Derivation and analysis of a nonlocal Hele-Shaw-Cahn-Hilliard system for flow in thin heterogeneous layers

G Cardone, W Jäger, JL Woukeng - arXiv preprint arXiv:2404.02306, 2024 - arxiv.org
We derive, through the deterministic homogenization theory in thin domains, a new model
consisting of Hele-Shaw equation with memory coupled with the convective Cahn-Hilliard …

Multiphase homogenized diffusion models for problems with several parameters

GV Sandrakov - Izvestiya: Mathematics, 2007 - iopscience.iop.org
We deal with the homogenization of initial-boundary-value problems for parabolic equations
with asymptotically degenerate rapidly oscillating periodic coefficients, which are models for …

The hydrodynamics of an oscillating porous sphere

JR Looker, SL Carnie - Physics of Fluids, 2004 - pubs.aip.org
We determine the hydrodynamics of a rigid, weakly permeable sphere undergoing
translational oscillations in an incompressible Newtonian fluid. We check using …

Simulation of filtration processes for inhomogeneous media and homogenization

GV Sandrakov, SI Lyashko, VV Semenov - Cybernetics and Systems …, 2023 - Springer
The authors analyze dynamic processes of filtration in porous media and consider periodic
porous media formed by a large number of “blocks” with low permeability, separated by a …

Effect models for the stationary Navier–Stokes fluid in a porous medium with different scales

H Zhao - Nonlinear Analysis: Real World Applications, 2024 - Elsevier
In this paper, we investigate an incompressible flow through a thin corrugated domain fill
with fluid saturated porous medium. The porous medium flow is governed by Navier–Stokes …

A POD-based reduced-order finite difference extrapolating model with fully second-order accuracy for non-stationary Stokes equations

Z Luo, F Teng, Z Di - International Journal of Computational Fluid …, 2014 - Taylor & Francis
A proper orthogonal decomposition (POD) reduced-order finite difference (FD) extrapolating
model is established for the channel flow with local expansion denoted by non-stationary …

Faxén's law for arbitrary oscillatory Stokes flow past a porous sphere

J Prakash, GP Raja Sekhar, M Kohr - Archives of Mechanics, 2012 - am.ippt.pan.pl
The present article deals with the study of the hydrodynamics of a porous sphere in an
oscillatory viscous flow of an incompressible Newtonian fluid. Unsteady Stokes equations …

[图书][B] The electrokinetics of porous colloidal particles

JR Looker - 2006 - minerva-access.unimelb.edu.au
Theoretical models for the electrokinetics of weakly permeable porous colloidal particles are
absent from the literature. The understanding of this topic will be advanced through a …

The influence of viscosity on oscillations in some linearized problems of hydrodynamics

GV Sandrakov - Izvestiya: Mathematics, 2007 - iopscience.iop.org
We establish results on the asymptotic behaviour of solutions of non-stationary linearized
equations of hydrodynamics with a small viscosity coefficient and periodic data oscillating …

Многофазные осредненные модели диффузии для задач с несколькими параметрами

ГВ Сандраков - Известия Российской академии наук. Серия …, 2007 - mathnet.ru
Рассматривается осреднение начально-краевых задач для параболических уравнений
с периодическими быстроосциллирующими и асимптотически вырождающимися …