Berthing Energy (PIANC)

Kinetic energy to be absorbed by fenders: E = ½·M·v²·Cm·Ce·Cs·Cc (PIANC WG33 / BS 6349-4).

MooringBerthing

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

E = \tfrac{1}{2} M v^2 \cdot C_m \cdot C_e \cdot C_s \cdot C_c

Symbol	Meaning	Unit
$M$	Ship displacement mass	kg
$v$	Approach normal velocity	m/s
$C_m$	Added-mass coefficient (water carried with hull)
$C_e$	Eccentricity factor
$C_s$	Fender softness factor
$C_c$	Berth configuration factor

Source: PIANC WG33 - Guidelines for the Design of Fenders; BS 6349-4

Kinetic energy to be absorbed by fenders: E = \u00bd\u00b7M\u00b7v\u00b2\u00b7Cm\u00b7Ce\u00b7Cs\u00b7Cc (PIANC WG33 / BS 6349-4).