TY - JOUR
T1 - A new method of simulating fiber suspensions and applications to channel Flows
AU - Yang, Wei
AU - Zhou, Kun
N1 - KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: Supported by the National Natural Science Foundation of China under Grant No 11132008.
PY - 2012/6/12
Y1 - 2012/6/12
N2 - A successive iteration method is proposed to numerically simulate fiber suspensions. The computational field is discretized with the collocated finite volume method, and an ergodic hypothesis is adopted to greatly accelerate the solution to the Fokker - Planck equation. The method is employed in channel flows with different fiber volume fractions and aspect ratios, and its effectiveness is proved. The numerical results show that the existence of fibers significantly changes the pressure distribution, and the fiber aspect ratio has a greater effect on the velocity profile than on the volume faction. At the center of the channel, the velocity increases along the streamwise direction, while the velocity near the wall decreases slightly. The uncoupling and coupling solutions of the additional stress of the fiber suspensions are quite different. © 2012 Chinese Physical Society and IOP Publishing Ltd.
AB - A successive iteration method is proposed to numerically simulate fiber suspensions. The computational field is discretized with the collocated finite volume method, and an ergodic hypothesis is adopted to greatly accelerate the solution to the Fokker - Planck equation. The method is employed in channel flows with different fiber volume fractions and aspect ratios, and its effectiveness is proved. The numerical results show that the existence of fibers significantly changes the pressure distribution, and the fiber aspect ratio has a greater effect on the velocity profile than on the volume faction. At the center of the channel, the velocity increases along the streamwise direction, while the velocity near the wall decreases slightly. The uncoupling and coupling solutions of the additional stress of the fiber suspensions are quite different. © 2012 Chinese Physical Society and IOP Publishing Ltd.
UR - http://hdl.handle.net/10754/575688
UR - https://iopscience.iop.org/article/10.1088/0256-307X/29/6/064702
UR - http://www.scopus.com/inward/record.url?scp=84862637793&partnerID=8YFLogxK
U2 - 10.1088/0256-307X/29/6/064702
DO - 10.1088/0256-307X/29/6/064702
M3 - Article
SN - 0256-307X
VL - 29
SP - 064702
JO - Chinese Physics Letters
JF - Chinese Physics Letters
IS - 6
ER -