Application of cohesive-zone models to delamination behaviour of composite material
In: ISSN: 1708-5284, 2012
academicJournal
Zugriff:
International audience ; The parameters of cohesive elements have to be chosen correctly in the simulation of composite delamination by finite element method: such as interface strength, interface stiffness and shape of cohesive law. The purpose of this work is to investigate their influence on the accuracy of the results obtained. A three-dimensional cohesive-zone model has been established using Ls-dyna to simulate Double-Cantilever-Beam mode I (DCB) and Edge-Notched-Flexure mode II (ENF) tests. The influence of these parameters of cohesive element on the maximum load and the slope of load-displacement curve have been discussed by comparing experimental and numerical results. Four traction-separation laws: bilinear, linear-parabolic, exponential and trapezoidal were considered associated with a large variation of the interface strength and of the initial interface stiffness.
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Application of cohesive-zone models to delamination behaviour of composite material
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| Autor/in / Beteiligte Person: | Peng, L. ; Gong, Xiaojing ; Wong, K. ; Guillaumat, L. ; Institut Clément Ader (ICA) ; Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse) ; Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3) ; Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-IMT École nationale supérieure des Mines d'Albi-Carmaux (IMT Mines Albi) ; Institut Mines-Télécom Paris (IMT)-Institut Mines-Télécom Paris (IMT) |
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| Zeitschrift: | ISSN: 1708-5284, 2012 |
| Veröffentlichung: | HAL CCSD ; Emerald Publishing Limited, 2012 |
| Medientyp: | academicJournal |
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