Multi-particle modelling for the prediction of delamination in multi-layered materials

Caron, Jean; Diaz, Alberto Díaz; Carreira, Rui Pedro; Chabot, Armelle; Ehrlacher, Alain

doi:10.1016/j.compscitech.2004.12.022

Cited by 39 publications

(22 citation statements)

References 28 publications

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“…As mention above the present model provides useful finite stress on the edge which can be used directly in a limit stress criterion as shown in [37]. The present finite interfacial stresses are in this sense equivalent to the averages of the 3D FE's stresses over a characteristic distance from the edge as used in several delamination onset investigations [39,40].…”

Section: Accepted Manuscriptmentioning

confidence: 99%

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Finite element analysis of free-edge stresses in composite laminates under mechanical an thermal loading

Nguyen

Caron²

2009

Composites Science and Technology

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To cite this version:Viet-Tung Nguyen, Jean-François Caron. Finite element analysis of free-edge stresses in composite laminates under mechanical an thermal loading. Composites Science and Technology, Elsevier, 2009, 69 (1), pp.40. <10.1016/j.compscitech.2007.10.055>. F i n i t e e l e m e n t a n a l y s i s o f f r e e -e d g e s t r e s s e s i n c o m p o s i t e l a m i n a t e s u n d e r m e -c h a n i c a l a n t h e r m a l l o a d i n g V i e t -T u n g N g u y e n , J e a n -F r a n c o i s C a r o n P I I : S 0 2 6 Accepted Manuscript ACCEPTED MANUSCRIPTFinite element analysis of free-edge stresses in

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Section: Accepted Manuscriptmentioning

confidence: 99%

“…The generalised strains are deduced from the generalised displacements as follows (see [19,37] for more details):…”

Section: The Strain-displacement Equationsmentioning

confidence: 99%

Finite element analysis of free-edge stresses in composite laminates under mechanical an thermal loading

Nguyen

Caron²

2009

Composites Science and Technology

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“…In the previous developments, the interfaces are considered as perfect and interface displacements are only due to the elastic displacements in the neighboring layers. The model made possible to solve free edge elastic problems with singularities [23]. Now, if the role of physical interfaces has to be specifically taken into account, these elastic interface displacements become (see Eq.…”

Section: Governing Equationsmentioning

confidence: 99%

“…In the initial formulation, interfaces are considered as perfect (outof-plane stresses continuity, infinitely rigid) and the applications used an estimation of interface stresses for criterion proposals [23,1]. But such an approach reaches its own limit very quickly, since the interfaces can be more complex.…”

Section: A Layerwise Model With Imperfect Interfacesmentioning

confidence: 99%

“…A more recent development of this method can be found in [6,22] where simplifications are made providing a more operational formulation. This model was being already widely validated [23]. A quadrilateral C 0 finite element model (MPFEAP for Multi Particle Finite Element Analysis Modeling) deriving from this model was also developed [24].…”

Section: D Plate Model For Composite Materialsmentioning

confidence: 99%

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A layerwise finite element for multilayers with imperfect interfaces

Duong¹,

Diaz²,

Chataigner³

et al. 2011

Composite Structures

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This article is aimed at proposing a new development of a layer-wise 2D finite-element method for multilayers considering the laminated plate as a superposition of Reissner plates coupled by interfacial stresses. Here, despite the 2D description of the laminates, the interfaces show a particular behavior, elastic or elastoplastic (Von-Mises criterion). The finite element formulation is derived and an eight-node multiparticle element is detailed. The application example of a double lap joint with an elastoplastic adhesive is then considered. The adhesive layer is modeled as an interface. The loading scheme is a load-unload-load one. Interface shear and normal stresses are compared to 3D finite element results. A good agreement between both techniques is observed, particularly for the prediction of the history of the slip between the two adherends and the plastic strains in the adhesive.

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