Wednesday, August 1, 2012

Motion Of The Ship



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Ship motions are defined by the six degrees of freedom that a ship, boat or any other craft can experience.


800px-Translations

Heave
is the linear vertical (up/down) motion
Sway
is the linear lateral (side-to-side) motion
Surge
is the linear longitudinal (front/back) motion


800px-Rotations


Roll
is when the vessel rotates about the longitudinal (front/back) axis
Pitch
is when the vessel rotates about the transverse (side-to-side) axis
Yaw
is when the vessel rotates about the vertical (up-down) axis

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