Research Article
Interior Noise Prediction of the Automobile Based on Hybrid FE-SEA Method
Table 3
Structural loss factors of some common used materials.
| | Material | Structural loss factor |
| | Steel | 3 × 10−4 | | Glass | 1 × 10−3 | | Engineering plastics | 0.3 | | Aluminum | 1 × 10−4 | | Brass | 2 × 10−3 | | Cast iron | 1 × 10−3 | | Plywood | 1.5 × 10−2 | | PVC | 0.3 |
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