A method for coupling atoms to continuum mechanics for capturing dynamic crack propagation

Authors

  • Pascal Aubertin Laboratoire de Mécanique des Contacts et des Structures INSA de Lyon - CNRS UMR 5259 18-20, rue des Sciences, F-69621 Villeurbanne cedex
  • René de Borst Laboratoire de Mécanique des Contacts et des Structures INSA de Lyon - CNRS UMR 5259 18-20, rue des Sciences, F-69621 Villeurbanne cedex
  • Julien Réthoré Laboratoire de Mécanique des Contacts et des Structures INSA de Lyon - CNRS UMR 5259 18-20, rue des Sciences, F-69621 Villeurbanne cedex

DOI:

https://doi.org/10.13052/REMN.17.651-662

Keywords:

molecular dynamics, finite elements, energy coupling, crack propagation

Abstract

Conventionally, dynamic crack propagation is modelled using fracture mechanics (either linear elastic, or with an extension to confined plasticity). Herein, we propose a different view, based on a coupling between an atomic description at the crack tip and a classical continuum description away from it. The paper presents the theoretical background and some first numerical results.

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Published

2008-07-16

How to Cite

Aubertin, P. ., Borst, R. de, & Réthoré, J. . (2008). A method for coupling atoms to continuum mechanics for capturing dynamic crack propagation. European Journal of Computational Mechanics, 17(5-7), 651–662. https://doi.org/10.13052/REMN.17.651-662

Issue

2008: Vol 17 Iss 5-7

Section

Original Article