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In this paper, we consider the homogenization problems for evolutionary incompressible Navier-Stokes system in three dimensional domains perforated with a large number of small holes which are periodically located. We first establish…

偏微分方程分析 · 数学 2022-12-14 Yong Lu , Peikang Yang

We study a Stokes system posed in a thin perforated layer with a Navier-slip condition on the internal oscillating boundary from two viewpoints: 1) dimensional reduction of the layer and 2) homogenization of the perforated structure.…

偏微分方程分析 · 数学 2022-10-24 John Fabricius , Markus Gahn

We consider the homogenization problem of the compressible Navier-Stokes equations in a bounded three dimensional domain perforated with very tiny holes. As the number of holes increases to infinity, we show that, if the size of the holes…

偏微分方程分析 · 数学 2017-03-21 Yong Lu , Sebastian Schwarzacher

The steady motion of a viscous incompressible fluid in a multiply-connected, planar, bounded domain (perforated with a large number of small holes) is modeled through the Navier-Stokes equations with non-homogeneous Dirichlet boundary data…

偏微分方程分析 · 数学 2025-02-25 Clara Patriarca , Gianmarco Sperone

In this paper we study the homogenization of a stochastic process and its associated evolution equations in which we mix a local part (given by a Brownian motion with a reflection on the boundary) and a nonlocal part (given by a jump…

概率论 · 数学 2020-03-10 Monia Capanna , Julio D. Rossi

In this article we study the asymptotic behaviour of the solution of the three species chemical reaction-diffusion model with non-homogeneous Neumann boundary condition in a perforated domain. We investigate how the mass inflow at the…

偏微分方程分析 · 数学 2026-03-31 Saumyajit Das , Kshitij Sinha

In this paper, we study stochastic homogenization of a coupled diffusion-reaction system. The diffusion-reaction system is coupled to stochastic differential equations, which govern the changes in the media properties. Though homogenization…

概率论 · 数学 2018-10-18 Hakima Bessaih , Yalchin Efendiev , Razvan Florian Maris

We study stochastic homogenization of a quasilinear parabolic PDE with nonlinear microscopic Robin conditions on a perforated domain. The focus of our work lies on the underlying geometry that does not allow standard homogenization…

偏微分方程分析 · 数学 2021-10-08 Martin Heida , Benedikt Jahnel , Anh Duc Vu

We study coupled motion of a 1-D closed elastic string immersed in a 2-D Stokes flow, known as the Stokes immersed boundary problem in two dimensions. Using the fundamental solution of the Stokes equation and the Lagrangian coordinate of…

偏微分方程分析 · 数学 2017-09-01 Fang-Hua Lin , Jiajun Tong

This work is devoted to the study of the limiting behaviour of the Stokes type fluid flows in porous media. The boundary conditions here are of the Fourier-Neumann's type on the boundary of the holes. Under the periodic hypothesis on the…

偏微分方程分析 · 数学 2024-12-25 Lazarus Signing

This short survey article stems from recent progress on critical cases of stochastic evolution equations in variational formulation with additive, multiplicative or gradient noises. Typical examples appear as the limit cases of the…

概率论 · 数学 2025-10-24 Ioana Ciotir , Dan Goreac , Jonas M. Tölle

We consider a non-stationary Stokes-Nernst-Planck-Poisson system posed in perforated domains. Our aim is to justify rigorously the homogenization limit for the upscaled system derived by means of two-scale convergence in \cite{RMK12}. In…

偏微分方程分析 · 数学 2017-10-26 Vo Anh Khoa , Adrian Muntean

In the present work the second Stokes problem about behaviour of the rarefied gas filling half-space is formulated. A plane limiting half-space makes harmonious fluctuations with variable amplitude in the plane. The amplitude changes on the…

流体动力学 · 物理学 2016-03-16 A. V. Latyshev , E. A. Bedrikova

In this work we present the homogenization of a reaction-diffusion model that includes an evolving microstructure. Such type of problems model, for example, mineral dissolution and precipitation in a porous medium. Hence, we are dealing…

偏微分方程分析 · 数学 2022-05-09 Markus Gahn , Iuliu Sorin Pop

This paper deals with the homogenization of the $p$-Laplacian reaction-diffusion problems in a domain containing periodically distributed holes of size $\varepsilon$, with a dynamical boundary condition of pure-reactive type. We generalize…

偏微分方程分析 · 数学 2025-12-18 María Anguiano

We investigate a functional limit theorem (homogenization) for Reflected Stochastic Differential Equations on a half-plane with stationary coefficients when it is necessary to analyze both the effective Brownian motion and the effective…

概率论 · 数学 2009-09-18 Remi Rhodes

We consider a reaction-diffusion-advection problem in a perforated medium, with nonlinear reactions in the bulk and at the microscopic boundary, and low diffusion scaling. The microstructure changes in time; the microstructural evolution is…

偏微分方程分析 · 数学 2021-12-02 Markus Gahn , Maria Neuss-Radu , Iulio Sorin Pop

In this paper, we study the homogenization problems for the stationary compressible Navier-Stokes system in a bounded 2D domain, where the domain is perforated with very tiny holes (or obstacles) whose diameters are much smaller than their…

偏微分方程分析 · 数学 2022-07-20 Sarka Necasova , Jiaojiao Pan

The second Stokes problem about behaviour of the rarefied gas filling half-space is formulated. A plane, limiting half-space, makes harmonious oscillations in the plane. The kinetic equation with modelling integral of collisions in the form…

数学物理 · 物理学 2011-11-16 V. A. Akimova , A. V. Latyshev , A. A. Yushkanov

Stochastic homogenization is achieved for a class of elliptic and parabolic equations describing the lifetime, in large domains, of stationary diffusion processes in random environment which are small, statistically isotropic perturbations…

偏微分方程分析 · 数学 2016-03-01 Benjamin J. Fehrman