Online ISSN : 1883-8944
Print ISSN : 1884-2399
ISSN-L : 1883-8944

ジャーナル フリー

2012 年 68 巻 2 号 p. I_501-I_505

Large eddy simulation for granular-fluid in sheet-flow regime under oscillatory flow has been performed by using the solid-liquid two-phase flow model based on the Euler-Lagrange coupling. Rheological characteristics of sheet-flow layer where frequent inter-granular collisions occur has been investigated computationally. The simulated particle system is verified by comparison with the previous experimental results. Then the transitional area in the sheet-flow layer satisfying Bagnold's law is highlighted. And active inter-granular collisions are found by decreasing of the period of oscillation under the same bottom shear stress condition.