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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.2015013345
pages 249-263

AN IMPROVED HOMOGENIZATION OF INELASTIC COMPOSITES

Marta Oleksy
Department of Civil Engineering, Institute for Computational Civil Engineering, Cracow University of Technology, 31-155 Krakow, Poland

Краткое описание

Inelastic modeling of composite materials is typically a very time-consuming task, even when the microscale material properties are taken into account in a simplified way, e.g., by a homogenization technique. In this paper a twofold improvement in computational homogenization that leads to more efficient and reliable analysis of elasticplastic metal matrix composites is presented. First, possibility of determination of the overall inelastic material properties on the basis of only one representative volume element (RVE) is verified. Second, an a posteriori homogenization error estimate is adopted for elasticplastic problems in order to control modeling accuracy and determine whether a single RVE analysis is in particular case a reasonable trade-off between accuracy and efficiency. Selected numerical experiments validate the proposed modifications.


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