Optimization of multilayered panels with poroelastic components for an acoustical transmission objective

被引：47

作者：

Tanneau, O. ^{[1
]}

Casimir, J. B. ^{[1
]}

Lamary, P. ^{[1
]}

机构：

[1] Inst Super Mecan Paris, F-93407 St Ouen, France

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2006年 / 120卷 / 03期

关键词：

D O I：

10.1121/1.2228663

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

A method for optimizing acoustical linings is described and applied to multilayered panels including solid, fluid, and porous components. This optimization is based on an analytical. simulation of the insulation properties and a genetic algorithm. The objective function is defined by taking into account both the acoustical frequency response over a 1/3 octave spectrum and the total mass of the panel. The optimization process gives rise to an optimal choice for the number of layers as well as for the nature and the thickness of each layer that maximizes the transmission loss. A practical example of such an optimization is described. (c) 2006 Acoustical Society of America.

引用

页码：1227 / 1238

页数：12

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