Numerical Simulation of Free Surface Flow around Nonlifting and Lifting Body by Panel Method

Abstract

Lifting bodies such as hydrofoils, fins and so on, are generally attached to recent high-speed crafts to reduce the wave-making resistance and wetted surface area. Because of these complex shapes, it becomes very difficult to predict the hydrodynamic characteristics of high-speed craft. It can be, however, treated as a potential problem using PAFS (Panel method Applied to Free Surface flow), in which Morino's panel method for the lifting body analysis is applied to the free surface problem. In the present study, some numerical calculations are testified to evaluate the effectiveness of PAFS with nonlifting bodies such as Wigley and Series 60 hull forms, and lifting bodies such as Wigley hull with hydrofoil and submerged body with hydrofoil.