MATEC Web of Conferences
Volume 1, 2012CSNDD 2012 – International Conference on Structural Nonlinear Dynamics and Diagnosis
|Number of page(s)||4|
|Published online||09 July 2012|
Crack’s bifurcation in an anisotropic material
F.S.A.C, Laboratoire de mécanique, Km 8 route d’El Jadida BP 5366 Mâarif, Casablanca, Maroc
The orthotropic of a solid is characterized by the material directions and corresponds to six main directions of the crack’ distribution 21, 31, 32, 12, 13 and 23 (the first number corresponds to the normal of the crack’s plan, the second in the crack’s front). In this work, it was suggested studying the crack’s bifurcation solicited in the mixed mode of an anisotropic fracture’s specimen by varying several geometrical parameters. The study showed that the critical angle of bifurcation depends on the crack’s length, the specimen’s height, the angle of load as well as on the chosen configuration.
Key words: fracture / crack / bifurcation / mixed mode / stress intensity factor / orthotropic / criterion of Sih
© Owned by the authors, published by EDP Sciences, 2012
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