Abstract
Based on the finite element method, the absorption characteristics of anechoic coating embedding frustum-of-a-cone cavities with air backing are studied. The absorption characteristics of both single-cavity coating and mix-cavity coating are obtained by numerical simulation respectively. The results show that the absorption characteristics of coating embedding frustum-of-a-cone cavities are better than those of coating embedding cylinder cavities under the same perforated rate.
| Original language | English |
|---|---|
| Pages (from-to) | 1425-1431 |
| Number of pages | 7 |
| Journal | Chuan Bo Li Xue/Journal of Ship Mechanics |
| Volume | 14 |
| Issue number | 12 |
| State | Published - Dec 2010 |
| Externally published | Yes |
Keywords
- Absorption characteristics
- Anechoic coating
- FEM
- Frustum-of-a-cone cavities
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