22-05-2016 - MARIN, the Maritime Research Institute Netherlands, has become a reliable, independent, and innovative service provider for the maritime sector and a contributor to the well being of society. MARIN has been expanding the boundaries of maritime understanding with hydrodynamic research for over 70 years. Today, this research is applied for the benefit of Concept Development,
11-07-2016 - Introduction ‘Parametric roll’ is a phenomenon that sometimes suddenly occurs to ships sailing in the head or following seas. Apparently, without any clear reason, the amplitude of the roll motion (i.e. the rotation about the longitudinal axis of the ship) increases within a couple of roll periods, from a few degrees to above 45 degrees.