Semi-probabilistic formulation in shipbuilding
Fatigue Design Loads

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Semi-probabilistic formulation in shipbuilding


Fatigue Design Loads

Authors : Commission Fatigue de la SF2M, André BIGNONNET, Rémy CHIERAGATTI, Bruno COLIN, Stéphan COURTIN, Michel HUTHER, Mac-Lan NGUYEN-TAJAN, Fabien SZMYTKA

Publication date: April 10, 2016 | Lire en français

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3. Semi-probabilistic formulation in shipbuilding

Marine structures, such as ships and offshore platforms, are subject to time-varying wave and swell loads, and their fatigue strength needs to be checked against the probabilistic aspect of loading.

It soon became apparent that the probabilistic approach, which provides an acceptability criterion in terms of reliability index or probability of ruin [BM 5 004] , does not allow for explicit design formulas and is therefore not applicable for design office calculations. This led to the development of a semi-probabilistic formulation based on partial safety coefficients,...

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