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Multiscale homogenization of nonlinear hyperbolic-parabolic equations

Abdelhakim DehamniaHamid Haddadou — 2023

Applications of Mathematics

The main purpose of the present paper is to study the asymptotic behavior (when ε 0 ) of the solution related to a nonlinear hyperbolic-parabolic problem given in a periodically heterogeneous domain with multiple spatial scales and one temporal scale. Under certain assumptions on the problem’s coefficients and based on a priori estimates and compactness results, we establish homogenization results by using the multiscale convergence method.

A general homogenization result of spectral problem for linearized elasticity in perforated domains

Mohamed Mourad Lhannafi Ait YahiaHamid Haddadou — 2021

Applications of Mathematics

The goal of this paper is to establish a general homogenization result for linearized elasticity of an eigenvalue problem defined over perforated domains, beyond the periodic setting, within the framework of the H 0 -convergence theory. Our main homogenization result states that the knowledge of the fourth-order tensor A 0 , the H 0 -limit of A ε , is sufficient to determine the homogenized eigenvalue problem and preserve the structure of the spectrum. This theorem is proved essentially by using Tartar’s method...

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