Probability of bow freeboard exceedance (deck wetness) per wave encounter using the Rayleigh distribution and motion σ.
Formula
$$ P_{wet} = \exp(-F_B^2 / 2\sigma_z^2) $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $F_B$ | Bow freeboard | m | GA / load-line mark |
| $\sigma_z$ | σ bow relative motion | m | strip theory |
Sources
- NORDFORSK 1987 - Assessment of Ship Performance.