NUMERICAL AND EXPERIMENTAL MODELLING OF MOORING SYSTEMS: EFFECTS OF WAVE GROUPINESS ON EXTREME LOADS - Barrera Sanchez, Carlos; Guanche, Raid; Losada, Inigo J; Armesto, Jose A; de los Dolores, Daniel (Proceedings Of The Asme 37th International Conference On Ocean, Offshore And Arctic Engineering, 2018, Vol 10, 2018)