Effect of number of grains and boundary conditions on digital material representation deformation under plane strain

The main goal of this paper is to investigate the digital material representation of a single-phase polycrystalline unit cell. Particular attention is put on the amount of grains in the microstructure, which can be considered as the representative volume element of a sample subjected to plastic defo...

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Bibliographic Details
Published in:Archives of Civil and Mechanical Engineering 2014-05, Vol.14 (3), p.360-369
Main Authors: Szyndler, J., Madej, L.
Format: Article
Language:English
Subjects:
Boundary conditions
Buffer zones
Civil Engineering
Engineering
Grains
Mechanical Engineering
Original Research Article
Plane strain
Plastic deformation
Representations
Structural Materials
Unit cell
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Summary:The main goal of this paper is to investigate the digital material representation of a single-phase polycrystalline unit cell. Particular attention is put on the amount of grains in the microstructure, which can be considered as the representative volume element of a sample subjected to plastic deformation conditions. Additionally, the influences of the periodic and non-periodic boundary conditions on deformation behavior of the unit cells are evaluated. Possibility of the application of periodic boundary conditions on the non-periodic unit cells using a buffer zone approach is also discussed. Obtained results of equivalent strains and reaction force on case studies are presented.
ISSN:1644-9665
2083-3318
DOI:10.1016/j.acme.2013.09.001