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Combined three-dimensional lattice Boltzmann method and discrete element method for modelling fluid-particle interactions with experimental assessment / Y. T Feng; K Han; D. R. J Owen; Yuntian Feng
International Journal for Numerical Methods in Engineering, Volume: 81, Issue: 2, Pages: 229 - 245
Swansea University Author: Yuntian, Feng
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Combined three-dimensional lattice Boltzmann method and discrete element method for modelling fluid-particle interactions with experimental assessment
|Published in:||International Journal for Numerical Methods in Engineering|
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A general algorithmic framework is established for numerical simulations of three-dimensional fluid–particle interaction problems with a large number of moving particles in turbulent flows using a combined lattice Boltzmann method (LBM) and discrete element method (DEM). The main computational aspects comprise the LBM for fluid flows, the incorporation of a large eddy simulation-based turbulence model for turbulent flows, the moving boundary condition for hydrodynamic interactions between fluid and moving particles, and the discrete element modelling of particle-particle interactions. A laboratory model of vacuum dredging systems for mineral recovery is employed to assess the solution accuracy of the proposed methodology.
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