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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.2016018563
pages 19-34

A FAST THREE-LEVEL UPSCALING FOR SHORT FIBER-REINFORCED COMPOSITES

Michal Krowczynski
Institute for Computational Civil Engineering, Cracow University of Technology, Krakow, Poland
Witold Cecot
Institute for Computational Civil Engineering, Cracow University of Technology, Krakow, Poland

Краткое описание

Effective mechanical properties of a random heterogeneous material may be estimated by numerical modeling of deformations of a number of representative volume elements (RVEs). To speed up such an analysis, the multiscale finite element method (MsFEM Hou and Wu, 1997) that may be interpreted as a special local multigrid homogenization (Cecot and Oleksy, 2015) was used at the RVE level. The efficiency and reliability of the proposed approach was confirmed by analysis of a plane-state elasticity problem with randomly distributed short aluminum fibers in a gypsum matrix. Also, the higher order FEM proved to be an adequate approximation method for this three-level numerical homogenization.


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