方法对比
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| 欧拉-拉格朗日模型× | 格子玻尔兹曼方法× | |
|---|---|---|
| 领域 | 流体力学 | 流体力学 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1977 | 1988 |
| 提出者≠ | Crowe Christopher | Gianluigi Zanetti |
| 类型≠ | Multiphase coupling framework | Kinetic theory-based simulation method |
| 开创性文献≠ | Crowe, C., Sommerfeld, M., & Tsuji, Y. (2011). Multiphase Flows with Droplets and Particles (2nd ed.). CRC Press. ISBN: 978-1439840474 | McNamara, G. R., & Zanetti, G. (1988). Use of the Boltzmann equation to simulate lattice-gas automata. Physical Review Letters, 61(20), 2332-2335. DOI ↗ |
| 别名≠ | ELM, two-fluid model, multiphase Eulerian-Lagrangian | LBM, lattice gas automata |
| 相关 | 5 | 5 |
| 摘要≠ | The Eulerian-Lagrangian Model (ELM) is a framework for simulating multiphase flows by treating the continuous phase (liquid or gas) using Eulerian descriptions (fixed grid) and discrete dispersed phases (particles, droplets, bubbles) using Lagrangian tracking. Developed by Crowe and collaborators in 1977, this approach exploits the strengths of both perspectives: Eulerian methods for the bulk continuous phase and Lagrangian methods for individual dispersed elements. ELM is widely used in industrial applications including spray combustion, pneumatic conveying, and particle-laden flows. | The Lattice Boltzmann Method (LBM) is a kinetic theory-based computational approach to fluid dynamics that discretizes the Boltzmann equation on a lattice grid. Developed by McNamara and Zanetti in 1988, LBM computes fluid behavior by tracking the distribution of particle velocities at discrete lattice nodes rather than solving the Navier-Stokes equations directly. This method naturally incorporates complex physics (turbulence, multiphase flows, porous media) and is highly parallelizable, making it increasingly popular for modern computational platforms. |
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