DP Class 2 post-failure capability envelope - wind + current worst-case envelope after single fault per IMCA M140.
Formula
$$ U_{max} = \sqrt{T_{post} / k_{hull}} $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $T_{post}$ | Post-failure thrust | kN | FMEA study |
| $k_{hull}$ | Empirical hull factor | kN/(m/s)² | wind + current drag |
Sources
- IMCA M140.