Stochastic modeling of chaotic masonry via mesostructural characterization

Details Stochastic modeling of chaotic masonry via mesostructural characterization Stochastic modeling of chaotic masonry via mesostructural characterization

2008-11-06

arxiv.org/abs/0811.0972v1

International Journal for Multiscale Computational Engineering 7(2): 171-185, 2009

Physics

Condensed Matter

Materials Science

18 pages, 8 figures

Scientific paper

10.1615/IntJMultCompEng.v7.i2.70

The purpose of this study is to explore three numerical approaches to the elastic homogenization of disordered masonry structures with moderate meso/macro-lengthscale ratio. The methods investigated include a representative of perturbation methods, the Karhunen-Lo\`{e}ve expansion technique coupled with Monte-Carlo simulations and a solver based on the Hashin-Shtrikman variational principles. In all cases, parameters of the underlying random field of material properties are directly derived from image analysis of a real-world structure. Added value as well as limitations of individual schemes are illustrated by a case study of an irregular masonry panel.

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