Deformation, growth, and order in sheared spinodal decomposition

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Abstract
The effect of hydrodynamics on growth is studied by numerical simulation of two-dimensional phase separation in a simple shear flow. The simulations are performed with a momentum-conserving lattice-gas model of an immiscible binary fluid. The results reveal that an anisotropic anomaly that was previously observed in experimentally obtained structure functions is due to a shear-induced, smecticlike ordering of the domains.