Two-Dimensional Analysis of Size Effects in Strain-Gradient Granular Solids with Damage-Induced Anisotropy Evolution

Valerii Maksimov, Emilio Barchiesi, Anil Misra, Luca Placidi, Dmitry Timofeev

Producción científica: Contribución a una revistaArtículo (Contribución a Revista)revisión exhaustiva

9 Citas (Scopus)

Resumen

We analyze in two dimensions the mechanical behavior of materials with granular microstructures modeled by means of a variationally formulated strain-gradient continuum approach based on micromechanics and show that it can capture microstructural-size-dependent effects. Tension-compression asymmetry of grain-assembly interactions, as well as microscale damage, is taken into account and the continuum scale is linked to the grain-scale mechanisms. Numerical results are provided for finite deformations and substantiate previous research. As expected, results show interesting size-dependent effects that are typical of strain-gradient modeling.
Idioma originalInglés estadounidense
Número de artículo04021098
PublicaciónJournal of Engineering Mechanics
Volumen147
N.º11
DOI
EstadoPublicada - 1 nov. 2021

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  • Artículo

Categoría OCDE

  • Ingeniería mecánica

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