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Study on Liquid Sloshing in 3D Tanks Based on Ghost SPH

Liu Yu-lon

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Abstract

A numerical study has been taken to simulate nonlinear liquid sloshing in 3D rectangular tank. The 3D model is developed by using smoothed-particle-hydrodynamics(SPH) method with ghost boundary condition, which avoids the gap between liquid and the walls of container usually conducted by traditional SPH method. Numerical simulations have been taken on sway and roll tank motion respectively, which are compared to the experiments and numerical studies of other researchers at surface elevation, flow pattern, point pressure and sloshing force. The result shows the validation of the 3D numerical model.

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What this paper is about

A numerical study has been taken to simulate nonlinear liquid sloshing in 3D rectangular tank. The 3D model is developed by using smoothed-particle-hydrodynamics(SPH) method with ghost boundary condition, which avoids the gap between liquid and the walls of container usually conducted by traditional SPH method. Numerical simulations have been taken on sway and roll tank motion respectively, which are compared to the experiments and numerical studies of other researchers at surface elevation, flow pattern, point pressure and sloshing force. The result shows the validation of the 3D numerical model.

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Available abstract

A numerical study has been taken to simulate nonlinear liquid sloshing in 3D rectangular tank. The 3D model is developed by using smoothed-particle-hydrodynamics(SPH) method with ghost boundary condition, which avoids the gap between liquid and the walls of container usually conducted by traditional SPH method. Numerical simulations have been taken on sway and roll tank motion respectively, which are compared to the experiments and numerical studies of other researchers at surface elevation, flow pattern, point pressure and sloshing force. The result shows the validation of the 3D numerical model.

Key concepts: Slosh dynamics, Smoothed-particle hydrodynamics, Mechanics, Computer simulation, Volume of fluid method, Free surface, Container (type theory), Flow (mathematics)

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