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Featured researches published by F.J. Gómez.


Engineering Fracture Mechanics | 2003

Generalizations and specializations of cohesive crack models

J. Planas; Manuel Elices; Gustavo V. Guinea; F.J. Gómez; D.A. Cendón; I Arbilla

Abstract This paper presents an overview of the cohesive crack model, one of the basic models used so far to describe the fracture of concrete and other quasibrittle materials. Recent developments and needs for further research are discussed. The displayed evidence and the discussion are based on considering the cohesive crack model as a constitutive assumption rather than an ad hoc model for the behaviour ahead of a preexisting crack. Topics addressed are fracture of unnotched specimens, mixed mode fracture, diffuse cracking, anomalous stress–strain curves, size effect and asymptotic analysis, and strength of structural elements with notches.


Engineering Fracture Mechanics | 2003

Fracture of components with V-shaped notches

F.J. Gómez; Manuel Elices

An experimental and numerical study was performed to ascertain the influence of V-notches on the strength of different brittle materials. Critical loads were computed using the cohesive process zone model that allows extension of classical methods, based on linear elastic fracture mechanics, to rounded V-notches and contained plasticity. A large experimental programme, with more than one hundred tests, was performed with PMMA samples to support the numerical predictions. All the experimental results are reported. In addition, experimental results of notched steel samples, performed by Strandberg, [Engng. Fract. Mech. 69 (2002) 403], and notched samples made with expanded PVC foams, performed by Grenestedt, Hallstrom and Kuttenkeuler [Engng. Fract. Mech. 54 (1996) 445], are in very good agreement with the numerical computations, adding further support to the cohesive process zone model.


International Journal of Fracture | 2007

Local strain energy to assess the static failure of U-notches in plates under mixed mode loading

F.J. Gómez; M. Elices; F. Berto; P. Lazzarin


International Journal of Fatigue | 2008

Some advantages derived from the use of the strain energy density over a control volume in fatigue strength assessments of welded joints

P. Lazzarin; F. Berto; F.J. Gómez; Michele Zappalorto


International Journal of Fracture | 2007

Fracture assessment of U-notches under mixed mode loading: two procedures based on the ‘equivalent local mode I’ concept

F. Berto; P. Lazzarin; F.J. Gómez; M. Elices


International Journal of Fracture | 2009

Fracture of V-notched specimens under mixed mode (I + II) loading in brittle materials

F.J. Gómez; M. Elices; F. Berto; P. Lazzarin


Engineering Fracture Mechanics | 2009

Fracture of U-notched specimens under mixed mode: Experimental results and numerical predictions

F.J. Gómez; M. Elices; F. Berto; P. Lazzarin


International Journal of Fracture | 2006

Failure criteria for linear elastic materials with U-notches

F.J. Gómez; Gustavo V. Guinea; M. Elices


Engineering Fracture Mechanics | 2005

The cohesive crack concept: application to PMMA at −60 °C

F.J. Gómez; M. Elices; J. Planas


Engineering Fracture Mechanics | 2008

A generalised notch stress intensity factor for U-notched components loaded under mixed mode

F.J. Gómez; M. Elices; F. Berto; P. Lazzarin

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M. Elices

Technical University of Madrid

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Gustavo V. Guinea

Technical University of Madrid

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J. Planas

Technical University of Madrid

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Manuel Elices

Technical University of Madrid

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D.A. Cendón

Technical University of Madrid

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I Arbilla

Technical University of Madrid

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