The lattice Boltzmann method (LBM) is a computational fluid dynamics technique used to simulate fluid flow by modeling the behavior of particles on a lattice grid. It works by solving the Boltzmann equation using discrete velocity models, enabling the study of complex fluid dynamics, especially in unsteady flow situations. This method is particularly powerful for simulating multiphase flows and interactions with boundaries, making it suitable for a wide range of applications in engineering and physics.
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