Parallel-sinkage derivative of displacement vs immersion.
Formula
$$ \text{TPC} = \frac{A_w \cdot \rho}{100} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $A_w$ | Waterplane area | m² | hydrostatic table |
| $\rho$ | Water density | t/m³ | 1.025 SW / 1.000 FW |
| $TPC$ | Tonnes per centimetre immersion | t/cm | result |
Sources
- Derrett & Barrass - Ship Stability for Masters and Mates Ch.6.
- SNAME - Principles of Naval Architecture Vol I.