An algorithm to compute damage from load in composites

Dunant, Cyrille F., Bordas, Stephane Pierre Alain ORCID: https://orcid.org/0000-0001-8634-7002, Kerfriden, Pierre ORCID: https://orcid.org/0000-0002-7749-3996, Scrivener, Karen L. and Rabczuk, Timon 2011. An algorithm to compute damage from load in composites. Frontiers of Architecture and Civil Engineering in China 5 (2) , pp. 180-193. 10.1007/s11709-011-0107-9

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Abstract

We present a new method to model fracture of concrete based on energy minimisation. The concrete is considered on the mesoscale as composite consisting of cement paste, aggregates and micro pores. In this first step, the alkali-silica reaction is taken into account through damage mechanics though the process is more complex involving thermo-hygro-chemo-mechanical reaction. We use a non-local damage model that ensures the well-posedness of the boundary value problem (BVP). In contrast to existing methods, the interactions between degrees of freedom evolve with the damage evolutions. Numerical results are compared to analytical and experimental results and show good agreement.

Item Type:	Article
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords:	Concrete ; damage ; prediction ; modelling ; energy minimisation ; ASR
Publisher:	Springer
ISSN:	1673-7407
Last Modified:	11 Mar 2023 02:11
URI:	https://orca.cardiff.ac.uk/id/eprint/15548

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