A boundary condition with adjustable slip length for lattice Boltzmann simulations

@article{Ahmed2009ABC,
  title={A boundary condition with adjustable slip length for lattice Boltzmann simulations},
  author={N. K. Ahmed and M. Hecht},
  journal={Journal of Statistical Mechanics: Theory and Experiment},
  year={2009},
  volume={2009},
  pages={09017}
}
  • N. K. Ahmed, M. Hecht
  • Published 2009
  • Physics
  • Journal of Statistical Mechanics: Theory and Experiment
A velocity boundary condition for the lattice Boltzmann simulation technique has been proposed recently by Hecht and Harting (2008 arXiv:0811.4593). This boundary condition is independent of the relaxation process during collision and contains no artificial slip. In this work, this boundary condition is extended to simulate slip flows. The extended boundary condition has been tested and it is found that the slip length is independent of the shear rate and the density, and proportional to the… Expand
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