Energy absorbed in heeling during vessel berthing, Civil Engineering

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Q. Energy absorbed in heeling during vessel berthing?

When a vessel   berths on a fender system at a pier, point of contact of berthing ship can be below or above the centre of gravity of the ship. At the time of the berthing operation, some kinetic energy is dissipated in work done to heel the ship which is the work done to bring the ship an angle of heel. This energy is generally a small fraction of total berthing energy and therefore it is normally not considered in design. Though designers must pay attention to the possible hitting of the berthingstructure by vessels in case contact point is well above water level. 

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Fig: Heeling of a vessel


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