An Enriched 2D Multi-Scale Model Based on a Cosserat Continuum for the Analysis of Regular Masonry

Abstract:

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A multi-scale nonlinear homogenization procedure is presented for the analysis of the in-plane structural response of masonry panels characterized by a regular texture. A Cosserat continuum model is adopted at the macroscopic level, while a classical Cauchy model is employed at the microscopic scale; proper bridging conditions are stated to connect the two scales. The constitutive behaviour of bricks and mortar at the microscopic level is based on a scalar damage model, non symmetric in tension and compression. As for the regularization of the strain softening response, the standard fracture energy method is used at micro-level, while at the macro-level the inner capabilities of Cosserat continuum are exploited. A numerical example is presented and a comparison with an experimental test is performed.

Info:

Periodical:

Advanced Materials Research (Volumes 89-91)

Edited by:

T. Chandra, N. Wanderka, W. Reimers , M. Ionescu

Pages:

147-152

DOI:

10.4028/www.scientific.net/AMR.89-91.147

Citation:

M. L. De Bellis et al., "An Enriched 2D Multi-Scale Model Based on a Cosserat Continuum for the Analysis of Regular Masonry", Advanced Materials Research, Vols. 89-91, pp. 147-152, 2010

Online since:

January 2010

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Price:

$35.00

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