Abstract
Dynamic response studies of a tension leg platform (TLP) are carried out in time domain to investigate the influence of non-linearities due to the hydrodynamic drag force, variable cable tension, variable submergence, long excursions and fluctuating wind together with the effect of coupling. The sea state is characterised by Pierson Moskovitz spectrum while the fluctuating wind has been estimated using Emil Simiu's wind spectrum which is meant for the compliant offshore structures. Random wind and waves are modelled by Monte-Carlo simulation. Power spectral density functions (PSDF) are plotted to highlight the wind-induced dynamic responses of the structure.
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