A direct simulation of fibre suspensions

by: Xijun Fan, N Phan-Thien, Rong Zheng

Journal of Non-Newtonian Fluid Mechanics, Vol. 74, No. 1-3. (January 1998), pp. 113-135.

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Abstract

A numerical method to simulate fibre suspensions in shear flow is reported, which takes into account short range interaction via lubrication forces and long range interaction via slender body approximation, together with an appropriate Ewald summation technique. The numerical results are averaged to produce macroscopic properties of the suspension, including the Folgar-Tucker diffusion constant, the structure functions, and the reduced viscosity. In the semi-concentrated to concentrated regime, the fibres no longer follow Jeffery's orbits, they align mostly with the shear direction. Numerical data on the diffusivity constant, the structure functions, and the reduced viscosity agree reasonably well with available experimental data.

@article{citeulike:2878930, abstract = {A numerical method to simulate fibre suspensions in shear flow is reported, which takes into account short range interaction via lubrication forces and long range interaction via slender body approximation, together with an appropriate Ewald summation technique. The numerical results are averaged to produce macroscopic properties of the suspension, including the Folgar-Tucker diffusion constant, the structure functions, and the reduced viscosity. In the semi-concentrated to concentrated regime, the fibres no longer follow Jeffery's orbits, they align mostly with the shear direction. Numerical data on the diffusivity constant, the structure functions, and the reduced viscosity agree reasonably well with available experimental data.}, author = {Fan, Xijun and Phan-Thien, N. and Zheng, Rong }, citeulike-article-id = {2878930}, doi = {http://dx.doi.org/10.1016/S0377-0257(97)00050-5}, journal = {Journal of Non-Newtonian Fluid Mechanics}, keywords = {fiber, lab3}, month = {January}, number = {1-3}, pages = {113--135}, posted-at = {2008-06-10 10:24:47}, priority = {2}, title = {A direct simulation of fibre suspensions}, url = {http://dx.doi.org/10.1016/S0377-0257(97)00050-5}, volume = {74}, year = {1998} }

RIS record

TY - JOUR ID - citeulike:2878930 L3 - citeulike-article-id:2878930 TI - A direct simulation of fibre suspensions JF - Journal of Non-Newtonian Fluid Mechanics VL - 74 IS - 1-3 SP - 113 EP - 135 N2 - A numerical method to simulate fibre suspensions in shear flow is reported, which takes into account short range interaction via lubrication forces and long range interaction via slender body approximation, together with an appropriate Ewald summation technique. The numerical results are averaged to produce macroscopic properties of the suspension, including the Folgar-Tucker diffusion constant, the structure functions, and the reduced viscosity. In the semi-concentrated to concentrated regime, the fibres no longer follow Jeffery's orbits, they align mostly with the shear direction. Numerical data on the diffusivity constant, the structure functions, and the reduced viscosity agree reasonably well with available experimental data. KW - fiber KW - lab3 AU - Fan, Xijun AU - Phan-Thien, N AU - Zheng, Rong PY - 1998/01// UR - http://dx.doi.org/10.1016/S0377-0257(97)00050-5 ER -

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