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

页码：684 / 708

页数：25

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