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A localized mapped damage model for orthotropic materials

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TLDR
In this article, an implicit orthotropic model based on the Continuum Damage Mechanics isotropic models is proposed to simulate the failure loci of common orthotropic materials, such as masonry, fiber-reinforced composites and wood.
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This article is published in Engineering Fracture Mechanics.The article was published on 2014-07-01 and is currently open access. It has received 41 citations till now. The article focuses on the topics: Orthotropic material & Masonry.

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Micro-scale continuous and discrete numerical models for nonlinear analysis of masonry shear walls

TL;DR: In this article, a damage mechanics-based continuous micro-model for the analysis of masonry-walls is presented and compared with other two well-known discrete micro-models, which discretize masonry micro-structure with nonlinear interfaces for mortar-joints, and continuum elements for units.
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Multiscale computational first order homogenization of thick shells for the analysis of out-of-plane loaded masonry walls

TL;DR: In this paper, a multiscale method based on computational homogenization for the analysis of general heterogeneous thick shell structures, with special focus on periodic brick-masonry walls, is presented.
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A damaging block-based model for the analysis of the cyclic behaviour of full-scale masonry structures

TL;DR: In this paper, a damaging block-based model is proposed for the numerical analysis of the cyclic behavior of full-scale masonry structures, where solid 3D finite elements governed by a plastic damage constitutive law in tension and compression are used to model the blocks, while a cohesive-frictional contact-based formulation is developed to simulate their cyclic interaction.
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Finite element modelling of internal and multiple localized cracks

TL;DR: A novel tracking algorithm that can simulate cracking starting at any point of the mesh and propagating along one or two orientations is proposed, which allows the simulation of structural case-studies experiencing multiple cracking.
References
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Journal ArticleDOI

Mixed stabilized finite element methods in nonlinear solid mechanics: Part I: Formulation

TL;DR: In this article, the authors exploit the concept of stabilized finite element methods to formulate stable mixed stress/displacement and strain displacement finite elements for the solution of nonlinear solid mechanics problems.
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Smeared crack approach: back to the original track

TL;DR: In this paper, the authors reviewed the formulations used over the last 40 years for the solution of problems involving tensile cracking, with both the discrete and the smeared crack approaches, identifying as its main drawbacks the observed mesh-size and mesh-bias spurious dependence when applied "straightly".
Journal ArticleDOI

An orthotropic damage model for the analysis of masonry structures

TL;DR: In this article, a numerical model for nonlinear analysis of masonry structural elements based on Continuum Damage Mechanics is presented, where the material is described at the macro-level, i.e. it is modeled as a homogeneous orthotropic continuum.
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Mixed stabilized finite element methods in nonlinear solid mechanics: Part II: Strain localization

TL;DR: In this article, a standard local isotropic Rankine damage model with strain softening is used as an exemplary constitutive model for the problem of strain localization associated with materials which exhibit softening due to tensile straining.
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Frequently Asked Questions (2)
Q1. What have the authors contributed in "A localized mapped damage model for orthotropic materials" ?

This paper presents an implicit orthotropic model based on the Continuum Damage Mechanics isotropic models. 

A major advantage lies in the possibility of adjusting an isotropic criterion to the particular behaviour of the orthotropic material. Complex orthotropic damage threshold surfaces can be built by using simpler and well-known isotropic ones, hence avoiding the complex anisotropic yield functions normally adopted in Plasticity. The model can be used for the analysis of different orthotropic materials, such as wood, fibre reinforced composites and masonry. Since the computational costs is limited, it can be used in large scale computations [ 47,68,69 ].