Ship-induced Wave Numerical Simulation in Head-on Situation of Two Ships in Shallow Water

Abstract

The size of the ship-induced wave directly affects the bank, slope protection and ship-to-ship interference under the condition of head-on situation. This paper used the conventional computational fluid dynamics analysis software STAR-CCM+, the models such as VOF multiphase flow model, 6DOF kinematics model and RNG k-ε turbulence model combined with RANS numerical method were used to simulate the coupling of the ship-induced wave in head-on situation in the inland river shallow channel based on CFD technology. The coupling and reflection of ship-induced wave and the effect on the two ship hull and the bank are further analyzed. Using the 6-DOF and overlapping meshing model, the motion of the two ships in different situations from the approaching to leaving of the two ships was carried out, and the variation of the ship-induced wave height between the two ships was observed and discussed. Through numerical calculation and simulation, it is found that the ship-induced wave has obvious interference to the ship-to-ship interaction, and the ship-induced wave height changes significantly, and the waveform coupling response is realistic. The result can be used as a reference for research and design departments.