Table of Contents
Water, Volume 11, Issue 5 (May 2019)
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Cover Story (view full-size image) A computational model for the fluid structure interaction of a buoyant rigid body immersed in a [...] Read more. A computational model for the fluid structure interaction of a buoyant rigid body immersed in a free surface flow is presented. In naval and ocean engineering and for wave energy harvesting, the correct prediction of the hydrodynamic loading exerted by the fluid on buoyant structures is crucial. To this aim, we developed and validated a tightly coupled algorithm that is able to deal with large structural displacement and impulsive acceleration typical of water entry problems. The tight coupling was achieved by utilizing a fixed-point iterative procedure. As most experimental data available in literature are limited to the first instants after the water impact, for larger hydrodynamic forces, we specifically designed a set of dedicated experiments on the water impact of a buoyant cylinder, to validate the proposed methodology in a more general framework. View this paper.