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We develop the stochastic two-scale convergence method in the framework of Orlicz-Sobolev spaces, in order to deal with the homogenization of coupled stochastic-periodic problems in such spaces. One fundamental in this topic is the…

偏微分方程分析 · 数学 2025-10-17 Dongho Joseph , Fotso Tachago Joel , Tchinda Takougoum Franck

In this paper, we study the stochastic homogenization for a family of integral functionals with convex and nonstandard growth integrands defined on Orlicz-Sobolev's spaces. One fundamental in this topic is to extend the classical…

偏微分方程分析 · 数学 2025-07-15 Joseph Dongho , Joel Fotso Tachago , Franck Tchinda

It is shown by means of reiterated two-scale convergence in the Sobolev-Orlicz setting, that the sequence of solutions of a class of highly oscillatory problems involving nonlinear elliptic operators with nonstandard growth, converges to a…

偏微分方程分析 · 数学 2023-02-20 Joel Fotso Tachago , Hubert Nnang , Elvira Zappale

The periodic unfolding method is extended to the Orlicz setting and used to prove a homogenization result for non-convex integral energies defined on vector-valued configurations in the Orlicz-Sobolev setting.

偏微分方程分析 · 数学 2024-06-25 Joel Fotso Tachago , Guiliano Gargiulo , Hubert Nnang , Elvira Zappale

The concept of reiterated $\Sigma$-convergence (and more generally of multiscale $\Sigma$-convergence) is extended to framework of Orlicz-Sobolev spaces, in order to deals with homogenization of multiscales problems in general deterministic…

偏微分方程分析 · 数学 2025-07-30 J. Dongho , Joel Fotso Tachago , H. Nnang , T. F. A. Tchinda

In this paper, we are interested in reiterated periodic homogenization for a family of parabolic problems with nonstandard growth monotone operators leading to Orlicz spaces. The aim of this work is the determination of the global…

偏微分方程分析 · 数学 2024-06-03 Franck Tchinda , Joel Fotso Tachago , Joseph Dongho

We consider the homogenization of random integral functionals which are possibly unbounded, that is, the domain of the integrand is not the whole space and may depend on the space-variable. In the vectorial case, we develop a complete…

最优化与控制 · 数学 2026-04-13 Davide Aruta , Francesca Prinari , Francesco Solombrino

The $\Gamma $-limit of a family of functionals $u\mapsto \int_{\Omega }f\left( \frac{x}{\varepsilon },\frac{x}{\varepsilon ^{2}},D^{s}u\right) dx$ is obtained for $s=1,2$ and when the integrand $f=f\left( y,z,v\right) $ is a continous…

最优化与控制 · 数学 2019-11-07 Joel Fotso Tachago , Giuliano Gargiulo , Hubert Nnang , Elvira Zappale

This paper aims to extend the concept of stochastic $\Sigma$-convergence to the framework of Orlicz-Sobolev spaces in order to deals with coupled stochastic and deterministic homogenization problems in this type of spaces. Thus, this…

Stochastic-periodic homogenization is studied for the Maxwell equations with nonlinear and periodic electric conductivity. It is shown by the stochastic-two-scale convergence method that the sequence of solutions of a class of highly…

偏微分方程分析 · 数学 2023-12-27 Joel Fotso Tachago , Hubert Nnang

(Two-scale) gradient Young measures in Orlicz-Sobolev setting are introduced and characterized providing also an integral representation formula for non convex energies arising in homogenization problems with nonstandard growth.

偏微分方程分析 · 数学 2024-07-08 Joel Fotso Tachago , Hubert Nnang , Franck Tchinda , Elvira Zappale

We consider a class of integral functionals with convex integrand with respect to the gradient variable, assuming that the function that measures the oscillation of the integrand with respect to the x variable belongs to a suitable Sobolev…

偏微分方程分析 · 数学 2019-10-10 Andrea Gentile

The article studies the reiterated homogenization of linear elliptic variational inequalities arising in problems with unilateral constrains. We assume that the coefficients of the equations satisfy and abstract hypothesis covering on each…

数学物理 · 物理学 2018-11-16 Hermann Douanla , Cyrille Kenne

This paper is devoted to the homogenization of Shr\"odinger type equations with periodically oscillating coefficients of the diffusion term, and a rapidly oscillating periodic time-dependent potential. One convergence theorem is proved and…

偏微分方程分析 · 数学 2016-11-29 Lazarus Signing

The aim of the paper is to introduce an alternative notion of two-scale convergence which gives a more natural modeling approach to the homogenization of partial differential equations with periodically oscillating coefficients: while…

偏微分方程分析 · 数学 2016-07-20 François Alouges , Giovanni Di Fratta

This paper investigates quantitative estimates in the homogenization of second-order elliptic systems with periodic coefficients that oscillate on multiple separated scales. We establish large-scale interior and boundary Lipschitz estimates…

偏微分方程分析 · 数学 2019-09-23 Weisheng Niu , Zhongwei Shen , Yao Xu

We are interested in the homogenization of elastic-electric coupling equation, with rapidly oscillating coefficients, in periodically perforated piezoelectric body. We justify the two first terms in the usual asymptotic development of the…

数值分析 · 数学 2007-09-10 Mechkour Houari

A periodic homogenization result of nonconvex integral functionals in the vectorial case with convex bounded constraints on gradients is proved. The class of integrands considered have singular behavior near the boundary of the convex set…

偏微分方程分析 · 数学 2010-01-06 Omar Anza Hafsa , Jean-Philippe Mandallena

The two-scale computational homogenization method is proposed for modelling of locally periodic fluid-saturated media subjected a to large deformation induced by quasistatic loading. The periodic heterogeneities are relevant to the…

数值分析 · 数学 2022-02-11 Vladimír Lukeš , Eduard Rohan

We prove stochastic homogenization for integral functionals defined on Sobolev spaces, where the stationary, ergodic integrand satisfies a degenerate growth condition of the form \begin{equation*} c|\xi A(\omega,x)|^p\leq…

偏微分方程分析 · 数学 2021-10-26 Matthias Ruf , Thomas Ruf
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