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Green Water - Exceedance Frequency

Expected number of green-water events per hour based on freeboard and relative bow motion σ - sensitivity for hatch / bulwark design.

Green waterFreeboardFrequency
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Formula, assumptions, and limits

n=3600Tzexp(FB2/2σ2)n = \frac{3600}{T_z} \exp(-F_B^2 / 2\sigma^2)
SymbolMeaningUnit
FBF_BBow freeboardm
σ\sigmaσ bow relative motionm
TzT_zZero-upcrossing periods

Source: NORDFORSK 1987

In short

Expected number of green-water events per hour based on freeboard and relative bow motion \u03c3 - sensitivity for hatch / bulwark design.

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