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Waterplane Area - Simpson 5-Ordinate

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Waterplane area from 5-station Simpson’s integration - the first step for hydrostatic properties.

Formula

$$ A = 2 \cdot \frac{h}{3} \cdot \sum (m_i y_i) $$

Symbol legend

SymbolMeaningUnitSource
$y_i$Half-breadth at station imlines plan
$h$Station spacingmLBP / 4

Sources

  • Rawson & Tupper Vol 1.