Mesoscale Modeling of Amphiphilic Fluid Dynamics

So-called "vector models", in which surfactant molecules retain only translational and orientational degrees of freedom, have been used to study the equilibrium properties of amphiphilic fluids for nearly a decade now. We demonstrate that hydrodynamic lattice-gas automata provide an effect...

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Bibliographic Details
Published in:Molecular simulation 2001-01, Vol.26 (1), p.85-100
Main Authors: Boghosian, B. M., Coveney, P. V., Love, P., Maillet, J. B.
Format: Article
Language:English
Subjects:
Amphiphilic fluid dynamics
Mesoscale modelling
Vector models
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Summary:So-called "vector models", in which surfactant molecules retain only translational and orientational degrees of freedom, have been used to study the equilibrium properties of amphiphilic fluids for nearly a decade now. We demonstrate that hydrodynamic lattice-gas automata provide an effective means of coupling the Hamiltonian of such vector models to hydrodynamic flow with conserved momentum, thereby providing a self-consistent treatment of the hydrodynamics of amphiphilic fluids. In this "talk", we describe these hydrodynamic lattice-gas models in two and three dimensions, and present their application to problems of amphiphilic-fluid hydrodynamics, including the dynamics of phase separation and the shear-induced sponge-to-lamellar phase transition.
ISSN:0892-7022
1029-0435
DOI:10.1080/08927020108024202