Ultimate strength analysis of highly damaged plates |
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Institution: | 1. The Korea Ship and Offshore Research Institute (The Lloyd''s Register Foundation Research Centre of Excellence), Pusan National University, Busan, Republic of Korea;2. Central Research Institute, Samsung Heavy Industries Co., Ltd., Geoje, Republic of Korea;3. Department of Naval Architecture and Ocean Engineering, Pusan National University, Busan, Republic of Korea |
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Abstract: | This work deals with the ultimate compressive strength of highly damaged plating resulting from dropping objects, grounding or collision. Extensive static nonlinear finite element analyses are conducted, where several governing parameters are considered. The effect of dent depth as well as dent size is studied. Different dent shapes are considered in order to cover different possible damage scenarios. The toughness modulus is used to measure the capacity of the plate to withstand the applied load with permanent deformation. An expression to estimate the average reduction of ultimate strength of highly damaged steel plates, subjected to compressive loading as a function of the residual breadth ratio is also developed. |
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Keywords: | Ultimate strength Dent Plate Shape Toughness |
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