A NUMERICAL STUDY ON THE VISCOUS EFFECTS OF WAVES TRAVELLING PAST A WEAKLY SUBMERGED CYLINDER

A NUMERICAL STUDY ON THE VISCOUS EFFECTS OF WAVES TRAVELLING PAST A WEAKLY SUBMERGED CYLINDER

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The interaction of waves with a weakly submerged horizontal circular cylinder is studied numerically, solving 2-D Navier-Stokes equations with reference to former experimental sessions in a wave flume.A selection of aspects of Wire Shelving the viscous wave-body interaction is analyzed, in particular the free surface elevation perturbed by the obstacle, the pressure at the body surface, the inertia coefficient of the Morison equation and finally the girls sweatshirt generation, persistence and merging of vorticity structures detached from the cylinder.