On the Homogenization of 2D Porous Material with Determination of RVE

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BOUTAANI MS, MADANI S, KANIT T, FEDAOUI K. On the Homogenization of 2D Porous Material with Determination of RVE. International Journal of Mechanical & Mechatronics Engineering IJMME-IJENS [Internet]. 2016;Vol:16 (No:01).

Abstract:

The numerical homogenization technique is used in order to compute the effective elastic properties of heterogeneous random 2-phase composites.Differents microstructures are considered with different volume fraction.microstructure with random distribution of identical non-overlapping phases inclusions based on the Poisson process.(PBC), boundary conditions are applied on the representati ve volume element, RVE, of microstructures, for elastic modeling by finite element method. The aim of the work was to examine how spatial distribution and particles volume fraction influences the elastic propertiesof the composite material. The results were compared to various analytical model

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said BOUTAANIM, Madani S, Fedaoui K, Kanit T. EVALUATION OF EFFECTIVE MECHANICAL PROPERTIES OF COMPLEX MULTIPHASE MATERIALS WITH FINITE ELEMENT METHOD. composites [Internet]. 2017;3 (4) :5-6. Publisher's Version Abstract

Prediction of effective properties for multiphase composite is very important not only to analysis and optimization of material performance, but also to new material designs. In this paper, the effective elastic property of some complex particulate composites is analyzed and compared with numerical results, demonstrating the validity of the proposed approach. We propose the equivalent morphology concept for the numerical homogenization of random composites. In this study, this concept is extended for complex material. A home script based on Python codes is made to automate the generating of Representative volume element with various volume fraction.

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Bayarassou M, Baira F, Zidani M, Djimaoui T, Fedaoui K. Study of the Effect of Aging on Precipitation in Wire Drawn and Annealed Aluminum Alloy (AGS). Defect and Diffusion Forum [Internet]. 2019;397 :76-80. Publisher's Version Abstract

In this paper, the study of precipitation reaction in the aluminum alloy known as AGS 6101. For the case of Cold drawn wires process in the open air space and at room temperature for two years, we inspect first the presence of precipitates in the microstructure and study the effect of heat treatment on the activation of this phenomenon [1]. The second objective of this work is to see the effect of natural and thermal aging on the microstructural evolution of cold-drawn aluminum wires (AGS) 6101 [2-5]. The characterization methods used in this work are optical microscopy (OM), scanning electron microscopy (SEM) and X-ray diffraction.

Laboratoire de Mécanique des Structures et Matériaux

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On the Homogenization of 2D Porous Material with Determination of RVE

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