Validation Study of Compact Planing Hulls at Pre-Planing Speeds

Planing hard-chine hulls are often employed on fast boats to ensure high lift and moderate drag in high-speed regimes. Although such boats are usually designed for relatively light loadings, occasionally they may need to operate in overloaded conditions with reduced speed. The focus of this study is on planing hull hydrodynamics in such pre-planing, high-lift regimes. A numerical tool based on a finite-volume viscous solver is applied to simulate a compact planing hull in a speed range from the displacement to planing modes. Numerical results for the model-scale hull resistance, trim and sinkage are compared with experimental data. Additionally, an overloaded condition of this hull is simulated. The resulting variations of hydrodynamic parameters are discussed.