Multiscale Simulation with a Two-Way Coupled Lattice Boltzmann Method and Discrete Element Method
Abstract
Abstract Simulations are helpful to better understand the dynamics and interactions of large numbers of particles and fluid in processes that occur in chemical or process engineering. Depending on whether the suspension is dense, dilute or semi‐dilute, the particles and fluid can be mutually affected. Here, a lattice Boltzmann method for the fluid is combined with a discrete element method for the particles which were treated as point particles. Both are two‐way coupled by drag forces, based on momentum exchange. Single‐particle sedimentation is chosen as a first validation example for one‐ and two‐way coupling. For dense suspensions, contact forces are necessary and a scenario for two colliding particles is verified before the simulation of a multiparticle block is performed.
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LBM simulation has a particular strength in multiphysics applications and is a suitable framework for the development of a computational model for algae trajectories and mass transfer.
“As an alternative approximation technique in CFD, an LBM simulation has a particular strength in multiphysics applications [19-34], and is a suitable framework for the development of a computational model for algae trajectories (LagrangeLagrange) and mass transfer (Euler-Lagrange).”
From Comprehensive Computational Model for Coupled Fluid Flow, Mass Transfer, and Light Supply in Tubular Photobioreactors Equipped with Glass Sponges (2022) · cites this paper as [21]
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References 20 · Cited by 15
- Authors
- Maier, M.-L., Henn, T., Thaeter, G., Nirschl, H., & Krause, M. J.
- Affiliations
- Karlsruhe Institute of Technology (DE)
- Karlsruhe Institute of Technology Institute for Applied and Numerical Mathematics Englerstrasse 2 76131 Karlsruhe Germany
- Corresponding author
- Maier, Marie-Luise
- Venue
- Chemical Engineering & Technology
- Publisher
- Wiley
- Published
- 2017-08-10
- Volume
- 40
- Issue
- 9
- Pages
- 1591-1598
- ISSN
- 0930-7516 (ISSN-L)
- 1521-4125
- OpenAlex
- W2724404238
- Cited by
- 15
- References
- 20
- Citations by year
- 2025: 2 · 2023: 1 · 2022: 1 · 2021: 3 · 2020: 3 · 2019: 1 · 2018: 4
- FWCI
- 1.72
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Chemical Engineering & Technology (publishedVersion)
- Funders
- Deutsche Forschungsgemeinschaft (KR 4259/2‐1)
- Topics
- Physical Sciences › Engineering › Computational Mechanics › Lattice Boltzmann Simulation Studies
- Physical Sciences › Engineering › Computational Mechanics › Granular flow and fluidized beds
- Physical Sciences › Engineering › Ocean Engineering › Particle Dynamics in Fluid Flows
- Keywords
- multiscale modeling, two-way coupling, lattice Boltzmann method, discrete element method, particle-fluid interaction, drag force, momentum transfer, concentrated suspensions, particle collisions, contact force, point particles
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