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Publicações
Fonseca, N., Pascoal, R. e Guedes Soares, C. (2006), “Global Structural Loads Induced by Abnormal Waves and Design Storms on a FPSO”, Proceedings of the 25th International Conference on Offshore Mechanics and Arctic Engineering (OMAE´06), 4-9 June, Hamburg, Germany, ASME, New York, Paper OMAE2006-92505
In this paper the structural loads on a FPSO induced by a large set of realistic (measured) abnormal waves are compared with the loads induced by “design storms” and also with the minimum values required by Classification Society rules. The design storms have a duration of 3 hours and correspond to the 100 years contour of the scatter diagram of the Northern North Sea. Time domain simulations of are performed with a time domain seakeeping program that accounts for the most important nonlinear effects. The results are analyzed to obtain probability distributions of the sagging and hogging peaks of the vertical bending moment. Several theoretical distributions are fitted to the simulated realizations.
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