Abstract
In order to apply the lattice Boltzmann method to a flow problem of magnetic suspensions, we have investigated the f1・asibility of the viscosity-modifying method that is expected to・be a technique for sophisticating the activating method of the particle Brownian motion based on fluctuation hydrodynamics. We have addressed a magnetic suspension in thermodynamic equilibrium to clarify the influences of various factors such as the roughness of a lattice system and the volumetric fraction of magnetic particles on the scaling coefficient of viscosity. From the snapshots and pair correlation functions of magnetic particles, it is seen that the viscosity-modifying method can show good agreement with the results of Monte Carlo method in berth quantitative and qualitative points. This good agreement is almost independent of the roughness of a lattice system if a relatively fine lattice system is used.
