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REVIEW ARTICLES

Application of the finite element method to prediction of onset of delamination growth

[+] Author and Article Information
Antonio Miravete

Group of Composite Materials, Department of Mechanical Engineering, University of Zaragoza, Maria de Luna, 3, 50015 Zaragoza, Spain; miravete@posta.unizar.es

Miguel A Jiménez

Department of Mechanics and New Materials, Institute of Technology of Aragon, Maria de Luna, 8, 50015 Zaragoza, Spain; majimenez@ita.es

Appl. Mech. Rev 55(2), 89-106 (Apr 03, 2002) (18 pages) doi:10.1115/1.1450763 History: Online April 03, 2002
Copyright © 2002 by ASME
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References

Figures

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Damage phenomena associated to delamination tip
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Possible modes of delamination growth
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General load and displacement on a cracked body of uniform thickness
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Singular stress field at crack tip
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Curved delamination front
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Two-dimensional finite element model at crack tip
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27-nodes quarter point singular element
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27-nodes quarter point singular element at crack tip
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20-nodes second order element at crack tip
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Nodes along delamination front
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Sketch of MMB interlaminar fracture test
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Mode separation in the MMB test
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Finite element model of sample and test fixture
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Detail of finite element model of the sample
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Detail of models for different mesh sizes with regular 20-node elements
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Detail of models for different mesh sizes with singular 27-node elements
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Detail of rotation at crack tip
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Detail of rotation at crack tip for a singular element
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G distribution along delamination front
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GII values at mid-point of delamination front for different mesh sizes at crack tip
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GII values considering crack tip rotation at mid-point of delamination front for different mesh sizes at crack tip
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Rotation at mid-point of delamination front for different mesh sizes at crack tip
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Sketch of submodels used at crack tip with regular C3D20 and C3D20R elements
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GI at mid-point of delamination front including results of submodeling
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GI at mid-point of delamination front, considering crack tip rotation, including the results of submodeling
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Rotation at mid-point of delamination front including the results of submodeling

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