期刊
ENGINEERING OPTIMIZATION
卷 49, 期 10, 页码 1665-1684出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/0305215X.2016.1265304
关键词
Sandwich panels; multi-objective optimization; sound transmission loss; genetic algorithm
资金
- Fundamental Research Funds for the Central Universities [NAU: KYZ201663, NAU: SKTS2016038]
- National Natural Science Foundation of China [51605228]
- Jiangsu Natural Science Foundation of China [BK20160742]
- Jiangsu Postdoctoral Research Foundation of China [1402084C]
- Youth Science & Technology Innovation Project of Nanjing Forestry University [CX2016028]
In this study, an optimization problem concerning sandwich panels is investigated by simultaneously considering the two objectives of minimizing the panel mass and maximizing the sound insulation performance. First of all, the acoustic model of sandwich panels is discussed, which provides a foundation to model the acoustic objective function. Then the optimization problem is formulated as a bi-objective programming model, and a solution algorithm based on the non-dominated sorting genetic algorithm II (NSGA-II) is provided to solve the proposed model. Finally, taking an example of a sandwich panel that is expected to be used as an automotive roof panel, numerical experiments are carried out to verify the effectiveness of the proposed model and solution algorithm. Numerical results demonstrate in detailhowthe core material, geometric constraints and mechanical constraints impact the optimal designs of sandwich panels.
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