水面上小容積船型の耐航性(第2報)

概要

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Non-linearity of hydrodynamic forces acting on a small volume hull form above water plane is studied experimentally. Nonlinearity of vertical radiation force and moment can not be clarified because rated capacity of a forced oscillation device is insufficient for high frequency oscillation of large amplitude. Both wave exciting heave force and pitch moment show typical tendency of saturation against wave amplitudes. Applicability of the linear superposition on radiation forces and wave exciting force is studied by conducting forced oscillation test in regular head waves. It is recognized from results of the experiment that the linear superposition can not be applicable when phase lag between forced heave motion and incident wave motion becomes greater than 90 degrees.
社団法人日本船舶海洋工学会の論文
1992-09-25