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A new attempt on the world water speed record is on the drawing boards and uses technology familiar to structural engineers. Following in the footsteps of Donald and Sir Malcolm Campbell, the Quicksilver consortium is planning to break the 318mph record on Coniston Water next winter. The hi-tech speedboat is undergoing detailed design using Fluent Computational Fluid Dynamics software which is also used for modelling airflow and wind loading on buildings. The software is being used to produce a boat design which is resistant to 'flip-over', a common form of instability for high speed boats. In a similar approach to that taken when designing wind loading of buildings and bridges, the modelling is concentrating on vortex shedding. Vortices or air turbulence shed from the bow can re-attach further back on the boat causing unwelcome lift and instability. For more information:

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