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The Effect of Sound Bridge Eccentricity on the Sound Propagation in Double Walls

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Analysis of plane acoustic wave propagation in one dimensional elements of a two dimensional system is used in order to outline the flanking through sound bridges. The effect of eccentricity which is characterized by additional moments was examined here. The numerical results give the particle velocity distribution within the double wall skins.


Die Analyse der Ausbreitung von ebenen akustischen Wellen in eindimensionalen Elementen eines zweidimensionalen Systems wird verwendet, um die Übertragung durch Schallbrücken darzustellen. In dieser Arbeit wurde der Effekt der Exzentrizität untersucht, der durch zusätzliche Momente charakterisiert ist. Die numerischen Ergebnisse liefern die Verteilung der Teilchengeschwindigkeit auf doppelwandigen Oberflächen.


On applique une analyse de la propagation par ondes acoustiques planes dans des éléments unidimensionnels d'un système à deux dimensions et on met en évidence des effets de passage latéral par ponts acoustiques. On examine notamment l'effet d'excentricité qui est caractérisé par l'intervention de moments additionnels. Des résultats numériques fournissent la distribution des vitesses particulaires à l'intérieur des pellicules d'air enrobant une paroi double.
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Document Type: Research Article

Publication date: December 1, 1982

More about this publication?
  • 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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