Exploració per tema "Estructures de murs -- Models matemàtics"
Ara es mostren els items 1-18 de 18
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A macro-modelling finite element technique for the realistic simulation of cracking in masonry structures
(CRC Press, 2016)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents an improved computational model for the analysis of masonry structures based on continuum mechanics finite element approaches. The proposed numerical technique uses a cracktracking algorithm to model ... -
Application of finite discrete element method in dynamic analysis of masonry structures
(CIMNE, 2015)
Comunicació de congrés
Accés obertThis paper presents the application of the numerical models for dynamic analysis of dry stone masonry structures strengthened with clamps and bolts and confined masonry structures based on finite discrete element method ... -
Cálculo del comportamiento de la mampostería mediante elementos finitos
(International Centre for Numerical Methods in Engineering (CIMNE), 1998)
Llibre
Accés obertLos métodos de cálculo avanzado (modelos constitutivos de la mecánica del medio contínuo) deben ser el pilar sobre el que desarrollar elementos más objetivos de análisis estructural de la mampostería. Los elementos finitos ... -
Challenges, tools and applications of tracking algorithms in the numerical modelling of cracks in concrete and masonry structures
(2019-09)
Article
Accés obertThe importance of crack propagation in the structural behaviour of concrete and masonry structures has led to the development of a wide range of finite element methods for crack simulation. A common standpoint in many of ... -
Continuum model for inelastic behaviour of masonry
(2011)
Text en actes de congrés
Accés obertA continuum model capable of modelling the inelastic behaviour of masonry is presented. The model includes the description of viscoelasticity, orthotropic damage and tensile crack localization. The theoretical framework ... -
Cracking of quasi-brittle structures under monotonic and cyclic loadings: a d+/d- damage model with stiffness recovery in shear
(2018-03)
Article
Accés obertIn the present paper, a new d+/d- damage model apt for quasi-brittle materials is described and its validation is carried out considering unreinforced concrete, reinforced concrete and masonry elements.Two independent ... -
Finite element micro-modelling for the characterization of inclined head joints archaeological masonry: the case of Villa Diomede in Pompeii
(National Technical University of Athens, 2017)
Text en actes de congrés
Accés obertVilla Diomede is a great roman building located on the western corner of the modern archaeological site of Pompeii, built during III century BC and discovered between 1771 and 1774 during archaeological excavations. The ... -
Investigation on the seismic response of a large monumental complex
(International Centre for Numerical Methods in Engineering (CIMNE), 2021)
Text en actes de congrés
Accés obertHistorical masonry structures are characterised by a high level of seismic vulnerability, as demonstrated by recent and past seismic events. Monumental buildings, in particular, represent a very challenging topic. Their ... -
Kinematic approach for seismic vulnerability assessment of masonry churches
(International Centre for Numerical Methods in Engineering (CIMNE), 2021)
Text en actes de congrés
Accés obertThe application of reliable predictive methods for the seismic vulnerability assessment of historical buildings represents a challenging issue in the process of risk mitigation at regional/national scale, in order to ... -
Micro-mechanical modeling of masonry: parametric study
(CRC Press, 2016)
Text en actes de congrés
Accés restringit per política de l'editorialMasonry structures, usually being composed of a repeating geometric pattern, lend themselves well to analysis using periodic unit cells. Based on stress and strain equilibriums and rational assumptions concerning the ... -
Modelling and simulation of the effect of blast loading on structures using an adaptive blending of discrete and finite element methods
(2011)
Text en actes de congrés
Accés obertWe present a new computational model for predicting the effect of blast loading on structures. The model is based in the adaptive coupling of the finite element method (FEM) and the discrete element method (DEM) for the ... -
Multi directional pushover analysis of irregular masonry buildings without box behavior
(Elsevier, 2019-12)
Article
Accés obertThis paper proposes the use of multiple nonlinear static analyses for the seismic assessment of irregular masonry buildings without box behavior. The methodology consists in executing a series of sequential pushover analyses ... -
Multiscale computational first order homogenization of thick shells for the analysis of out-of-plane loaded masonry walls
(2017-03)
Article
Accés obertThis work presents a multiscale method based on computational homogenization for the analysis of general heterogeneous thick shell structures, with special focus on periodic brick-masonry walls. The proposed method is ... -
Non linear reticular models for unreinforced and reinforced masonry analyses
(International Masonry Society, 2010)
Text en actes de congrés
Accés restringit per política de l'editorialAssessing the collapse load for complex masonry structures, such as historic monuments, is a very hard task and looking for a reliable and suitable procedure considering all the available numerical techniques is still ... -
Nonlinear micro-mechanical analysis of masonry periodic unit cells
(2016-02)
Article
Accés obertA model for the analysis of masonry periodic unit cells of several wall and pillar geometrical typologies is proposed. It is based on a micro-mechanical analysis of the masonry cell, which has been divided into cuboids, ... -
Nonlinear numerical modelling of complex masonry heritage structures considering history-related phenomena in staged construction analysis and material uncertainty in seismic assessment
(2020-10)
Article
Accés obertThis paper presents the systematic use of numerical analysis as a tool for addressing some of the most common challenges encountered in the structural analysis of complex historical masonry structures, i.e. the description ... -
Numerical micro-modeling simulation of masonry in compression
(Universidade do Minho, 2014)
Text en actes de congrés
Accés restringit per política de l'editorialMicro-modeling techniques for the simulation of masonry are a valuable tool, when combined with nonlinear constitutive laws, for the investigation of the behavior of structural masonry. Through the simulation of the behavior ... -
Tracking of localized cracks in the finite element analysis of masonry walls
(Springer, Cham, 2019)
Text en actes de congrés
Accés restringit per política de l'editorialMacro-models are a common choice for the numerical analysis of large-scale masonry structures. Despite their efficiency in terms of pre-processing and computational cost, these strategies often result in a poor representation ...