Lattice Boltzmann simulation of three-dimensional particle group settlement

doi:10.7523/j.issn.2095-6134.2016.02.015

Abstract

Abstract:

The motion of particle group has been a hot and difficult problem in the field of multiphase flow, and lattice Boltzmann (LB) method is a natural parallel mesoscopic method which is apt to handle complex boundaries. In this work, LB-EBF method is used for simulation of three-dimensional particle group settlement, and we give detailed analyses of the settlement laws of 1 152 particles in three aspects: velocity analysis and statistics analysis of three-dimensional multi-particle sedimentation, position analysis and statistics analysis of three-dimensional multi-particle sedimentation, and analysis of the interaction between particle group and flow field in the sedimentation.

Key words: particle group settlement, lattice Boltzmann method, statistical analysis, interaction

CLC Number:

O357.5
O359

ZHA Lu, LI Jing, CAO Chuansheng, HUANG Yi, ZHU Hehua, LIU Zhaohui, ZHENG Chuguang. Lattice Boltzmann simulation of three-dimensional particle group settlement[J]. , 2016, 33(2): 240-246.

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