Slam Location - Worst-Case Station

Longitudinal station most susceptible to bow slamming based on vertical motion and relative velocity - typically 0.08–0.15 L from FP.

SlammingLocationStation

LBPmBow shape

Worst-case x/L: 0.12 -

Distance from FP: 21.6m

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

x_{slam} \approx f(\text{bow shape})

Symbol	Meaning	Unit
$x/L$	Slam station as fraction of LBP

Source: Ochi & Motter - SNAME 1973

In short

Longitudinal station most susceptible to bow slamming based on vertical motion and relative velocity - typically 0.

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