The comparative performance of two different formulations for the Green function used in the solution of the radiation and diffraction problems is considered in this paper. They are necessary for the computation of the seakeeping behaviour into the frequency domain. The first formulation is based upon Kelvin singularities distributed on the ship hull, the second exploits Rankine sources distributed on the hull and on the free surface. Applications for the case of an high speed vessel are presented and the numerical results are compared with experimental data deriving from tank tests in head waves.
Application of Green’s Function Methods to the Seakeeping Computations for High Speed Marine Vehicles
BRUZZONE, DARIO;GUALENI, PAOLA;
2000-01-01
Abstract
The comparative performance of two different formulations for the Green function used in the solution of the radiation and diffraction problems is considered in this paper. They are necessary for the computation of the seakeeping behaviour into the frequency domain. The first formulation is based upon Kelvin singularities distributed on the ship hull, the second exploits Rankine sources distributed on the hull and on the free surface. Applications for the case of an high speed vessel are presented and the numerical results are compared with experimental data deriving from tank tests in head waves.
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