Publications

Villavicencio, R., Liu, B. and Guedes Soares, C. (2014), “Experimental and numerical analysis of a tanker side panel laterally punched by a knife edge indenter”, Marine Structures, Vol. 37, pp. 173-202

The paper presents finite element simulations of a small-scale stiffened plate specimen quasi-statically punched at the mid-span by a rigid indenter, in order to examine its energy absorbing mechanisms and fracture. The specimen, scaled from a tanker side panel, is limited by one span between the web frames and the stringers. The paper provides practical information to estimate the extent of structural damage within ship side panels during collision accidents. Moreover, the results of this investigation should have relevance to evaluate grounding scenarios in which the bottom sustains local penetration. This is possible since the structural arrangement of the double hull and the double bottom of tanker vessels is very similar. The experimentally obtained force-displacement response and shape of the deformation show good agreement with the simulations performed by the explicit LS-DYNA finite element solver. The numerical analysis includes aspects of particular relevance to the behaviour of ship structures subjected to accidental loads which could give rise to difficulties in interpreting finite element calculations. In particular, the paper comments on the material nonlinearities, the importance of specifying the precise boundary conditions and the joining details of the structure.

You can download this paper from: http://www.sciencedirect.com/science/article/pii/S0951833914000252

If you did not manage to obtain a copy of this paper: Request a copy of this article



For information about all CENTEC publications you can download: Download the Complete List of CENTEC Publications