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Discrete element modeling of ice loads on ship and offshore structures

Springer Proceedings in Physics, ISSN: 1867-4941, Vol: 188, Page: 45-54
2017
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Conference Paper Description

In order to investigate ice loads on the ship and offshore structures, the discrete element method (DEM) is employed to construct ice model. In this method, the sea ice is modelled by the bonding-breaking spherical particles and dilated polyhedral element based on the Minkowski sums theory, respectively. Additionally, the size effect of spherical particle is discussed in the numerical tests of uniaxial compressive and three-point bending of sea ice. Considering different ice condition, the ice loads on these structures can be obtained by the ice DEM model. The numerical results show that the proposed ice DEM model can effectively simulate the interaction between sea ice and ship and platform structures.

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