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| Eulerian-Lagrangian Model× | Volume of Fluid-metoden× | |
|---|---|---|
| Fagområde | Fluiddynamik | Fluiddynamik |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1977 | 1981 |
| Ophavsperson≠ | Crowe Christopher | Cleve Hirt |
| Type≠ | Multiphase coupling framework | Eulerian interface tracking method |
| Oprindelig kilde≠ | Crowe, C., Sommerfeld, M., & Tsuji, Y. (2011). Multiphase Flows with Droplets and Particles (2nd ed.). CRC Press. ISBN: 978-1439840474 | Hirt, C. W., & Nichols, B. D. (1981). Volume of fluid (VOF) method for the dynamics of free boundaries. Journal of Computational Physics, 39(1), 201-225. DOI ↗ |
| Aliasser | ELM, two-fluid model, multiphase Eulerian-Lagrangian | VOF, VoF, volume fraction method |
| Relaterede | 5 | 5 |
| Resumé≠ | 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 Volume of Fluid (VOF) method is an Eulerian interface-tracking technique for multiphase flow simulations, developed by Hirt and Nichols in 1981. Instead of explicitly tracking the interface between phases, VOF advects a scalar field (the volume fraction) that represents the fractional volume of one phase in each grid cell. This approach elegantly handles topological changes (splashing, merging, breaking) without explicit interface reconstruction, making it ideal for complex multiphase flows on fixed Eulerian grids. |
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