Abstract:To investigate the microscopic change law of particle and water flow in the process of the vertical deformation of sand caused by withdrawing and recharging water, a PFC (particle flow code) program was developed to simulate the process of the water withdrawal and recharging of dense sand sample. The water flow was controlled by setting the boundary conditions. The subsidence and rebound of the sand sample, the velocity and displacement fields of particles, and the velocity field of fluid cells were analysed. … Show more
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