Table 5 Parameters of optimized resonant units.
Parameters | Basic mass (g) | Added mass (g) | Added mass thickness (mm) | |
|---|---|---|---|---|
LRU | \(m_{L1}\) | 12.2 | 2.2 | 6 (7) |
\(m_{L2}\) | 12.2 | 2.4 | 6 (3) | |
MRU | \(m_{M1}\) | 9.7 | 5.8 | 19 (8) |
\(m_{M2}\) | 9.7 | 1.6 | 5 (2) | |
SRU | \(m_{S1}\) | 7.4 | 1.2 | 5 (2) |
\(m_{S2}\) | 7.4 | 0.3 | 1 (8) | |