Publications

Mirciu, I., Garbatov, Y., Guedes Soares, C. and Domnisoru, L. (2012) , “Fatigue Assessment of Damaged LPG Carrier”, 11th International Conference on Marine Sciences and Technologies (Black Sea 2012), 4-6 October, Varna, Bulgaria

The objective of this work is to assess the fatigue strength of a damaged LPG carrier deck structure. The hot spot stress approach, based on three dimensional finite element models, is used to calculate the maximum principal stresses. The stress concentration factors are estimated using a linearization of the calculated principal stresses around the hot spots. Fatigue damage is calculated based on Palmgren-Miner approach using different mathematical formulations defined by Classification Society Rules and direct approaches. The vertical wave induced bending moment is calculated based on the strip theory. The fatigue analysis is performed for three different damage scenarios.

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