Journal
JOURNAL OF SANDWICH STRUCTURES & MATERIALS
Volume 12, Issue 6, Pages 684-708Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/1099636209359845
Keywords
sandwich structures; acoustic modeling; design optimization
Categories
Funding
- Swedish Agency for Innovation Systems (VINNOVA), KTH
- Saab Automobile AB
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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.
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