Abstract
Hydrodynamics of 2D contours representing ship sections is considered for the case of small harmonic oscillations with a modification of a boundary-integral-equation method implemented earlier for the deep-fluid case. Alterations of the algorithm required by the finite-depth case are described in the present study and a number of numerical results are given. These include comparison with another code for the case of flat horizontal bottom and comparative calculations made for the case of the abrupt change of depth near the ship (stepped bottom). The results can be used for estimation of the bottom's influence on the manoeuvring and seakeeping qualities of ships.
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