INFLUENCE OF WAVE CLIMATE MODELLING ON THE LONG-TERM PREDICTION OF WAVE INDUCED RESPONSES OF SHIP STRUCTURES

TL;DRAbstract

A discussion is provided about the different sources of wave data which are compared so as to assess the existing degree of uncertainty. The long term distribution of different types of ship responses is determined for different wave climate descriptions and the differences of the results are used to quantify the sensitivity of the response predictions. New results based on hindcast wave climate description are compared with existing ones derived from visual observations of waves. The effect of the transfer function uncertainty on the long term predictions is also quantified and it is compared with the one due to the wave climate uncertainty, showing that the latter is significantly larger.

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