Ratio of waterplane area to enclosing L × B rectangle - drives TPC and BMt.
Formula
$$ C_{WP} = \frac{A_w}{L \cdot B} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $A_w$ | Waterplane area | m² | Simpson’s rule / hydrostatic table |
| $L$ | Waterline length | m | ship particulars |
| $B$ | Waterline beam | m | ship particulars |
| $C_{WP}$ | Waterplane coefficient | - | result |
Sources
- SNAME - PNA Vol I.