Volume 5, Issue 1
Numerical Simulations of Fiber Sedimentation in Navier-Stokes Flows

Jin Wang and Anita Layton

Commun. Comput. Phys., 5 (2009), pp. 61-83.

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  • Abstract

We perform numerical simulations of the sedimentation of rigid fibers suspended in a viscous incompressible fluid at nonzero Reynolds numbers. The fiber sedimentation system is modeled as a two-dimensional immersed boundary problem, which naturally accommodates the fluid-particle interactions and which allows the simulation of a large number of suspending fibers. We study the dynamics of sedimenting fibers under a variety of conditions, including differing fiber densities, Reynolds numbers, domainboundaryconditions, etc. Simulationresultsarecompared to experimental measurements and numerical results obtained in previous studies. 

  • History

Published online: 2009-05

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