Abstract
This paper deals with the linearised hydrodynamic interaction problem of regular, small amplitude, surface gravity waves and a stationary group of large, vertical axisymmetric bodies. The developed numerical procedure is based on the physical idea of multiple scattering in conjunction with appropriate eigenfunction expansions for the velocity potential in the fluid domain around each body of the configuration. By superposing the incident harmonic wave and various orders of scattering, due to the remaining bodies, the velocity potential in the vicinity of each particular body is obtained. The method presented is applicable to an arbitrary number of vertical bodies of revolution having any geometrical arrangement and individual body geometries. Numerical results concerning the exciting wave forces and moments for configurations, commonly used in offshore applications, are presented and compared with those of other authors and pertinent experimental data.
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