| Titre : |
A multi-scale homogenization procedure for the estimation of Young's modulus of porous materials by a multi-void shape model |
| Type de document : |
texte imprimé |
| Auteurs : |
Mohamed Masmoudi, Auteur ; Wahid Kaddouri, Auteur ; Kaouther Bourih, Auteur ; Abdellah Bourih, Auteur ; Salah Madani, Auteur |
| Année de publication : |
2022 |
| Article en page(s) : |
p. 165-172 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Elasticité
Matériaux poreux
|
| Tags : |
'Matériaux poreux multiphases' 'Technique de champ moyen' 'Homogénéisation numérique multi-échelle' 'Module Young effectif' 'Modèle forme multipore' |
| Résumé : |
Transversal cross-section pores of lotus-type porous materials are generally considered circular ; however, they exhibit various pore geometries, which affect their effective properties. The main objective of this work is to develop a generalized model which allows estimating the effective Young’s modulus of multi-void shape porous microstructures by exploiting a relationship developed to evaluate the effective Young’s modulus of porous materials with single-void shape. A procedure based on free software is then proposed to allow the application of the proposed generalized model on real lotus-type porous material images to estimate the effective Young’s modulus. The free tool allows the processing of real porous materials images to obtain multi-void shape microstructures and their pores parameters data. The validation of the generalized model has been established by confronting the obtained results with experimental data taken from literature; an excellent agreement was observed. Therefore, it can be concluded that the proposed procedure associated with the generalized model can be used efficiently for predicting the effective Young’s modulus of the multi-void porous materials, particularly lotus-type porous materials. |
| Note de contenu : |
- REPRESENTATIVE MODEL : Presentation of the employed model - Proposed generalized model
- APPLICATION OF THE PROPOSED MODEL : - Description of the ImageJ software
- COMPUTATIONAL PROCEDURE : Computational - Homogenization - Effective bulk modulus and effective shear modulus
- Table 1 : Processed porous microstructures
- Table 2 : Obtained results by ImageJ processing
- Table 3 : Green RVE (position 1) results matrix area Am = 14,686,705 |
| DOI : |
https://doi.org/10.18280/rcma.320401 |
| En ligne : |
https://www.iieta.org/download/file/fid/79474 |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38208 |
in REVUE DES COMPOSITES ET DES MATERIAUX AVANCES > Vol. 23, N° 4 (08/2022) . - p. 165-172
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