Phase-field modeling of brittle fracture with multi-level hp-FEM and the finite cell method

@article{Nagaraja2018PhasefieldMO,
  title={Phase-field modeling of brittle fracture with multi-level hp-FEM and the finite cell method},
  author={S. Nagaraja and M. Elhaddad and M. Ambati and S. Kollmannsberger and L. Lorenzis and E. Rank},
  journal={Computational Mechanics},
  year={2018},
  volume={63},
  pages={1283-1300}
}
  • S. Nagaraja, M. Elhaddad, +3 authors E. Rank
  • Published 2018
  • Materials Science, Mathematics, Computer Science
  • Computational Mechanics
  • The difficulties in dealing with discontinuities related to a sharp crack are overcome in the phase-field approach for fracture by modeling the crack as a diffusive object being described by a continuous field having high gradients. The discrete crack limit case is approached for a small length-scale parameter that controls the width of the transition region between the fully broken and the undamaged phases. From a computational standpoint, this necessitates fine meshes, at least locally, in… CONTINUE READING
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