Structural-acoustic Design of a Multi-functional Sandwich Panel in an Automotive Context

被引：25
|
作者：
Cameron, Christopher J. [1 ]
Wennhage, Per [1 ]
Goransson, Peter [1 ]
Rahmqvist, Sven [2 ]
机构：
[1] KTH, Ctr Vehicle Design ECO2, KTH Aeronaut & Vehicle Engn, SE-10044 Stockholm, Sweden
[2] Saab Automobile AB, Body Struct & Closures Noise & Vibrat Ctr, SE-46180 Trollhattan, Sweden
来源：
JOURNAL OF SANDWICH STRUCTURES & MATERIALS | 2010年 / 12卷 / 06期
关键词：
sandwich structures; acoustic modeling; design optimization; DAMPING TREATMENTS; NOISE;
D O I：
10.1177/1099636209359845
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This article deals with the design and weight optimization of a multi-functional vehicle body panel in an automotive context. An existing vehicle design has provided functional design requirements regarding static, dynamic, and acoustic behavior of the components of a car roof. A novel, multifunctional panel is proposed which integrates the component requirements present in a traditional roof system within a single module. The acoustic properties of two configurations of the novel panel are examined using numerical methods including advanced poro-elastic modeling tools compatible with Nastran, and compared with numerical results of a finite element model of the existing construction.
引用
收藏
页码：684 / 708
页数：25
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