Lattice Boltzmann Simulation of Solid Particles Motion in a Three Dimensional Flow using Smoothed Profile Method

Khalili, Behnam; Rahnama, Mohammad; Jafari, Saeed; Gharibi, Farshad; Javaran, Ebrahim Jahanshahi

doi:10.18869/acadpub.jafm.73.241.26537

Cited by 3 publications

(1 citation statement)

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“…Using this collision force calculation scheme, the authors simulated the settling of 8,125 spherical particles. Similarly, Khalili et al [68] simulated the particulate suspensions by the LBM combined with a smoothed-profile method (SPM) in an IBM-LBM-SPM scheme. In the latter case, an artificial repelling force was added to prevent spheres from penetrating each other or with the wall.…”

Section: Collision Forces Through the Discrete Element Modelingmentioning

confidence: 99%

A Review on Contact and Collision Methods for Multi-Body Hydrodynamic Problems in Complex Flows

Karimnejad¹,

Delouei²,

Başağaoğlu³

et al. 2022

CICP

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Modeling and direct numerical simulation of particle-laden flows have a tremendous variety of applications in science and engineering across a vast spectrum of scales from pollution dispersion in the atmosphere, to fluidization in the combustion process, to aerosol deposition in spray medication, along with many others. Due to their strongly nonlinear and multiscale nature, the above complex phenomena still raise a very steep challenge to the most computational methods. In this review, we provide comprehensive coverage of multibody hydrodynamic (MBH) problems focusing on particulate suspensions in complex fluidic systems that have been simulated using hybrid Eulerian-Lagrangian particulate flow models. Among these hybrid models, the Immersed Boundary-Lattice Boltzmann Method (IB-LBM) provides mathematically simple and computationally-efficient algorithms for solid-fluid hydrodynamic interactions in MBH simulations. This paper elaborates on the mathematical framework, applicability, and limitations of various 'simple to complex' representations of close-contact interparticle interactions and collision methods, including short-range interparticle and particle-wall steric interactions, spring and lubrication forces, normal and oblique collisions, and mesoscale molecular models for deformable particle collisions based on hard-sphere and soft-sphere models in MBH models to simulate settling or flow of nonuniform particles of different geometric shapes and sizes in diverse fluidic systems.

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Section: Collision Forces Through the Discrete Element Modelingmentioning

confidence: 99%