Stokes 流中颗粒的沉降
偏微分方程分析
2020-02-04 v3
摘要
在本文中,我们考虑 个相同的球形颗粒在均匀重力场中沉降。模型中包含颗粒旋转,而忽略惯性。利用反射法,我们通过讨论在有限时间内守恒的最优颗粒间距,扩展了 [R. M. H"ofer, Sedimentation of inertialess particles in Stokes flows, arXiv:1610.03748, (2016)] 的研究。我们还证明了颗粒之间以由 Oseen 张量给出的奇异相互作用力相互作用,并在 [M. Hauray and P. E. Jabin, Particle approximation of Vlasov equations with singular forces : propagation of chaos, Ann. Sci. Ec. Norm. Super. (4), (2015)] 与 [M. Hauray, Wasserstein distances for vortices approximation of Euler-type equations, Math. Models Methods Appl. Sci. 19, (2009), pp. [1357,1384]] 的精神下论证了 Vlasov-Stokes 方程的平均场近似。
引用
@article{arxiv.1806.07795,
title = {Sedimentation of particles in Stokes flow},
author = {Amina Mecherbet},
journal= {arXiv preprint arXiv:1806.07795},
year = {2020}
}