A Simplified Approach to the Mechanics of Acoustical Wave Propagation Applicable to the Problems of Radiation Pressure Part I: On the Theory of Longitudinal Wave Propagation
The concepts of continuum mechanics will be applied to the propagation of a plane, longitudinal, simple, acoustic wave of finite amplitude in an arbitrary medium. In this way a relationship will be found between the characteristic (∂x/∂t) v and the equation of state of the sound conducting medium, p = p(ϱ), v = v(ϱ). This relationship holds for any physically existing medium. In this relationship two parameters will figure: C 0, the velocity of sound and α. α represents the nonlinearity of the wave propagation and it is a measure of the distortion of the wave in the medium. The equation of state will be defined of a linear medium, i.e. a medium propagating without any distortion. This medium will be called isomorphium henceforth.
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Document Type: Research Article
Publication date: January 1, 1978
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- Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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