An embedded cohesive crack model for finite element analysis of quasi-brittle materials

Gálvez Ruiz, Jaime and Planas Rosselló, Jaime and Sancho Aznal, José María and Reyes Pozo, Encarnación and Cendón Franco, David Ángel and Casati Calzada, María Jesús (2013). An embedded cohesive crack model for finite element analysis of quasi-brittle materials. "Engineering fracture mechanics", v. 109 ; pp. 369-386. ISSN 0013-7944. https://doi.org/10.1016/j.engfracmech.2012.08.021.

Description

Title: An embedded cohesive crack model for finite element analysis of quasi-brittle materials
Author/s:
  • Gálvez Ruiz, Jaime
  • Planas Rosselló, Jaime
  • Sancho Aznal, José María
  • Reyes Pozo, Encarnación
  • Cendón Franco, David Ángel
  • Casati Calzada, María Jesús
Item Type: Article
Título de Revista/Publicación: Engineering fracture mechanics
Date: September 2013
ISSN: 0013-7944
Volume: 109
Subjects:
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Ingeniería Civil: Construcción
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

This paper presents a numerical implementation of the cohesive crack model for the anal-ysis of quasibrittle materials based on the strong discontinuity approach in the framework of the finite element method. 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 for performing a static condensation at the element level. The need for a tracking algorithm is avoided by using a consistent pro-cedure for the selection of the separated nodes. Such a model is then implemented into a commercial program by means of a user subroutine, consequently being contrasted with the experimental results. The model takes into account the anisotropy of the material. Numerical simulations of well-known experiments are presented to show the ability of the proposed model to simulate the fracture of quasibrittle materials such as mortar, concrete and masonry.

More information

Item ID: 26298
DC Identifier: http://oa.upm.es/26298/
OAI Identifier: oai:oa.upm.es:26298
DOI: 10.1016/j.engfracmech.2012.08.021
Official URL: http://www.sciencedirect.com/science/article/pii/S0013794412003517
Deposited by: Memoria Investigacion
Deposited on: 23 May 2014 10:39
Last Modified: 31 May 2018 12:59
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