Control of the mechanical behavior of composite materials and structures under monotonic and dynamic loads for cracks and damage is a vast and complex area of research. The modeling of the different physical phenomena and behavior characteristics of a composite material during deformation play an important role in the structural design. Our study aims to analyze numerically the energy release rate parameter G of a composite laminated plate (glass or boron / epoxy) cross-ply [+a, −a] in the presence of a
crack between two circular notches under the effect of several parameters such as fiber orientation a, the
crack orientation B, the orientation y of the two considered circular notches and the effect of mechanical properties. Our results show clearly that both notches orientation has more effect on G than the cracks and fibers orientations.
Key Words
cracks; rate of energy restitution; fibers orientations; finite element method and laminates
Address
Habib Achache and Benali Boutabout: Laboratory of Mechanical and Physical of Materials (LMPM), University Djillali Liabes of Sidi Bel Abbes, BP 89, Street Ben M\'Hidi, Sidi Bel Abbes, Algeria
Abdelouahab Benzerdjeb: University of Science and Technology Oran Mohammed Boudiaf (USTO), BP1505 El Menaouar, 31036 Oran, Algeria
Djamel Ouinas: Laboratory of Numerical and experimental modeling of mechanical phenomena, University of Mostaganem, Route Belahcel 27000 Mostaganem, Algeria
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