Design Optimization of Subcavitating Hydrofoils for America's Cup Class Yachts - presented by Prof. Joaquim R. R. A. Martins

Design Optimization of Subcavitating Hydrofoils for America's Cup Class Yachts

Prof. Joaquim R. R. A. Martins

Prof. Joaquim R. R. A. Martins
Slide at 12:53
Shaping the cavitation bucket requires trade-offs
Constant
loading
less cavitation
at cruise
subcavitating
(or a)
take-off
later inception
Vcav
Ng, Liao, Yildirim, and Martins. Hydrostructural optimization of subcavitating cambered and symmetric composite foils. Composite Structures, 2024
1
References
  • 1.
    G. W. Ng et al. (2024) Hydrostructural optimization of subcavitating cambered and symmetric composite foils. Composite Structures
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Summary (AI generated)

Cavitation can occur during takeoff at an induced circulation lift (ICL) even at low speeds, making it essential to maintain sufficient speed. In high-speed conditions, it is important to shift the cavitation limit to the right to avoid being constrained by maximum speed.

Typically, the middle section of the cavitation bucket is managed effectively, as indicated by the constant loading curve falling below this region, suggesting it is not a limiting factor. To control cavitation, we impose constraints on the maximum mean coefficient of pressure (CP). This is achieved using an aggregation function known as the Chryselmeyer-Steinhauser function.