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An embedded cohesive crack model for finite element analysis of brickwork masonry fracture
This paper presents a numerical procedure for fracture of brickwork masonry based on the strong discontinuity approach. The model is an extension of the cohesive model prepared by the authors for concrete, and takes into account the anisotropy of the material. A simple central-force model is used for the stress versus crack opening curve. The additional degrees of freedom defining the crack opening are determined at the crack level, thus avoiding the need of performing a static condensation at the element level. The need for a tracking algorithm is avoided by using a consistent procedure for the selection of the separated nodes. Such a model is then implemented into a commercial code by means of a user subroutine, consequently being contrasted with experimental results. Fracture properties of masonry are independently measured for two directions on the composed masonry, and then input in the numerical model. This numerical procedure accurately predicts the experimental mixed-mode fracture records for different orientations of the brick layers on masonry panels.
An embedded cohesive crack model for finite element analysis of brickwork masonry fracture
This paper presents a numerical procedure for fracture of brickwork masonry based on the strong discontinuity approach. The model is an extension of the cohesive model prepared by the authors for concrete, and takes into account the anisotropy of the material. A simple central-force model is used for the stress versus crack opening curve. The additional degrees of freedom defining the crack opening are determined at the crack level, thus avoiding the need of performing a static condensation at the element level. The need for a tracking algorithm is avoided by using a consistent procedure for the selection of the separated nodes. Such a model is then implemented into a commercial code by means of a user subroutine, consequently being contrasted with experimental results. Fracture properties of masonry are independently measured for two directions on the composed masonry, and then input in the numerical model. This numerical procedure accurately predicts the experimental mixed-mode fracture records for different orientations of the brick layers on masonry panels.
An embedded cohesive crack model for finite element analysis of brickwork masonry fracture
Ein eingbettetes kohäsives Rissmodell zur Finite-Elemente-Analyse von Bruchstellen in Ziegelmauern
Reyes, E. (author) / Galvez, J.C. (author) / Casati, M.J. (author) / Cendon, D.A. (author) / Sancho, J.M. (author) / Planas, J. (author)
Engineering Fracture Mechanics ; 76 ; 1930-1944
2009
15 Seiten, 65 Quellen
Article (Journal)
English
An embedded cohesive crack model for finite element analysis of brickwork masonry fracture
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An embedded cohesive crack model for finite element analysis of mixed mode fracture of concrete:
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Cohesive crack model for mixed mode fracture of brick masonry
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