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Calculating extreme wave loads on offshore structures; an effective assessment of structural reliability

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If you have a question about this talk, please contact Connor O'Pray.

The survivability of all marine structures, both fixed and floating, is critically dependent upon an accurate representation of the ocean environment and the effective prediction of the applied fluid loads. A critical part of this relates to the description of extremes, both in terms of individual surface waves and isolated loading events; the largest waves not necessarily giving rise to the largest loads.

The presentation will introduce a wide range of data sources, highlighting the advantages and uncertainties associated with each. These will include field measurements, laboratory observations and numerical calculations. By combining these data types, new insights will be provided into the physics of both extreme waves and the waves responsible for the largest loading events. Specific attention will be paid to the occurrence of wave breaking and its practical implications.

With improved physical understanding and new modelling procedures, the adequacy of present design practice will be explored and alternative solution procedures proposed. The presentation will conclude by showing how complementary data sources can facilitate the solution of complex problems, dominated by nonlinearity and statistical uncertainty; the final results having significant implications for the assessment of structures on the UK continental shelf.

This talk is part of the Fluid Mechanics (CUED) series.

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