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|Title:||Dissipative particle dynamics simulations for fibre suspensions in newtonian and viscoelastic fluids|
|Citation:||Duong-Hong, D., Phan-Thien, N., Yeo, K.S., Ausias, G. (2010-04). Dissipative particle dynamics simulations for fibre suspensions in newtonian and viscoelastic fluids. Computer Methods in Applied Mechanics and Engineering 199 (23-24) : 1593-1602. ScholarBank@NUS Repository. https://doi.org/10.1016/j.cma.2010.01.010|
|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. © 2010 Elsevier B.V.|
|Source Title:||Computer Methods in Applied Mechanics and Engineering|
|Appears in Collections:||Staff Publications|
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