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Experimental and Numerical investigation of collision of particle-filled double hull vessel

Experimental and Numerical investigation of collision of particle-filled double hull vessel

Leitung:  P. Wriggers, C. Weißenfels
Jahr:  2015

A novel design approach for safety of double hull vessel is presently being investigated, which involves usage of granular materials between the hull of ship. This strategy provides a medium between the hull which can absorb impact energy and transfer the load to the inner hull. Therefore, impact energy is shared between two hulls, in contrast to localized impact on outer hull only.

However, usage of such materials requires better understanding of their micromechancial behavior. For numerical simulation, granular materials are modelled with Discrete Element Method (DEM) while the hull of the ship is modelled with Finite Element Method (FEM). In addition, a framework based on coupling of the Discrete Element and the Finite Element(FE) Method  is employed.