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Hydrodynamic Numerical Simulation of the Inverted Pendulum Based on the SPH-ALE Method
Pages: 54-58
Year: Issue:  6
Journal: Ocean Technology

Keyword:  smoothed particle hydrodynamicsnumerical wave flumerepulsive boundary conditionsponge layerinteractions between wave and flap;
Abstract: The 2-D numerical wave flume is constructed on the basis of Smoothed Particle Hydrodynamics-Arbitrary Lagrange Euler(SPH-ALE) method. The approximate Riemann solver is introduced to replace the artificial viscosity in the governing equations. The repulsive boundary condition is used at solid wall boundary to prevent particle penetration. The exponential damping function is applied to the sponge layer for eliminating wave reflection at the end of the flume. The regular wave propagation and the interactions between wave and flap are simulated in the constructed wave flume. It is clearly shown that the SPH-ALE model can precisely simulate wave propagation and reasonably reproduce the physical process of the interactions between wave and the flap of inverted pendulum.
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