Dynamic CFD simulations for new HUGO BOSS Open 60

In 2018 Cape Horn Engineering was proudly commissioned once again to assist in the design of the new foil system for HUGO BOSS.

The CFD approach involved setting up 4 and 5 'degrees-of-freedom' simulations, where the fully appended yacht is free to move in space and the aerodynamic and hydrodynamic forces are mostly balanced and the yacht finds its floating - or semi flying attitude - during the simulation.

This type of analysis is a great improvement over the more traditional VPP work, where only the steady-state situation is addressed. Simulations are started from a situation where the forces are out of balance, and the dynamics of reaching force balance gives important insights on how the different configurations will behave in real situations.
Foil curvature and size, longitudinal position within the hull, position where the foils exit the hull sideways, i.e. how close to the water surface, mounting angle and the variations in angle of attack permitted by the new IMOCA rule, positions and articulation of the bearings and the interaction with the hull and whole system were all systematically varied and compared.
The simulation is performed with the code Star-ccm+ from Siemens PLM.
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Видео Dynamic CFD simulations for new HUGO BOSS Open 60 канала Cape Horn Engineering