Simulation of dynamic delamination and mode I energy dissipation

Abstract : Delamination initiation and propagation of aeronautic composites is an active field of research. In this paper we present a methodology for critical energy release rate correlation of numerical simulation and experimental data. Experiments of mode I critical energy release rate were carried out at quasi static and pseudo dynamic loading rates. Cohesive finite elements are used to predict the propagation of delamination in a carbon fiber and epoxy resin composite material. A bilinear material model is implemented via user defined cohesive material subroutine in LS-DYNA. The influence of mode I energy release rate in mixed mode loading, due to a low velocity impact, is also investigate.
Type de document :
Communication dans un congrès
7th European LS-DYNA Conference, May 2009, Salzburg, Austria. 7th European LS-DYNA Conference pp.1-7, 2009
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https://hal.archives-ouvertes.fr/hal-01851921
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Soumis le : mardi 31 juillet 2018 - 11:55:32
Dernière modification le : jeudi 11 octobre 2018 - 13:56:20

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Ilyas_2260.pdf
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  • HAL Id : hal-01851921, version 1
  • OATAO : 2260

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Muhammad Ilyas, Christine Espinosa, Frederic Lachaud, Michel Salaün. Simulation of dynamic delamination and mode I energy dissipation. 7th European LS-DYNA Conference, May 2009, Salzburg, Austria. 7th European LS-DYNA Conference pp.1-7, 2009. 〈hal-01851921〉

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