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Dissipative particle dynamics simulations for fibre suspensions in newtonian and viscoelastic fluids.

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Dissipative particle dynamics simulations for fibre suspensions in newtonian and viscoelastic fluids.

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Title: Dissipative particle dynamics simulations for fibre suspensions in newtonian and viscoelastic fluids.
Author: Duc, Duong-Hong.; Nhan, Phan-Thien.; Yeo, Khoon Seng.; Ausias, Gilles.
Copyright year: 2010
Abstract: A versatile model of fibre suspensions in Newtonian and viscoelastic fluids has been developed using dissipative particle dynamics method. The viscoelastic fluid is modelled by linear chains with linear connector spring force (the Oldroyd-B model), which is known to be a reasonable model for the so-called Boger fluid (a dilute suspension of polymer in a highly viscous solvent). The numerical results are in excellent agreement with the analytical results of the Oldroyd-B model in simple shear flow. An effective meso-scale model of fibre in DPD is proposed and then incorporated with simple Newtonian fluid and our Boger fluid to enable entirely study rheological properties of fibre suspensions in both Newtonian and viscoelastic solvents. The numerical results are well compared with available experimental data and other numerical models.
Subject: DRNTU::Engineering::Materials::Testing of materials.
Type: Journal Article
Series/ Journal Title: Computer methods in applied mechanics and engineering
Rights: © 2010 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Computer Methods in Applied Mechanics and Engineering, Elsevier.  It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document.  The published version is available at: [DOI: http://dx.doi.org/10.1016/j.cma.2010.01.010].
Version: Accepted version

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