Abstract
ABSTRACT A fully nonlinear time-domain simulation of a ship navigating in waves at high speed is realised by proposing a domain-split wave separation method. In the proposed method, a large distorted area of the free surface near the ship is split, on which the disturbed wave is separated by subtracting the incident wave from the total wave. For the rest of the free surface, the disturbed wave is traced by retaining the higher-order components. The present method is capable to simulate the strongly nonlinear interactions between the ship and waves, and can avoid unnecessary spurious waves. The present results are verified through comparison with experimental data. The steady VBM by navigation reaches its peak when the wavelength of the generated wave equals the ship length at the critical Froude number. The hydrodynamic behaviours of the S175 ship navigating in waves at this critical speed are investigated.
Published Version
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