Simulation of Water Entry of a Free-falling Wedge by Improved MPS Method

摘要

In the present study, the process of free-falling wedge impacting onwater is numerically studied by our in house solver based on MovingParticle Semi-Implicit (MPS) method. Some improved schemes areused in this solver to suppress numerically unphysical pressureoscillation in traditional MPS method. For validation purpose,computational results of wedge with different tilting angles arecompared against experimental results from the Wave Induced Loadson Ships Joint Industry Project Ⅲ (WILS JIP-Ⅲ). Numerical pressures,free surface elevations and velocities of wedge show agreement withexperimental data.