Quantifying the effect of two-point correlations on the effective elasticity of specific classes of random porous materials with and without connectivity

Autor: Kostas Danas, Sébastien Brisard, Othmane Zerhouni

Publikováno v: International Journal of Engineering Science
International Journal of Engineering Science, 2021, 166, pp.103520. ⟨10.1016/j.ijengsci.2021.103520⟩
International Journal of Engineering Science, Elsevier, 2021, 166, pp.103520. ⟨10.1016/j.ijengsci.2021.103520⟩

International audience It is well-known by now that the Hashin-Shtrikman bounds imply that the two-point correlation functions are not in general sufficient to estimate accurately the response of composites, especially when their underlying phases ex

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a46c993324bcebbef48757425845841f
https://doi.org/10.1016/j.ijengsci.2021.103520

Numerically-aided 3D printed random isotropic porous materials approaching the Hashin-Shtrikman bounds

Autor: M.G. Tarantino, Othmane Zerhouni, Kostas Danas

Publikováno v: Composites Part B: Engineering
Composites Part B: Engineering, Elsevier, 2019, 156, pp.344-354. ⟨10.1016/j.compositesb.2018.08.032⟩

International audience; The present study introduces a methodology that allows to combine 3D printing, experimental testing, numerical and analytical modeling to create random closed-cell porous materials with statistically controlled and isotropic o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46dc5061d24dc2672bec33517d5029fb
https://hal-polytechnique.archives-ouvertes.fr/hal-01875669/document

Influence of the internal geometry on the elastic properties of materials using 3D-printing of computer-generated random microstructures

Autor: Othmane Zerhouni, Fei Hong, M.G. Tarantino, Kostas Danas

Publikováno v: SEG technical program expanded abstracts
The Society of Exploration Geophysicists 2018 International Exposition and 88th Annual Meeting (SEG 2018)
The Society of Exploration Geophysicists 2018 International Exposition and 88th Annual Meeting (SEG 2018), Oct 2018, Anaheim, CA, United States. ⟨10.1190/segam2018-2998182.1⟩

International audience; Understanding elastic properties of rocks is a scientific challenge due to the complexity of their microstructures. This study combines the numerical tools to generate models for internal geometry of pores with the 3D printing

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3adf8f39bfb39368c69e99048189df1
https://hal-polytechnique.archives-ouvertes.fr/hal-01917370/file/Abstract_SEG2018.pdf