Presented by:
Kaj Riska
Date:
Tuesday 7th November 2017 - 09:00 to 10:00
Venue:
INI Seminar Room 1
Abstract:
Ice action
on ships occurs when a ship collides with an ice feature – be that level ice,
ice floes or iceberg s. The total force acting on the ship depends on the
motion of the ice feature and ship. The motion includes rigid body motions (in
6 DoF for ship and ice), elastic deformations of ship and ice and irreversible
deformations (ice crushing and ship hull plastic deformation). In principle all
these should be taken into account in modeling the collision and the total
force. Several simplifications have been made and the lecture describes some of
the modeling that has been carried out in order to determine the total
collision force. An interaction exists also for local ice loading i.e. ice
pressure. In this case the local deformation of the ship hull interacts with
the deformation of ice. One example of this is given also in the lecture.
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