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Table 2 Notation used in equations

From: Measuring offshore tsunami currents using ship navigation records

Symbol

Notation

m

Mass of ship

m

Added mass

v

Ship velocity component in the HDG-normal direction

v c

Tsunami current component in the HDG-normal direction

t

Time

F D

Drag force due to the tsunami current relative to the ship velocity

F I

Inertia force due to water acceleration with respect to the ship acceleration

C D

Coefficient of drag force

C M

Coefficient of inertia force

ρ

Density of seawater

D

Draught of ship

L

Length of ship

B

Breadth of ship