Froude-Krylov forces from exact pressure integrations on adaptive panel meshes in a time domain partially nonlinear model for ship motions

Roll decay motions of a military vessel's hull, and under head, beam and quartering waves are numerically predicted and compared with published experimental ones, for zero advance speed. The capabilities and limitations of the proposed method, taking into account the specific simulation setup applied, are addressed. An overall agreement with the experiments is witnessed, with the method showing a considerable improvement of numerical predictions of the ship motions in beam and quartering waves in comparison with those by a linear method.