Progressive collapse of intact and damaged stiffened panels

Leelachai, A; Benson, SD; Dow, RS

doi:10.1201/b18179-67

Progressive collapse of intact and damaged stiffened panels

Lookup NU author(s): Arriya Leelachai, Dr Simon Benson, Professor Bob Dow

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Abstract

© 2015 Taylor & Francis Group, London.This paper presents the strength of a series of large scale stiffened steel panels in both intact and damage conditions. The non-linear finite element method is used to simulate damage and calculate the load carrying behavior of the damaged structure. Damage is represented as a circular cut out at different locations on the panel. The extent of the damage is represented as proportion of the panel width and panels with different slenderness ratios are considered with appropriate representation of stresses and initial distortions. The aims of this paper are to produce simplified methods which will enable a better representation of damage in the evaluation of the global strength of the ship structure.