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Phase separation of incompressible binary fluids with lattice Boltzmann methods

Authors
Journal
Physica A Statistical Mechanics and its Applications
0378-4371
Publisher
Elsevier
Publication Date
Volume
331
Identifiers
DOI: 10.1016/j.physa.2003.09.040
Keywords
  • Lattice Boltzmann Methods
  • Binary Mixtures
  • Phase Separation
Disciplines
  • Computer Science

Abstract

Abstract We introduce new versions of lattice Boltzmann methods (LBM) for incompressible binary mixtures where fluctuations of total density are inhibited. As a test for the improved algorithms we consider the problem of phase separation of two-dimensional binary mixtures quenched from a disordered state into the coexistence region. We find that the stability properties of LBM are greatly improved. The control of density fluctuations and the possibility of running longer simulations allow a more precise evaluation of the growth exponent.

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