Tidal turbine device modeling, simulation and vibration analysis

Barry Carruthers, Dr Brett Marmo

The marine sector is inherently populated by pioneering technologies and innovative device designs. Therefore there is minimal track record or experience upon which to evaluate the robustness and reliability of a marine renewable device. Holistic modelling, simulation and analysis is the most cost-effective method of prediction and identifying engineering issues as early in the design life as possible. This paper will summarise the methods by which Xi Engineering have modelled and analysed a tidal stream device in order to determine vibration throughout operational conditions. The objective of this is to highlight fatigue concerns, predict maintenance cycles, and implement appropriate design changes early in the development.

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