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

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Date
2021
Author(s)
Maksimov, Valerii
Barchiesi, Emilio
Misra, Anil
Placidi, Luca
Timofeev, Dmitry
Metadata
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Abstract
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.
URI
https://hdl.handle.net/20.500.12724/14132
DOI
https://doi.org/10.1061/(ASCE)EM.1943-7889.0002010
How to cite
Maksimov, V., Barchiesi, E., Misra, A., Placidi, L. & Timofeev, D. (2021). Two-Dimensional Analysis of Size Effects in Strain-Gradient Granular Solids with Damage-Induced Anisotropy Evolution. Journal of Engineering Mechanics, 147(11). https://doi.org/10.1061/(ASCE)EM.1943-7889.0002010
Publisher
American Society of Civil Engineers (ASCE)
Area / Line of research
Productividad y empleo / Innovación: tecnologías y productos
Category / Subcategory
Ingeniería civil / Teoría
Subject
Microestructura
Anisotropía
Mecánica de daño continuo
Microstructure
Anisotropry
Continuum damage mechanics
Journal
Journal of Engineering Mechanics
Note
Indexado en Scopus
Collections
  • Investigadores externos [74]


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Contacto: repositorio@ulima.edu.pe

Todos los derechos reservados. Diseñado por Chimera Software