Probability of bow slamming per wave encounter (Ochi 1964) based on bow forefoot emergence and relative vertical velocity.
Formula
$$ P_{slam} = \exp\left(-\frac{T_F^2}{2\sigma_z^2} - \frac{v_{crit}^2}{2\sigma_{\dot z}^2}\right) $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $T_F$ | Bow forefoot draft | m | GA drawing |
| $\sigma_z$ | σ of relative heave | m | strip theory |
| $v_{crit}$ | Critical slam velocity | m/s | Ochi 1964 |
Sources
- Ochi M.K. - NAME 1964.