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Nonlinear Acoustics: Theory and Applications is an introductory text on the theory and applications of nonlinear acoustics. This book develops the theory on nonlinear acoustics from physical principles

Nonlinear Acoustics: Theory and Applications is an introductory text on the theory and applications of nonlinear acoustics. This book develops the theory on nonlinear acoustics from physical principles. The first half of the book develops the physical concepts.

Nonlinear acoustics (NLA) is a branch of physics and acoustics dealing with sound waves of sufficiently large amplitudes. Large amplitudes require using full systems of governing equations of fluid dynamics (for sound waves in liquids and gases) and elasticity (for sound waves in solids). These equations are generally nonlinear, and their traditional linearization is no longer possible

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The modern era of nonlinear underwater acoustics had its roots in a remarkable session at the 57th ASA .

The modern era of nonlinear underwater acoustics had its roots in a remarkable session at the 57th ASA meeting at Providence RI in June, 1960, chaired by Westervelt, of Brown University, who also presented his remarkable new theory of the parametric acoustic array. Topics have included parametric arrays, the nonlinear generation of harmonic radiations and transients, acoustic saturation, nonlinear transmitting and receiving sonar and imaging, and many practical applications to underwater sound and acoustical oceanography.

Nonlinear underwater acoustics. Applies the basic theory of nonlinear acoustic propagation to directional sound sources and receivers, including design nomographs and construction details of parametric arrays. B. K. Novikov, O. V. Rudenko, V. I. Timoshenko. Translated by Robert T. Beyer.

For many applications of nonlinear acoustic phenomena the magnitude of an acoustic medium's nonlinearity can be quantified using a single value known as the parameter of nonlinearity. This convention is often attributed to Robert T. Beyer, stemming from his influential 1960 paper titled Parameter of Nonlinearity in Fluids and his subsequent texts on the subject Nonlinear Acoustics.

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Translated by Robert T.

The very basic standard elements of nonlinear acoustics are presented: The origin of nonlinearity, equations of state, simple nonlinear waves and shock wave formation

The very basic standard elements of nonlinear acoustics are presented: The origin of nonlinearity, equations of state, simple nonlinear waves and shock wave formation  . Part of the Lecture Notes in Physics book series (LNP, volume 586). The very basic standard elements of nonlinear acoustics are presented: The origin of nonlinearity, equations of state, simple nonlinear waves and shock wave formation. Sonoluminescence is chosen as a modern example of nonlinear acoustics. Some notations from nonlinear dynamics are introduced needed for understanding chaotic dynamics and acoustic chaotic systems.

Certain imaging techniques actually rely on the nonlinearity and second harmonic generation to enhance resolution

When the amplitude of the acoustic waves becomes large enough, the linear assumption most often used is no longer valid. As an example, propagating wave troughs and crests will no longer move at the same speed, and signals get distorted. Certain imaging techniques actually rely on the nonlinearity and second harmonic generation to enhance resolution. Nonlinear effects due to vorticity generation can be seen in loudspeaker ports as well as in perforates, where they can cause distortion.

Nonlinear Acoustics epub download

ISBN13: 978-0974406756

ISBN: 0974406759

Category: No category

Language: English

Publisher: Acoustical Society of America

ePUB size: 1519 kb

FB2 size: 1136 kb

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