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Modeling and simulation of crack propagation in mixed-modes interlaminar fracture specimens |
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| Authors: | O. Allix A. Corigliano |
| Affiliation: | (1) I.U.T. G.M.P Evry, Laboratoire de Mécanique et Technologie, E.N.S. de Cachan/ C.N.R.S./ Université P. et M. Curie 61, avenue du President Wilson, 94235 Cachan, France;(2) Department of Structural Engineering, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy |
| Abstract: | A study of mixed-mode crack propagation in bending-based interlaminar fracture specimens is here presented. A numerical scheme to simulate full crack propagation is proposed which makes use of interface laws relating interlaminar stresses to displacement discontinuities along the plane of crack propagation. The relation between interface laws and mixed-mode failure loci in terms of critical energies is discussed and clarified. Numerical simulations are presented and compared with analytical and experimental results. |
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