Analysis Of Sedimentation In Viscous Suspensions Using The BEM

D G Tipton; L A Mondy; M S Ingber; A L Graham

doi:10.2495/BE020461

Analysis Of Sedimentation In Viscous Suspensions Using The BEM

Price

Free (open access)

Transaction

WIT Transactions on Modelling and Simulation

Volume

Pages

Published

2002

Size

474 kb

Paper DOI

10.2495/BE020461

WIT Press

Author(s)

D G Tipton, L A Mondy, M S Ingber & A L Graham

Abstract

Numerical simulations of sedimentation in both closed containers and pressure-driven conduits are studied using a parallel boundary element method (BEM). The BEM is based on the direct velocity boundary integral equation. The parallel data distribution uses a block-block (torus-wrap) scheme and a direct LU solver. Random distributions of up to 400 suspended particles are considered. For closed containers, the hindered settling correlation is found to be well characterized by the Richardson-Zaki (1954) correlation. However, for pressure-driven flows, the average sedimentation velocity is sensitive to both the length of the conduit and the imposed boundary conditions on the inlet and outlet.

Keywords

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Code

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