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An adaptive multi-scale computational modelling of Clare College Bridge

Mihai, Loredana Angela and Ainsworth, Mark 2009. An adaptive multi-scale computational modelling of Clare College Bridge. Computer Methods in Applied Mechanics and Engineering 198 (21-26) , pp. 1839-1847. 10.1016/j.cma.2008.12.030

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Abstract

Masonry structures may be modelled as an assembly of linearly elastic bodies (individual bricks or stone-blocks) in unilateral frictional contact. Such models generally constitute a formidable computational challenge owing to the need to resolve interactions between individual bodies, such as detection of crack and openings and the resolution of non-linear equations governing the contact. Even for medium size structures, the large number of blocks from which they are assembled renders a full direct simulation of such structures practically impossible. In this paper, an adaptive multi-scale technique for the modelling of large-scale dynamic structures is implemented and applied to the computer simulation of Clare College Bridge, in Cambridge, UK. The adaptive multi-scale approach enables us to carry out simulations at a complexity normally associated with the cost of modelling the entire structure by a simple continuum model whilst incorporating small scale effects, such as openings of gaps and slippage between individual masonry units, using a systematic and locally optimal criterion.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Mathematics
Subjects: Q Science > QA Mathematics
Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Uncontrolled Keywords: Dynamic unilateral contact; Coulomb friction; Linear elasticity; Finite elements; Mathematical programming; Masonry structures
Publisher: Elsevier
ISSN: 0045-7825
Last Modified: 12 Nov 2017 16:17
URI: http://orca.cf.ac.uk/id/eprint/10997

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