Optimization of Noise Transfer Path Based on the Composite Panel Acoustic and Modal Contribution Analysis

Table 1

Cab panel division.

Panel number	Panel name	Panel number	Panel name
1	Right side glass	7	Left side door glass
2	Right fence panel	8	Left rear top glass
3	Front glass	9	Left rear bottom glass
4	Roof front glass	10	Rear side glass
5	Central roof enclosure	11	Rear side panel
6	Roof rear enclosure	12	Base panel