ABSTRACT
This chapter addresses experiment and finite element simulation studies on a small-scale double hull ship structures quasi-statically punched at the mid-span by a wedge indenter, which is intended to examine their fracture and energy absorbing mechanism. It examines the deformation patterns and fracture of one-sixth scaled double hull structures statically punched at the mid-span by a wedge indenter are investigated by experiments and finite-element analysis. The crashworthiness of oil tankers equipped with double hull has brought increased attention. The non-linear finite element method has the ability to predict the large deformation, collapse modes and reaction force of structures subjected to collisions rationally provided with proper modeling parameters. The numerical analysis includes aspects of particular relevance to the behavior of ship structures subjected to accidental loads, which will result in large plastic strain, such as material nonlinearities and failure, the importance of specifying the precise jointing details and boundary conditions.
