Abstract

A direct (potential based) boundary element method (BEM) developed in our company (Romanian Research and Design Institute for Shipbuilding) is briefly presented. It may be applied for the calculation of the potential flow paste the ship hull, also around the lifting bodies like: hydrofoil, nozzle, rudder, propeller. The lifting bodies hydrodynamic calculation has some modelling particularities, e.g.: the wake shape determination, and numerical difficulties, e.g.: the BEM integrals calculation. Therefore the BEM application to such kind of bodies substantially differs from standard BEM application.

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