Forward-Speed Vertical Wave Exciting Forces on Ships

Sclavounos, P. D. (Massachusetts Institute of Technology)

OnePetro 

This is the case only at zero speed. Few examples exist in the literature where the surface at infinity is used instead. Newman [4] A SHIP in an ambient seaway experiences hydrodynamic forces computed the forward-speed exciting forces on submerged ellipsoids and is forced into an unsteady motion. Substantial progress toward by approximating the far-field radiation velocity potential the understanding of the associated physical process has been in terms of a distribution of singularities on the focal ellipse with achieved by employing linear wave theory. Linearization justifies strength known from the solution of a problem free from wave the independent treatment of the exciting-force or diffraction effects, as described by Havelock [5]. The exciting forces are problem where waves act on the ship fixed at its mean position, obtained as functions of the singularity strength in a form reminiscent and the impedance-force or radiation problem where the ship is of Lagally's theorem in domains without a free surface.

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