Abstract

The integration of lifting foils with a Ride Control System (RCS) can provide a significant improvement of both the efficiency and the seakeeping of high-speed ferries. Lifting foil RCS solutions extend the overall performance of the vessel beyond that of a displacement hullform without resorting to expensive, fully foil supported, hydrofoil solutions. VT Maritime Dynamics, Inc (VTMDI) has developed simulation and integration tools that permit optimisation of vessel performance and efficiency with realistic lifting foil design constraints. Design tools range from finite element analysis and performance simulations, to seakeeping simulations and computational fluid dynamic models. This paper discusses the lifting foil design process and its application to the trimaran “Dolphin Ulsan” designed and built by North West Bay Ships (NWBS) of Australia.

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