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Group of Marine Dynamics and Hydrodynamics > 2.2 Nonlinear Motions and Loads > Publications
Cardoso de Brito, M., Sutherland, L.S., Pereira, J.M.C. and Arruda, M.R. (2022), “Fluid-Structure Interaction Analyses for Hydro-Elastic Tailoring of a Windsurfer Fin”, Journal of Marine Science and Engineering, Vol. 10, 1371.
A fully iterative ‘two-way’ fluid-structure interaction (FSI) tool of a commercially available composite windsurfer fin was developed, which was then used to investigate the normally hidden fin behaviour for a range of typical sailing conditions. The ‘two-way’ FSI analysis gave significantly better insights into the fin behaviour than the simpler ‘one-way’ non-iterative analysis. The tool also indicated that hydro-elastic tailoring, via simple reinforcement ply rotations, can produce large changes in tip twist. This gives an opportunity for both improved passive control and higher speeds, without deviating from a hydrodynamically optimal plan form. Inexpensive cantilever tests appear to be sufficient to make qualitative comparisons between the sailing responses of fins with different layups.
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