FINITE ELEMENT COMPUTATION OF ATTENUATIO
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A. Cummings; R.J. Astley
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Article
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1996
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Elsevier Science
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English
⚖ 393 KB
A finite element formulation for sound attenuation in ''bar-silencers'', consisting of rectangular prisms of sound-absorbing material placed in a rectangular lattice arrangement within a rigid-walled duct, is described. The presence of a uniform mean gas flow in the ''airway'' of the silencer is tak