Research Article
Optimization of Sound Transmission Loss through a Thin Functionally Graded Material Cylindrical Shell
Table 5
Optimized value of FGM combinations.
| | Condition | (mm) | | (Hz) | (m) | STL at frequencies of Table 3 |
| | Case 1 | 13 | 1.59 | 5.5 | 1.6 | 301.91 | | Case 2 | 11 | 1.37 | 6 | 1.5 | 312.89 | | Case 3 | 16 | 0.84 | 4 | 1.8 | 298.34 | | Case 4 | 14 | 1.2 | 5 | 1.8 | 321.73 |
|
|
