Optimization of a Composite Double-Walled Cylindrical Shell Lined with Porous Materials for Higher Sound Transmission Loss by using a Genetic Algorithm

被引：6
|
作者：
Ramezani, H. [1 ,2 ]
Saghafi, A. [3 ]
机构：
[1] Islamic Azad Univ, Dept Mech Engn, ShahreRey Branch, Tehran, Iran
[2] Tarbiat Modares Univ, Dept Mech Engn, Tehran, Iran
[3] Iran Univ Sci & Technol, Sch Math, Tehran, Iran
来源：
MECHANICS OF COMPOSITE MATERIALS | 2014年 / 50卷 / 01期
关键词：
transmission loss; genetic algorithm; porous media; cylindrical laminate composite shell; OPTIMAL-DESIGN;
D O I：
10.1007/s11029-014-9394-2
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A study on the optimization of sound transmission loss (TL) across a double-walled cylindrical laminated composite shell whose walls sandwich a layer of porous material is investigated using a genetic algorithm. First, an exact relation is presented by considering the effective wave component in the porous layer within the framework of the classic theory for laminated composite shells. The TL of the structure is estimated in a broadband frequency. Then, an acoustic optimization is considered for the sandwich structure with respect to the constraints of geometric properties.
引用
收藏
页码：71 / 82
页数：12
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