The aim of this study is to investigate fatigue assessment of typical ship structures employing structural stress approach and to compare with hot spot stress approach. As an initial study of the systematic validation efforts on structural stress method, an experimental investigation is performed on a series of edge details with welded gusset plates. Extrapolation based hot spot stress using converged mesh were also calculated for each specimen types. Having validated the application of structural stress for small edge details, a systematic investigation is carried out for a fatigue assessment of typical ship structures employing structural stress approach. Fatigue strength of side shell connection of a 8,100 TEU container vessel is evaluated using hot spot stress and structural stress employing simplified fatigue analysis.

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