Abstract
Continuous-velocity lattice gas cellular automata method is applied to the simulation of the motion of a single droplet under a three-dimensional shear field. Immiscible binary fluid model with segregation intensity parameter is employed. A simple collision rule is introduced in order to describe the momentum transport from moving boundaries to the fluid. The calculations well simulate two types of the deformation and break-up behaviors, fracture and tipstreaming, of the droplet. The segregation intensity parameter of the fluid particles reasonably controls the surface tension of the droplet. The break-up behavior of the droplet is well correlated with the ratio of the shear strength and the segregation intensity parameter.
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