2005
DOI: 10.1016/j.jsv.2004.09.034
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A wave model for rigid-frame porous materials using lumped parameter concepts

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Cited by 7 publications
(6 citation statements)
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“…Despite the fact that porous media are commonly used as sound absorbers (Sgard et al, 2005;Rossetti et al, 2005), we are not aware of any research which applies formal optimization methods to the systematic design of such media. In this section, we show how the GA can be used to find optimal designs of periodic, fluid-filled porous media consisting of a SiC matrix, with H 2 O filling the pore space.…”
Section: Pnbg Design Of Fluid-filled Porous Mediamentioning
confidence: 99%
“…Despite the fact that porous media are commonly used as sound absorbers (Sgard et al, 2005;Rossetti et al, 2005), we are not aware of any research which applies formal optimization methods to the systematic design of such media. In this section, we show how the GA can be used to find optimal designs of periodic, fluid-filled porous media consisting of a SiC matrix, with H 2 O filling the pore space.…”
Section: Pnbg Design Of Fluid-filled Porous Mediamentioning
confidence: 99%
“…In a silencer, the absorbent material that wraps one or several perforated ducts can be characterized on many occasions as an isotropic structure. There exist internal cavities or interconnected pores in the structure, randomly distributed, in which the air can move [146]. The path followed by the air through a porous structure, when mean flow is considered, is generally defined by a tortuous path.…”
Section: Absorbent Materialsmentioning
confidence: 99%
“…En dicha estructura existen internamente cavidades o poros interconectados, distribuidos aleatoriamente, en los que el aire puede moverse [113]. El paso del aire a través de una estructura porosa, bajo condiciones de flujo medio, generalmente se define mediante una trayectoria tortuosa.…”
Section: Materiales Absorbentesunclassified