Abstract
When we consider manoeuvring performance of a ship which has a close relation to the hydrodynamic forces acting on a ship hull, we need to turn our attentions to not only deep water but also shallow water such as harbors and canals. Therefore, it is necessary to establish the prediction method which can take the effect of shallow water into account in order to estimate the hydrodynamic forces. In this paper, applying the slender body theory with the dispersive vortex model, we investigated the hydrodynamic forces acting on a ship hull in shallow water.