مقایسهٔ روشها
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| روش حجم سیال× | روش بولتزمن شبکهای× | |
|---|---|---|
| حوزه | دینامیک سیالات | دینامیک سیالات |
| خانواده | Process / pipeline | Process / pipeline |
| سال پیدایش≠ | 1981 | 1988 |
| پدیدآور≠ | Cleve Hirt | Gianluigi Zanetti |
| نوع≠ | Eulerian interface tracking method | Kinetic theory-based simulation method |
| منبع بنیادین≠ | 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 ↗ | McNamara, G. R., & Zanetti, G. (1988). Use of the Boltzmann equation to simulate lattice-gas automata. Physical Review Letters, 61(20), 2332-2335. DOI ↗ |
| نامهای دیگر≠ | VOF, VoF, volume fraction method | LBM, lattice gas automata |
| مرتبط | 5 | 5 |
| خلاصه≠ | 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. | 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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