Table 2 Parameter settings of the resonant units under different methods.
Parameters | Basic mass (g) | Added mass (g) | Design frequency (Hz) | |
|---|---|---|---|---|
Method 1 | LRU | 12.2 | 0.3 (10) | 90.5 |
MRU | 9.7 | 3.0 (10) | 90.9 | |
SRU | 7.4 | 4.4 (10) | 90.9 | |
Method 2 | LRU | 12.2 | 1.0 (10) | 88.1 |
MRU | 9.7 | 3.9 (5); 2.2 (5) | 87.9; 93.9 | |
SRU | 7.4 | 3.6 (10) | 94.1 | |
Method 3 | LRU | 12.2 | 2.0 (10) | 85.0 |
MRU | 9.7 | 4.8 (1); 1.9 (9) | 85.1; 95.1 | |
SRU | 7.4 | 3.4 (10) | 95.0 | |
