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In this paper, a Consistent Particle Method (CPM) is presented to model violent wave impact with compressible air pockets. The novelty of this method lies in four key aspects: (1) accurate computation of spatial derivatives for Laplacian and gradient operators (and hence better pressure prediction) without the use of kernel function unlike some other particle method, (2) rational treatment of density discontinuity at the water-air interface without any smoothing or smearing scheme, (3) a thermodynamics-based compressible solver for modelling compressible air that eliminates the need of determining the artificial sound speed, and (4) two-phase coupling of compressible air solver and incompressible water solver without iteration between the two solvers. An experimental study of sloshing impact with entrapped air pocket is conducted to validate the numerical model.

Particle Method, Wave Impact, Two-phase Flow, Air Compressibility