoustic Simulation

2022-05-11 Technology & Engineering
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Release : 2022-05-11
Genre : Technology & Engineering
Kind : eBook
Book Rating : 861/5 ( reviews)

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Book Synopsis Vibroacoustic Simulation by : Alexander Peiffer

Download or read book Vibroacoustic Simulation written by Alexander Peiffer. This book was released on 2022-05-11. Available in PDF, EPUB and Kindle. Book excerpt: VIBROACOUSTIC SIMULATION Learn to master the full range of vibroacoustic simulation using both SEA and hybrid FEM/SEA methods Vibroacoustic simulation is the discipline of modelling and predicting the acoustic waves and vibration of particular objects, systems, or structures. This is done through finite element methods (FEM) or statistical energy analysis (SEA) to cover the full frequency range. In the mid-frequency range, both methods must be combined into a hybrid FEM/SEA approach. By doing so, engineers can model full frequency vibroacoustic simulations in complex technical systems used in aircraft, trains, cars, ships, and satellites. Indeed, hybrid approaches are increasingly used in the automotive, aerospace, and rail industries. Previously covered primarily in scientific journals, Vibroacoustic Simulation provides a practical approach that helps readers master the full frequency range of vibroacoustic simulation. Through a systematic approach, the book illustrates why both FEM and SEA are necessary in acoustic engineering and how both can be used in combination through hybrid methodologies. Striking a crucial balance between complex theories and practical applications, the text provides real-world examples of vibroacoustic simulation, such as fuselage simulation, interior-noise prediction for electric and combustion vehicles, train profiles, and more, to help elucidate the concepts described within. Vibroacoustic Simulation also features: A balance of complex theories with the nuts and bolts of real-world applications Detailed worked examples of junction equations Case studies from companies like Audi and Airbus that illustrate how the methods discussed have been applied in real-world projects A companion website that provides corresponding Python codes for all examples, allowing readers to work through the examples on their own Vibroacoustic Simulation is a useful reference for acoustic and mechanical engineers working in the automotive, aerospace, defense, or rail industries, as well as researchers and graduate students studying acoustics.

Theory and Application of Statistical Energy Analysis

2014-06-28 Technology & Engineering
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Release : 2014-06-28
Genre : Technology & Engineering
Kind : eBook
Book Rating : 431/5 ( reviews)

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Book Synopsis Theory and Application of Statistical Energy Analysis by : Richard H Lyon

Download or read book Theory and Application of Statistical Energy Analysis written by Richard H Lyon. This book was released on 2014-06-28. Available in PDF, EPUB and Kindle. Book excerpt: This up-to-date second edition provides a comprehensive examination of the theory and application of Statistical Energy Analysis (SEA) in acoustics and vibration. Complete with examples and data taken from real problems this unique book also exploresthe influence of computers on SEA and emphasizes computer based SEA calculations. In addition to a discussion of the relationship between SEA and other procedures used in response estimation, Theory and Application of Statistical Energy Anlaysis, SecondEdition, explores the basic relationships between model and wave descriptions of systems.

Engineering Vibroacoustic Analysis

2016-05-02 Technology & Engineering
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Release : 2016-05-02
Genre : Technology & Engineering
Kind : eBook
Book Rating : 448/5 ( reviews)

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Book Synopsis Engineering Vibroacoustic Analysis by : Stephen A. Hambric

Download or read book Engineering Vibroacoustic Analysis written by Stephen A. Hambric. This book was released on 2016-05-02. Available in PDF, EPUB and Kindle. Book excerpt: The book describes analytical methods (based primarily on classical modal synthesis), the Finite Element Method (FEM), Boundary Element Method (BEM), Statistical Energy Analysis (SEA), Energy Finite Element Analysis (EFEA), Hybrid Methods (FEM-SEA and Transfer Path Analysis), and Wave-Based Methods. The book also includes procedures for designing noise and vibration control treatments, optimizing structures for reduced vibration and noise, and estimating the uncertainties in analysis results. Written by several well-known authors, each chapter includes theoretical formulations, along with practical applications to actual structural-acoustic systems. Readers will learn how to use vibroacoustic analysis methods in product design and development; how to perform transient, frequency (deterministic and random), and statistical vibroacoustic analyses; and how to choose appropriate structural and acoustic computational methods for their applications. The book can be used as a general reference for practicing engineers, or as a text for a technical short course or graduate course.

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