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Publications
Shi, X.H., Shen, H., Zhang, J. and Guedes Soares, C. (2021), “Uncertainty of ultimate strength of ship hull with pits”, Developments in Maritime Technology and Engineering, Guedes Soares, C. & Santos T.A., (Eds.), Taylor and Francis, London, UK, Vol 1, pp. 583-590.
Pitting corrosion may be a common progressive damage to ships and offshore structures. This will induced the collapse of the ship hull. In this paper, a method will be introduced to study the ultimate strength of a ship hull with pits. A series of analysis will be performed to investigate the pits reduction on the ship hull ultimate strength, where different corrosion damage in different area will also be included. As the pits happens randomly, the pit depths will changed with time and area dramatically. Due to the high deviation of the pits, the ultimate strength of the ship hull with pits may be uncertain. By a series of Monte Carlo simulation, the uncertainty of the ultimate strength of a pitted ship hull will be assessed including the material, geometry randomness, as well as the sensitivity of the related factors.
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