Modelling damage evolution in composite laminates subjected to low velocity impact

Shi, Yu; Swait, T.J.; Soutis, C.

doi:10.1016/j.compstruct.2012.03.039

Cited by 522 publications

(296 citation statements)

References 32 publications

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“…Material models for lowvelocity impact damage prediction based on these two distinct approaches, Continuum Damage Mechanics (CDM) and Cohesive Zone Modelling (CZM), have been studied in the literature in recent years e.g. [17][18][19][20]. Lopes et al [21] used a three-dimensional progressive failure model to simulate intralaminar damage.…”

mentioning

confidence: 99%

“…The delamination prediction was modelled using CZM, and a good correlation with experimental results was obtained. Likewise, Shi et al [19] have used a stress-based damage model, for fibre failure and matrix cracks as well as taking nonlinear shear behaviour into account, and using cohesive elements at the interface of plies to model delamination, to predict damage in a cross-ply laminate under low-velocity impact. Enhancements to these models have been made recently by adding strips of interface elements at the intralaminar level for discretely simulating the matrix crack, and by this method the accuracy of predicted energy absorption and the splitting damage at the bottom ply was significantly improved [24].…”

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confidence: 99%

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Interaction of inter- and intralaminar damage in scaled quasi-static indentation tests: Part 2 – Numerical simulation

Sun

Wisnom

Hallett

2016

Composite Structures

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General rightsThis document is made available in accordance with publisher policies. Please cite only the published version using the reference above. Full terms of use are available: http://www.bristol.ac.uk/pure/about/ebr-terms shown that the models with the capability to simulate multiple matrix cracks best predict the key aspects of barely visible damage of composite laminate during quasi-static loading.

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confidence: 99%

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Interaction of inter- and intralaminar damage in scaled quasi-static indentation tests: Part 2 – Numerical simulation

Sun

Wisnom

Hallett

2016

Composite Structures

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“…Adhesive layers between the fibre layers were modelled using the eight-node threedimensional cohesive elements COHD8. Cohesive elements are generally capable of simulating damage and delamination in composites (Naghipour et al 2009;Shi et al 2012;Al-Zubaidy et al 2013). A triangular traction-separation cohesive law with linear softening is used to characterize the material behaviour of the adhesive.The CFRP patches are meshed with an 8-node quadrilateral in-plane general-purpose continuum shell, reduced integration with hourglass control, finite membrane strains (SC8R).…”

Section: Element Types and Modelmentioning

confidence: 99%

Effect of layer variations on CFRP strengthened steel circular hollow members under bending: numerical studies

Kabir¹,

Fawzia²,

Chan³

et al. 2015

Proceedings of the Second International Conference on Performance-Based and Life-Cycle Structural Engineering (PLSE 2015)

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The number of carbon fibre reinforced polymer (CFRP) layer and their orientation generallyaffect the strength and stiffness of the steel circular hollow section (CHS) members primarily when they are subjected to bending. In this study, numerical investigation is carried out to find the effect of number and orientation of CFRP composites layer on strength and stiffness of CHS members under bending. In numerical investigation, cohesive element is adopted to model interface element (adhesive) and an 8-node quadrilateral in-plane general-purpose continuum shell is used to model CFRP elements. The validity of the FE models is ascertained by comparing the ultimate load, stiffness and failure mode from experimental results. The results of FE analyses show that the strength and stiffness increase with the increase of number of CFRP layer. The three layer configured CFRP strengthened steel CHS beams are found cost effective with respect to strength increment than four layer configured CFRP strengthened steel CHS beams. KEYWORDSSteel CHS beam, CFRP, wrapping layer variation, numerical simulation. NOTATIONS

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“…In some low-energy impact cases, damage is hardly visible on the surface, but more severe damage may still exist underneath. Multiple delaminations could develop through the thickness, and the delamination area is significantly increased in comparison to the surface dent [2].…”

Section: Introductionmentioning

confidence: 99%

Detection of Impact Damage in Carbon Fiber Composites Using an Electromagnetic Sensor

Haigh

Saleh

et al. 2017

Research in Nondestructive Evaluation

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ReuseUnless indicated otherwise, fulltext items are protected by copyright with all rights reserved. The copyright exception in section 29 of the Copyright, Designs and Patents Act 1988 allows the making of a single copy solely for the purpose of non-commercial research or private study within the limits of fair dealing. The publisher or other rights-holder may allow further reproduction and re-use of this version -refer to the White Rose Research Online record for this item. Where records identify the publisher as the copyright holder, users can verify any specific terms of use on the publisher's website. TakedownIf you consider content in White Rose Research Online to be in breach of UK law, please notify us by emailing eprints@whiterose.ac.uk including the URL of the record and the reason for the withdrawal request. DETECTION OF IMPACT DAMAGE IN CARBON FIBRE COMPOSITES USING AN ELECTROMAGNETIC SENSOR

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Modelling damage evolution in composite laminates subjected to low velocity impact

Cited by 522 publications

References 32 publications

Interaction of inter- and intralaminar damage in scaled quasi-static indentation tests: Part 2 – Numerical simulation

Interaction of inter- and intralaminar damage in scaled quasi-static indentation tests: Part 2 – Numerical simulation

Effect of layer variations on CFRP strengthened steel circular hollow members under bending: numerical studies

Detection of Impact Damage in Carbon Fiber Composites Using an Electromagnetic Sensor

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