Mathematical Problems in Engineering / 2011 / Article / Tab 3

Research Article

Interior Noise Prediction of the Automobile Based on Hybrid FE-SEA Method

Table 3

Structural loss factors of some common used materials.

MaterialStructural loss factor

Steel3 × 10−4
Glass1 × 10−3
Engineering plastics0.3
Aluminum1 × 10−4
Brass2 × 10−3
Cast iron1 × 10−3
Plywood1.5 × 10−2
PVC0.3