Emergence of rheological properties in lattice Boltzmann simulations of gyroid mesophases

Details Emergence of rheological properties in lattice Boltzmann simulations of gyroid mesophases Emergence of rheological properties in lattice Boltzmann simulations of gyroid mesophases

2006-01-13

arxiv.org/abs/cond-mat/0601295v1

Europhysics Letters 73, 533-539 (2006)

Physics

Condensed Matter

Soft Condensed Matter

7 pages, 5 figures

Scientific paper

10.1209/epl/i2005-10438-x

We use a lattice Boltzmann (LB) kinetic scheme for modelling amphiphilic fluids that correctly predicts rheological effects in flow. No macroscopic parameters are included in the model. Instead, three-dimensional hydrodynamic and rheological effects are emergent from the underlying particulate conservation laws and interactions. We report evidence of shear thinning and viscoelastic flow for a self-assembled gyroid mesophase. This purely kinetic approach is of general importance for the modelling and simulation of complex fluid flows in situations when rheological properties cannot be predicted {\em a priori}.

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