Strip Theory - Added Mass (Heave)

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

Added massStrip theoryHeave

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Formula, assumptions, and limits

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

Symbol	Meaning	Unit
$B$	Section half-beam at waterline	m
$C_s$	Sectional area coefficient

Source: Salvesen-Tuck-Faltinsen - SNAME 1970

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