Abstract
Behavior of micrometer-size magnetic particles in a simple shear flow of magnetorheological fluids is investigated by using numerical simulation. Hybrid simulation method which combined both HSMAC method and discrete particle method based on the simplified Stokes dynamics is performed. Behaviors of magnetic particles in shear flows between two parallel plates are simulated. Chain-like clusters appear and they are combined each other to form wall structure in the presence of magnetic field in the static state. In the weak shear flow, such clusters move with flow, however, magnetic particles are rearranged as layered sheet-like structure in the rather strong shear flow.
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