Abstract
Corrosion is the most common type of damage to the hull structures of ships, and pitting corrosion damage has garnered the attention of researchers owing to its complexity and randomness. This study investigated the effects of random pitting on the performance of ship hull plates by developing Python script and proposing a numerical simulation method for establishing the randomness of pitting (form and distribution). The applicability and reliability of the proposed method were then verified through a pitting test. Finally, under the same degree of pitting damage condition, the influences of different random pitting patterns on the tensile properties of unstiffened plates and the ultimate strength of stiffened plates were investigated. The method presented in this paper provides technical support and establishes a foundation for the investigation of the influence of pitting randomness on the fatigue life of steel plate structures and the development of methods for the intelligent identification of steel plate pitting damage.
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