Slamming impact loads on high-speed craft sections using two-dimensional modelling

摘要

The slamming impact loads experienced by high-speed craft travelling in rough seas are numerically investigated by analysing the idealized problem of a two-dimensional rigid wedge impacting an initially calm water surface. We are using the commercial CFD software Star CCM+, which is based on the Finite Volume (FV) method and an interface capturing scheme of the Volume-of-Fluid (VOF) type. The set-up of the numerical model is described in detail. The influence of mesh size, time step, and other numerical parameters such as inner iterations and relaxation factors, as well as three-dimensional modelling, on the solution is studied in a systematic manner. Comparisons against published experimental data show favorable agreement.