Simulation and Optimization of Acoustic Package of Dash Panel Based on SEA

Table 1

Subsystem of dash panel.

Number	Code name	Number	Code name
1	Sheet metal 1	13	Sheet metal 7
2	Sheet metal 2	14	Sheet metal 8
3	Hole 1	15	Sheet metal 9
4	Sheet metal 3	16	Hole 7
5	Sheet metal 4	17	Sheet metal 10
6	Hole 2	18	Sheet metal 11
7	Hole 3	19	Sheet metal 12
8	Hole 4	20	Sheet metal 13
9	Hole 5	21	Sheet metal 14
10	Hole 6	22	Sheet metal 15
11	Sheet metal 5	23	Sheet metal 16
12	Sheet metal 6	24	Sheet metal 17