Journal Article10.1177/002199839803201401
Progressive Delamination Using Interface Elements
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TL;DR: In this paper, a method for modelling progressive mixed-mode delamination in fiber composites is described, which is incorporated within the non-linear finite element method, and is based on the use of interface elements in conjunction with softening relationships between the stresses and the relative displacements.
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Abstract: The paper describes a method for modelling progressive mixed-mode delamination in fibre composites. The procedure, which is incorporated within the non-linear finite element method, is based on the use of interface elements in conjunction with softening relationships between the stresses and the relative displacements. Fracture mechanics is indirectly introduced by relating the areas under the stress/displacement curves to the critical fracture energies.
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Citations
An engineering solution for mesh size effects in the simulation of delamination using cohesive zone models
TL;DR: In this paper, a methodology to determine the constitutive parameters for the simulation of progressive delamination is proposed, which accounts for the size of a cohesive finite element and the length of the cohesive zone to ensure the correct dissipation of energy.
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Numerical simulation of mixed-mode progressive delamination in composite materials
TL;DR: In this paper, a new decohesion element with the capability of dealing with crack propagation under mixed-mode loading is proposed and demonstrated, which is used at the interface between solid finite elements to model the initiation and non-self-similar growth of delaminations in composite materials.
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Finite element interface models for the delamination analysis of laminated composites: mechanical and computational issues
Giulio Alfano,M. A. Crisfield +1 more
TL;DR: In this paper, a finite element analysis of delamination in laminated composites is addressed using interface elements and an interface damage law, where the principles of linear elastic fracture mechanics are indirectly used by equating the area underneath the traction/relative displacement curve to the critical energy release rate of the mode under examination.
1.2K
Mixed-Mode Decohesion Finite Elements for the Simulation of Delamination in Composite Materials
Pedro P. Camanho,Carlos G. Davila +1 more
- 01 Jun 2002
TL;DR: In this article, a decohesion element with mixed-mode capability is proposed and demonstrated at the interface between solid finite elements to model the initiation and non-self-similar growth of delaminations.
A damage model for the simulation of delamination in advanced composites under variable-mode loading
TL;DR: In this paper, a thermodynamically consistent damage model is proposed for the simulation of progressive delamination in composite materials under variable-mode ratio, and a constitutive equation is developed to model the initiation and propagation of delamination.
952
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