In this paper, we describes the simulations of two- and three-dimensional interfacial motions in shear flow based on the lattice Boltzmann method (LBM), in which a macroscopic fluid flow results from averaging collision and translation of mesoscopic particles and an interface can be reproduced in a self-organizing way by repulsive interaction between particles. A new scheme in the binary fluid model is proposed to simulate motions of immiscible two phases with different mass densities, and examined in numerical analysis of bubble motions under gravity in a circular tube and deformation of bubble under shear stress. For higher Reynolds numbers, a finite difference-based lattice Boltzmann scheme is applied to the kinetic equations of particle to improve numerical stability, which can capture break-up motions of bubble. Parallel computing in LBM is also discussed briefly for efficient speeding up.
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ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
July 14–18, 2002
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
0-7918-3615-0
PROCEEDINGS PAPER
Simulation of Interface Deformation in Shear Flow Using Binary Fluid Lattice Boltzmann Model Available to Purchase
Naoki Takada,
Naoki Takada
National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
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Shigeo Hosokawa
Shigeo Hosokawa
Kobe University, Kobe, Japan
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Naoki Takada
National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
Akio Tomiyama
Kobe University, Kobe, Japan
Shigeo Hosokawa
Kobe University, Kobe, Japan
Paper No:
FEDSM2002-31150, pp. 867-874; 8 pages
Published Online:
February 24, 2009
Citation
Takada, N, Tomiyama, A, & Hosokawa, S. "Simulation of Interface Deformation in Shear Flow Using Binary Fluid Lattice Boltzmann Model." Proceedings of the ASME 2002 Joint U.S.-European Fluids Engineering Division Conference. Volume 1: Fora, Parts A and B. Montreal, Quebec, Canada. July 14–18, 2002. pp. 867-874. ASME. https://doi.org/10.1115/FEDSM2002-31150
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