Research Article
The Spherical Shock Factor Theory of a FSP with an Underwater Added Structure
Table 9
Fitting formula and error of spectral parameters.
| Spectrum parameter | Port | Starboard | Fitting | Error (%) | Fitting | Error (%) |
| Longitudinal | Displacement (cm) | 0.075C3 + 1.5 | 14.53 | 0.029C3 + 1.8 | 14.02 | Velocity (m/s) | 0.038C3 + 0.22 | 10.06 | 0.02C3 + 0.3 | 2.46 | Acceleration (g) | 3.1C3 + 20 | 1.58 | 3.9C3 + 7.3 | 1.88 |
| Horizontal | Displacement (cm) | 0.23C3 + 0.2 | 3.51 | 0.48C3 − 0.82 | 9.89 | Velocity (m/s) | 0.06C3 + 0.67 | 8.81 | 0.15C3 + 0.53 | 2.65 | Acceleration (g) | 7.4C3 + 45 | 3.86 | 6.5C3 + 24 | 2.73 |
| Vertical | Displacement (cm) | 0.66C3 − 0.43 | 3.51 | 0.59C3 − 0.22 | 3.27 | Velocity (m/s) | 0.27C3 + 0.16 | 5.04 | 0.18C3 + 0.87 | 2.71 | Acceleration (g) | 17C3 + 90 | 1.97 | 11C3 + 140 | 1.61 |
|
|