Journal
ENGINEERING FRACTURE MECHANICS
Volume 78, Issue 1, Pages 71-84Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engfracmech.2010.10.008
Keywords
Boundary elements; Cohesive crack; Digital image correlation; Inverse analysis; Parameter identification
Categories
Funding
- FAPESP/CNRS
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A way of coupling digital image correlation (to measure displacement fields) and boundary element method (to compute displacements and tractions along a crack surface) is presented herein. It allows for the identification of Young's modulus and fracture parameters associated with a cohesive model. This procedure is illustrated to analyze the latter for an ordinary concrete in a three-point bend test on a notched beam. In view of measurement uncertainties, the results are deemed trustworthy thanks to the fact that numerous measurement points are accessible and used as entries to the identification procedure. (C) 2010 Elsevier Ltd. All rights reserved.
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