Optimal Design of a Multifunctional Sandwich Panel With Foam Core: Lightweight Design for Flexural Stiffness and Acoustical Transmission Loss

Optimal Design of a Multifunctional Sandwich Panel With Foam Core: Lightweight Design for Flexural Stiffness and Acoustical Transmission Loss

The use of a soft material, such as foam, as core in a sandwich panel offers increased acoustical transmission loss at the expense of a decrease of flexural stiffness. A genetic algorithm is used to explore the possible trade‐off between mechanical and acoustical properties of foam core sandwich pan...

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Veröffentlicht in:Advanced engineering materials 2015-03, Vol.17 (3), p.311-318
Hauptverfasser: Leite, Pierre, Thomas, Marc, Simon, Frank, Bréchet, Yves
Format: Artikel
Sprache:eng
Schlagworte:
Acoustics
Computer Science
Core loss
Engineering Sciences
Foams
Materials
Modeling and Simulation
Optimization
Sandwich construction
Stiffness
Tradeoffs
Transmission loss
Weight reduction
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Beschreibung
Zusammenfassung:The use of a soft material, such as foam, as core in a sandwich panel offers increased acoustical transmission loss at the expense of a decrease of flexural stiffness. A genetic algorithm is used to explore the possible trade‐off between mechanical and acoustical properties of foam core sandwich panels in a minimum weight design.
ISSN:1438-1656
1527-2648
DOI:10.1002/adem.201400075