Numerical Coupling Model Based on SPH and Panel Method to Solve the Sloshing Effect on Ship Motion in Wave Condition

摘要

In the authors’ previous research, the sloshing behavior of 3D Moss-Type Tank was investigated based on model tests and SPH simulation.It was indicated that, the similar sloshing behavior observed by the modeltest can be regenerated by the SPH based simulation. In this study, toconsider the interaction between inside sloshing load and outside shipmotion, the SPH model for sloshing analysis is weekly coupled with a3D linear panel method in time domain. The occurrence of swirling isconfirmed by the coupling simulation. Besides, another numerical modelbased on 3D linear panel method is established for both analysis of tanksloshing and ship motion. By comparing the simulation results based onnonlinear SPH-Panel model and linear Panel model, the significantinfluence of swirling on ship motion is clarified.