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  • Title: Axisymmetric multiphase lattice Boltzmann method.
    Author: Srivastava S, Perlekar P, Boonkkamp JH, Verma N, Toschi F.
    Journal: Phys Rev E Stat Nonlin Soft Matter Phys; 2013 Jul; 88(1):013309. PubMed ID: 23944585.
    Abstract:
    A lattice Boltzmann method for axisymmetric multiphase flows is presented and validated. The method is capable of accurately modeling flows with variable density. We develop the classic Shan-Chen multiphase model [Phys. Rev. E 47, 1815 (1993)] for axisymmetric flows. The model can be used to efficiently simulate single and multiphase flows. The convergence to the axisymmetric Navier-Stokes equations is demonstrated analytically by means of a Chapmann-Enskog expansion and numerically through several test cases. In particular, the model is benchmarked for its accuracy in reproducing the dynamics of the oscillations of an axially symmetric droplet and on the capillary breakup of a viscous liquid thread. Very good quantitative agreement between the numerical solutions and the analytical results is observed.
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