Sedimentation and Flow Through Porous Media: Simulating Dynamically Coupled Discrete and Continuum Phases

Abstract

We describe a method to address efficiently problems of two-phase flow in the regime of low particle Reynolds number and negligible Brownian motion. One of the phases is an incompressible continuous fluid and the other a discrete particulate phase which we simulate by following the motion of single particles. Interactions between the phases are taken into account using locally defined drag forces. We apply our method to the problem of flow through random media at high porosity where we find good agreement to theoretical expectations for the functional dependence of the pressure drop on the solid volume fraction. We undertake further validations on systems undergoing gravity induced sedimentation.

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References in corpus (2)

• Numerical Simulations of Particulate Suspensions via a Discretized Boltzmann Equation Part I. Theoretical Foundation
• Numerical Simulations of Particulate Suspensions via a Discretized Boltzmann Equation Part II. Numerical Results

Cited by in corpus (7)

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• Computational Steering of Cluster Formation in Brownian Suspensions