ShipCalculators.com

Strip Theory - Added Mass (Heave)

Contents

Live calculator

Heave added mass coefficient m33 from strip-theory - the hydrodynamic inertia term used in ship motion equations.

Formula

$$ a_{33} \approx \frac{\pi}{2} \rho B^2 C_s \cdot f(\omega) $$

Symbol legend

SymbolMeaningUnitSource
$B$Section half-beam at waterlinembody plan
$C_s$Sectional area coefficient-hydrostatics

Sources

  • Salvesen-Tuck-Faltinsen - SNAME 1970.