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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
International Journal for Multiscale Computational Engineering
Импакт фактор: 1.016 5-летний Импакт фактор: 1.194 SJR: 0.554 SNIP: 0.68 CiteScore™: 1.18

ISSN Печать: 1543-1649
ISSN Онлайн: 1940-4352

Выпуски:
Том 17, 2019 Том 16, 2018 Том 15, 2017 Том 14, 2016 Том 13, 2015 Том 12, 2014 Том 11, 2013 Том 10, 2012 Том 9, 2011 Том 8, 2010 Том 7, 2009 Том 6, 2008 Том 5, 2007 Том 4, 2006 Том 3, 2005 Том 2, 2004 Том 1, 2003

International Journal for Multiscale Computational Engineering

DOI: 10.1615/IntJMultCompEng.v4.i4.40
pages 461-474

Three-Dimensional Finite Element Modeling for Concrete Materials Using Digital Image and Embedded Discontinuous Element

Gakuji Nagai
Gifu University
Takahiro Yamada
Graduate School of Environment and Information Sciences, Yokohama National University, 79-7 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan

Краткое описание

A three-dimensional finite element modeling is proposed to simulate mechanical behaviors of concrete materials subjected to macroscopic loadings. Concrete materials are modeled as two-phase composites consisting of coarse aggregates, mortar, and their interfaces in order to consider tensile failures. Digital image processing techniques are employed for finite element modeling, and a mixed formulation based on the assumed enhanced strain method is employed to model the interfacial discontinuities in a voxel finite element. Numerical comparisons between a real concrete model and two imitative models are made.


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