Abstract
This chapter presents practical techniques for finite element (FE) modeling to simulate the structural crashworthiness of ships in collision or grounding events. Approaches to define the FE mesh size, material stress–strain relationship, and critical fracture strain and address the dynamic effects related to the dynamic yield strength, dynamic fracture strain, inertia, and frictions are examined to enable the efficient and accurate simulation of crushing and rupture behaviors in collisions and grounding events. Benchmark studies on a material tensile coupon test specimen and perforated plate under axial tension are conducted to simulate the fracture behavior. The proposed methods are validated through a comparison with experimental results, based on existing test structural models that can consider the crushing and fracture behaviors.
Published Version
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