مقایسهٔ روشها
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| روش بولتزمن شبکهای× | هیدرودینامیک ذرات هموار شده× | |
|---|---|---|
| حوزه | دینامیک سیالات | دینامیک سیالات |
| خانواده | Process / pipeline | Process / pipeline |
| سال پیدایش≠ | 1988 | 1977 |
| پدیدآور≠ | Gianluigi Zanetti | Monaghan John & Lucy Leon |
| نوع≠ | Kinetic theory-based simulation method | Meshfree particle method |
| منبع بنیادین≠ | McNamara, G. R., & Zanetti, G. (1988). Use of the Boltzmann equation to simulate lattice-gas automata. Physical Review Letters, 61(20), 2332-2335. DOI ↗ | Lucy, L. B. (1977). A numerical approach to the testing of the fission hypothesis. The Astronomical Journal, 82(12), 1013-1024. DOI ↗ |
| نامهای دیگر | LBM, lattice gas automata | SPH, particle hydrodynamics |
| مرتبط | 5 | 5 |
| خلاصه≠ | 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. | Smoothed Particle Hydrodynamics (SPH) is a meshfree particle method for simulating fluid dynamics, developed independently by Lucy in 1977 and Gingold and Monaghan in 1977. Rather than discretizing on a fixed grid, SPH represents fluids as collections of particles that carry mass, momentum, and energy. Each particle interacts with neighbors within a kernel support radius, enabling natural handling of free surfaces, large deformations, and multiphase flows without remeshing. SPH has become indispensable for simulations involving violent flows, impacts, and complex interfaces. |
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