Abstract
This paper is concerned with the determination of dynamic load variations in the riser and yoke pivot components of an offshore vessel/mooring oil production and storage system. Forces on the yoke system arise from wave induced inertial and drag forces including current and motion due to vessel surge, heave and pitch. The analysis is carried out in the frequency domain and the results yield the limiting wave height for a specific design of SALS which will give rise to loss of tension in the riser. Also presented are the maximum horizontal and vertical components of load variation at the yoke pivoted connections with the vessel.
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