Spectral fatigue analysis of shallow water jacket platforms. N.W.M. Bishop et al. Trans. ASME, J. Offshore Mech. Arctic Engng., August 1996, 118(3), 190--197.

Consideration is given to the nonlinear problem, the improved deterministic-spectral method, the distribution of individual wave heights and associated periods, the choice of base wave cases, and assessment of the improved spectral method. These studies show that the choice of base wave cases for the deterministic-spectral method is very important. In general, the largest nonbreaking wave heights produce very conservative fatigue damage results because the realistic wave amplitudes in the actual sea state data are much lower than this value. An improved spectral method has been developed and checked against a references random time domain analysis. The results show that this new method has considerable potential especially for new designs where weight savings or/and increased confidence levels may be achieved.11 refs.