| Issue |
EPJ Web of Conferences
Volume 6, 2010
ICEM 14 – 14th International Conference on Experimental Mechanics
|
|
|---|---|---|
| Article Number | 18002 | |
| Number of page(s) | 7 | |
| Section | Identification of Mechanical Constitutive Equations | |
| DOI | https://doi.org/10.1051/epjconf/20100618002 | |
| Published online | 10 June 2010 | |
https://doi.org/10.1051/epjconf/20100618002
Multiscale digital image identification of heterogeneous elastic properties of softwoods
LaMCoS, Université de Lyon / INSA Lyon / CNRS,
20 Avenue Albert
Einstein, 69
621
Villeurbanne,
France
a e-mail: julien.rethore@insa-lyon.fr
Multi-scale modelling of materials is now widely spread as it allows for a comprehensive analysis of their behaviour. The idea of this paper is to propose a methodology that couples Digital Images Correlation with multi-scale numerical simulations in order to identify a material behaviour that is too complex to obtain at the observation scale but that can be described in a simpler way at a finer scale. For this purpose, a Mechanical Image Correlation approach is proposed that involves a multi-scale numerical model. The capabilities of the proposed method is illustrated based on an example dedicated to the identification of heterogeneous orthotropic elastic properties of softwood.
© Owned by the authors, published by EDP Sciences, 2010
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