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Stochastic modeling of chaotic masonry via mesostructural characterization
journal contributionposted on 15.01.2013, 12:50 by Mariateresa LombardoMariateresa Lombardo, Jan Zeman, Michal Sejnoha, G. Falsone
The purpose of this study is to explore three numerical approaches to the elastic homogenization of disordered masonry structures with moderate meso/macrolengthscale ratio. The methods investigated include a representative of perturbation methods, the Karhunen-Lo eve 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 eld 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.
- Architecture, Building and Civil Engineering