Continuum approach to computational multi-scale modeling of fracture

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Title:	Continuum approach to computational multi-scale modeling of fracture
Author:	Oliver Olivella, Xavier; Caicedo Silva, Manuel Alejandro; Roubin, Emmanuel; Huespe, Alfredo Edmundo
Other authors:	Universitat Politècnica de Catalunya. Departament de Resistència de Materials i Estructures a l'Enginyeria; Universitat Politècnica de Catalunya. (MC)2 - Grup de Mecànica Computacional en Medis Continus
Abstract:	This paper presents a FE2 multi-scale framework for numerical modeling of the structural failure of heterogeneous quasi-brittle materials. The model is assessed by application to cementitious materials. Using the Continuum Strong Discontinuity Approach (CSD), innovative numerical tools, such as strain injection and crack path field techniques, provide a robust, and mesh-size, mesh-bias and RVE-size objective, procedure to model crack onset and propagation at the macro-scale.
Subject(s):	-Àrees temàtiques de la UPC::Matemàtiques i estadística::Anàlisi numèrica::Mètodes en elements finits -Àrees temàtiques de la UPC::Enginyeria dels materials -Fracture mechanics--Mathematical models -Fracture -computational multi-scale modeling -strain injection -crack path field -Continuum Strong Discontinuity Approach -COMPDESMAT Project -COMP-DES-MAT Project -Mecànica de fractura -- Models matemàtics
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Document type:	Article - Submitted version Article
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