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Applied Composite Materials

, Volume 22, Issue 4, pp 377–403 | Cite as

Modelling Strategies for Simulating Delamination and Matrix Cracking in Composite Laminates

  • Frederic Lachaud
  • Christine Espinosa
  • Laurent Michel
  • Pierre Rahme
  • Robert Piquet
Article

Abstract

The composite materials are nowadays widely used in aeronautical domain. These materials are subjected to different types of loading that can damage a part of the structure. This diminishes the resistance of the structure to failure. In this paper, matrix cracking and delamination propagation in composite laminates are simulated as a part of damage. Two different computational strategies are developed: (i) a cohesive model (CM) based on the classical continuum mechanics and (ii) a continuous damage material model (CDM) coupling failure modes and damage. Another mixed methodology (MM) is proposed using the continuous damage model for delamination initiation and the cohesive model for 3D crack propagation and mesh openings. A good agreement was obtained when compared simple characterization tests and corresponding simulations.

Keywords

Composite materials Delamination Finite element analysis Crack propagation Matrix cracking Mixed mode 

Notes

Acknowledgments

The authors are grateful of Higher Education Commission of Pakistan for partial funding. Special thanks are also extended to IMPETUS Afea France as well as to all students and technical staff of ISAE for their valuable input towards numerical and experimental aspects, respectively.

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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • Frederic Lachaud
    • 1
  • Christine Espinosa
    • 1
  • Laurent Michel
    • 1
  • Pierre Rahme
    • 2
  • Robert Piquet
    • 1
  1. 1.ISAE ICA (Institut Clément Ader)Université de ToulouseToulouse Cedex 4France
  2. 2.Mechanical Engineering Department, Faculty of EngineeringNotre Dame UniversityZouk MosbehLebanon

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