Lattice Boltzmann method for viscoelastic fluids
材料科学
2009-11-07 v1
摘要
Lattice Boltzmann model for viscoelastic flow simulation is proposed; elastic effects are taken into account in the framework of Maxwell model. The following three examples are studied using the proposed approach: a transverse velocity autocorrelation function for free evolving system with random initial velocities, a boundary-driven propagating shear waves, and a resonant enhancement of oscillations in a periodically driven fluid in a capillary. The measured shear wave dispersion relation is found to be in a good agreement with the theoretical one derived for the Navier-Stokes equation with the Maxwell viscoelastic term.
引用
@article{arxiv.cond-mat/0110503,
title = {Lattice Boltzmann method for viscoelastic fluids},
author = {Iaroslav Ispolatov and Martin Grant},
journal= {arXiv preprint arXiv:cond-mat/0110503},
year = {2009}
}
备注
4 pages, 5 figures