Multiscale failure modeling of concrete: Micromechanical modeling, discontinuous homogenization and parallel computations

Nguyen, Vinh Phu ORCID: https://orcid.org/0000-0003-1212-8311, Stroeven, Martijn and Sluys, Lambertus Johannes 2012. Multiscale failure modeling of concrete: Micromechanical modeling, discontinuous homogenization and parallel computations. Computer Methods in Applied Mechanics and Engineering 201-20 , pp. 139-156. 10.1016/j.cma.2011.09.014

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Abstract

A multiscale failure model for concrete materials is proposed. At the microscale, the mechanical behavior of hardening cement paste is studied by a numerical framework that combines a cement hydration code and a finite element program. Macroscopic failure of the material is represented by cohesive cracks of which behavior is determined during the simulation based on nested finite element computations realized on microscopic samples. To accelerate the performance of heavy multiscale computations, a parallel implementation is presented. Numerical examples are given to demonstrate the capabilities of the proposed framework.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords:	Representative volume element (RVE); Concrete; Softening; Multiscale; Homogenization; Crack
Publisher:	Elsevier
ISSN:	0045-7825
Last Modified:	24 Oct 2022 10:46
URI:	https://orca.cardiff.ac.uk/id/eprint/45801

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