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Structural Engineering and Mechanics
  Volume 55, Number 1, July10 2015, pages 93-109

Numerical analysis of crack propagation in cement PMMA: application of SED approach
Benouis Ali, Boulenouar Abdelkader, Benseddiq Noureddine and Serier Boualem

    Finite element analysis (FEA) combined with the concepts of linear elastic fracture mechanics (LEFM) provides a practical and convenient means to study the fracture and crack growth of materials. In this paper, a numerical modeling of crack propagation in the cement mantle of the reconstructed acetabulum is presented. This work is based on the implementation of the displacement extrapolation method (DEM) and the strain energy density (SED) theory in a finite element code. At each crack increment length, the kinking angle is evaluated as a function of stress intensity factors (SIFs). In this paper, we analyzed the mechanical behavior of cracks initiated in the cement mantle by evaluating the SIFs. The effect of the defect on the crack propagation path was highlighted.
Key Words
    strain energy density; mixed mode; crack propagation; orthopedic cement
Benouis Ali and Serier Boualem: Mechanics and Physics of Materials Laboratory, Djillali Liabes University of Sidi Bel-Abbes, BP89 cite Larbi Ben M\'hidi, Sidi Bel-Abbes, Algeria
Boulenouar Abdelkader: Materials and Reactive Systems Laboratory, Mechanical Engineering Department, University of Sidi-Bel-Abbes, BP. 89, City Larbi Ben Mhidi, Sidi Bel Abbes 22000, Algeria
Benseddiq Noureddine: Mechanics Laboratory of Lille, CNRS UMR 8107, Ecole Polytech

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