The effect of lift on the wave-making resistance of multi-hull craft

N. Xie, D. Vassalos, P.G. Sayer

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5 Citations (Scopus)
104 Downloads (Pure)


A potential based panel method is presented to estimate the wave-making characteristics of multi-hull craft. In order to simulate the lifting potential flow around the sub-hulls, the method adopts mixed source/doublet distributions on the sub-hulls and their wake surface, while sources are distributed on the main hull and the free surface. In this way, the asymmetric flow characteristics of the sub-hull are properly simulated, i.e., a Kutta condition is satisfied at the trailing edge of the sub-hull. Comparison is made between the numerical and model experimental measurements, and a good correlation has been found. The wave-making characteristics and pressure distributions on the sub-hull predicted by the present method can differ from those based on a distribution of sources alone, especially the pressure distributions at the stern of the sub-hulls.
Original languageEnglish
Pages (from-to)83-95
Number of pages13
JournalInternational Shipbuilding Progress
Issue number2-3
Early online date10 Oct 2007
Publication statusPublished - 1 Dec 2007


  • multi-hull craft
  • lift
  • panel method
  • potential flow
  • wave-making resistance


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