Bow-flare slam frequency for a ship with significant flare angle - occurs in head seas when bow flare hits the approaching wave.
Formula
$$ p_{flare} \approx \tfrac{1}{2} \rho V^2 \tan^2\alpha_f $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $\alpha_f$ | Flare angle from vertical | deg | GA drawing |
| $V$ | Relative horizontal velocity | m/s | seakeeping analysis |
Sources
- Chuang & Milne - SNAME 1971.