Sea state, characterized by wave height, wave period, and wave direction, has a direct and significant impact on the fatigue life of a Wave Energy Converter (WEC) structure. Fatigue life refers to the number of load cycles a structure can withstand before failure due to crack initiation and propagation. Higher sea states, with larger waves, induce greater stresses on the WEC structure. These stresses fluctuate continuously as waves pass, creating cyclic loading. The magnitude and frequency of these stress ....
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