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Bales Seakeeping Rank

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Bales seakeeping rank from ship geometry - a scalar metric that combines L, B, T, C_WP, C_VP to rank hull forms for seakeeping quality in the North Atlantic.

Formula

$$ R_s = 8.42 + 45.1 C_{WP} + 10.1 C_{VP} - 378 T/L + 1.27 B/T - 23.5 C_{WP} T/L - 15.9 C_{VP} B/L $$

Symbol legend

SymbolMeaningUnitSource
$C_{WP}$Waterplane coefficient-hydrostatics
$C_{VP}$Vertical prismatic coefficient-hydrostatics

Sources

  • Bales N.K. - NAME 1980.