Time continuity in cohesive finite element modeling

@inproceedings{Papoulia2003TimeCI,
  title={Time continuity in cohesive finite element modeling},
  author={Katerina D. Papoulia and Chin-Hang Sam and Stephen A. Vavasis},
  year={2003}
}
We introduce the notion of time continuity for the analysis of cohesive zone interface finite element models. We focus on 'initially rigid' models in which an interface is inactive until the traction across it reaches a critical level. We argue that methods in this class are time discontinuous, unless special provision is made for the opposite. Time discontinuity leads to pitfalls in numerical implementations: oscillatory behavior, non-convergence in time and dependence on nonphysical… CONTINUE READING

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